EP2269119A1 - Shock absorber device for the control member of a timepiece - Google Patents

Shock absorber device for the control member of a timepiece

Info

Publication number
EP2269119A1
EP2269119A1 EP08865980A EP08865980A EP2269119A1 EP 2269119 A1 EP2269119 A1 EP 2269119A1 EP 08865980 A EP08865980 A EP 08865980A EP 08865980 A EP08865980 A EP 08865980A EP 2269119 A1 EP2269119 A1 EP 2269119A1
Authority
EP
European Patent Office
Prior art keywords
timepiece
force
jumper
control
pusher
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08865980A
Other languages
German (de)
French (fr)
Other versions
EP2269119B1 (en
Inventor
Baptist Wyssbrod
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omega SA
Original Assignee
Omega SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Priority to EP08865980A priority Critical patent/EP2269119B1/en
Publication of EP2269119A1 publication Critical patent/EP2269119A1/en
Application granted granted Critical
Publication of EP2269119B1 publication Critical patent/EP2269119B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel

Definitions

  • Anti-shock device for a control member of a timepiece
  • the invention relates to an anti-shock device for a control member of a function of a timepiece and in particular such a device for preventing a shock on said member actuates its associated function.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by providing an anti-shock device belonging to the movement of the timepiece and which selectively protects each control member.
  • the invention relates to a timepiece comprising a housing in which are mounted systems for operating said workpiece and controlled by control members protruding from said housing at least one of the control members cooperating with an anti-shock device mounted in the housing and comprising a main part mounted movable relative to the housing, characterized in that the main part comprises a permanent mechanical connection with the part of each of the systems to which the said at least one control member is attached, which allows its decoupling of said at least one control member in a reversible manner when a force greater than a predetermined threshold is exerted on said at least one control member.
  • said at least one control member is mounted in translation
  • the main part is mounted in the housing in the same way as the part of each of the systems to which it is attached;
  • the sliding type connection comprises a jumper mounted elastically relative to an ankle
  • the timepiece comprises two push-type control members which control a chronograph mechanism type system, each of the pushers comprising a shockproof device for protecting the chronograph mechanism; - The timepiece further comprises a force equalization device connecting the two pushers to keep a difference in resistance to depression of said pushers substantially equivalent over time;
  • the force equalization device comprises a rocker for separating a jumper to allow the provision of a resistance force to substantially equivalent depression for the two pushers;
  • the jumper of the uniformization device and the jumper of one of the shockproof devices form a single piece in order to share the same fastening means;
  • the resistance force of the force equalization device is less than the predetermined threshold of effort required to disengage each shockproof device;
  • the decoupling force of the mechanical connection is substantially equal to 25 N to prevent damage to each of the systems.
  • FIG. 1 is a schematic representation of a timepiece according to the invention
  • FIG. 2 is a schematic representation centered on the chronograph mechanism according to the invention.
  • FIG. 3 is an overview of a chronograph mechanism in its inactive position
  • FIG. 4 is an overall view of the chronograph mechanism in its extreme position of actuation by the stop / start push-button
  • FIG. 5 is an overall view of the chronograph mechanism in its disengaged position when actuation by the stop / start pushbutton is excessive; - AT -
  • FIG. 6 is an overview of a chronograph mechanism in its active position
  • FIG. 7 is an overall view of the chronograph mechanism in its extreme position of actuation by the reset pushbutton
  • FIG. 8 is an overview of the chronograph mechanism in its disengaged position when the actuation by the reset pushbutton is excessive.
  • the invention relates to a timepiece 1 whose case 11 comprises a watch movement 3, a time-setting system 5, a chronograph mechanism 7 and a display system 9.
  • the watch movement 3 preferably of the mechanical type, is intended to move an indicating device 13 of the display system 9 which may, for example, comprise a dial equipped with a lathe hours and needles which, moving above the dial, are connected to the watch movement 3.
  • the latter can be adjusted through the time setting system 5 by manipulation, for example, a ring 15 protruding from the housing 1 1.
  • the watch movement 3 not doing not subject to protection according to the invention, it will not be of advantage explained below.
  • the chronograph mechanism 7, of the two-stroke type is intended to move a second indicator device 17 comprising at least one counter belonging to the display system 9.
  • the chronograph mechanism 7 is controlled by two control members 19, 21 and comprises, as can be seen in FIG. 2, a control system 23, a resetting device 25, a gear device 27, a clutch device 29, an immobilizing device 31, two shockproof devices 33, 35 and a force equalization device 37.
  • the control members 19 and 21 are push-buttons projecting from the housing 1 1. Only one of the push-buttons 19, 21 thus cooperates with the control system 23 in order to alternately actuate the stop and the departure. 17.
  • the first push-button 19 also makes it possible, when it triggers the start of the chronograph mechanism 7, to deactivate the reset device 25.
  • the second push-button 21 controls only the activation of the reset device. 25.
  • the control system 23 controls the clutch 29 and immobilizer 31 as shown in FIG. 2 by short broken lines.
  • the control system 23 controls the clutch device 29 so that, selectively, the gear device 27 is secured to a gear. wheel of the watch movement 3 to divert some of the driving force.
  • the control system 23 also controls the immobilizer 31 in order selectively to make the gear device 27 static so as to hold the indicator device 17 stationary and thus facilitate its reading when the stop command is actuated (c that is, the pusher 19).
  • the control system 23 also indirectly controls the resetting device 25 as illustrated in FIG. 2 by short broken lines. Indeed, it prevents the actuation of the reset device 25 when the chronograph mechanism 7 is in operation so that its actuation is feasible only when the chronograph mechanism 7 is stopped as explained below.
  • the clutch devices 29 and immobilization 31 not being protected according to the invention, they will not be explained further below. It is however specified that they can be of several types such as, for example, the friction type or blocking.
  • the resetting device 25 is intended to act on the gear device 27 to reset the indicating device 17. Thus, when the reset control (i.e. the pusher 21) is actuated, the reset device 25 is activated via the control system 23 as explained above. In addition, the reset device 25 is deactivated at the same time that the operation of the start command (i.e., the first pusher 19) is performed.
  • each pusher 19, 21 respectively comprises an anti-shock device 35, 33 intended to protect the chronograph mechanism 7 against violent shocks exerted on the pushers 19, 21.
  • Such impacts may, for example, be generated by the abutment of one of the pushers 19, 21 against the ground following the fall of the timepiece 1.
  • the acceleration of such a shock caused by the fall of a height of one meter, can indeed reach 5000 g.
  • the shock devices 35, 33 are explained in more detail below.
  • the chronograph mechanism 7 also comprises a force equalization device 37 for rendering reproducible over time the force to be exerted on each pusher 19, 21 in order to activate the appropriate functions.
  • a force equalization device 37 for rendering reproducible over time the force to be exerted on each pusher 19, 21 in order to activate the appropriate functions. Without necessarily being identical, said forces must thus vary substantially over time according to the same factor which may be less than or greater than 1.
  • the force equalization device 37 is explained in more detail below.
  • the control system 23, the shock resetting 25, shockproof 33, 35 and stress equalizing devices 37 will now be explained with reference to FIGS. 3 to 8.
  • the control system 23 comprises a control 41, a control hook 43 and a column wheel 45.
  • the essentially flat control 41 is rotatably mounted against a pivot 101 forming an axis A1.
  • a light 47 in which slides a pin 49 attached to the hook 43.
  • an anchor 51 fixed at the other end of the control 41.
  • a roller 53 is mounted loosely on the outer diameter of a portion of the pin 51.
  • the substantially plane control hook 43 is also rotatably mounted against the pivot 101 at one of its ends. By its tenon 49, mounted substantially perpendicularly, the control hook 43 is driven by the trigonometric or retrograde rotation of the control 41.
  • the useful part forming a hook 44 via a bend 42 adapted to orient substantially tangentially the useful hook portion 44 relative to the teeth of the column wheel 45.
  • the column wheel 45 is rotatably mounted against a pivot 103 forming the axis A2.
  • the column wheel 45 comprises a ratchet wheel 46 above which is mounted a crenellated wheel 48 whose crenellations are used as columns.
  • the hook 44 faces a tooth of the ratchet wheel 46.
  • the resetting device 25 comprises a hammer 61, a reset lever 63, a hammer rocker 65 and a hammer hammer 67.
  • the hammer 61 is intended to strike the peripheral wall of cores 55, 57, 59 integral with the gear device 27 to mechanically force the cores to return to the reset position of the indicator device 17.
  • the gear device 27 comprises three cores 55, 57 and 59 which which means that the indicator device 17 comprises three counters such as, for example, seconds, minutes and hours.
  • the hammer 61 according to the invention, comprises two arms 60 and 62 articulated with respect to each other in order to obtain a better distribution of the striking forces.
  • the first substantially L-shaped arm 60 comprises at the end of the vertical part a stop 58 intended to strike a first core 59. In the vicinity of this stop 58 is mounted a pin 64 which passes through the thickness of the first arm 60.
  • the lower part slidably engages in a slot 71 of the hammer rocker 65 and the top part slidably engages in another slot 100 provided in a piece above the chronograph mechanism 7.
  • the bottom part and the top part each comprise an idle roller mounted on their outer surface as for the pin 51.
  • the light 100 as visible in FIGS. 3 to 8, comprises an enlargement at its lower vertical end to give more freedom to the roller of the upper part of the post 64 when the latter sits there. This makes it particularly advantageous to allow the hammer 61 to be able to print a slight rotation capable of compensating for the slight time offsets of hammer strikes 61.
  • the end of the horizontal portion of the first arm 60 has a second pin 66 of the same type as the first 64, that is to say through completely through the first arm 60.
  • the bottom portion is rotatably mounted by relative to the second arm 62 and the top portion is slidably mounted in a slot 102 provided in a room above the chronograph mechanism 7.
  • the post 66 comprises coaxially with the part of the top a roller mounted crazy.
  • the second substantially wave-shaped arm 62 has two stops 54 and 56 respectively intended to strike each of the last two cores 55 and 57.
  • a finger 68 for sliding in the groove 69 of the first arm 60.
  • This configuration of the hammer 61 also allows a tolerance of movements during the reset phases which makes the hammer 61 adapted to compensate for the slight time differences between the strikes of each stop 54, 56, 58 against their associated core 55, 57, 59.
  • the hammer rocker 65 is intended to move the hammer 61 between its active position (that is to say when the stops 54, 56 and 58 are against the cores 55, 57 and 59 as in Figures 3, 5 and 7) and its inactive position (i.e. when the stops 54, 56 and 58 are remote from the cores 55, 57 and 59 as in FIGS. 4, 6 and 8).
  • the hammer rocker 65 is rotatably mounted against a pivot 105 forming an axis A3. It comprises an ankle 72 at one end and an arm 73 at the other end.
  • the pin 72 is fixedly mounted on the flank of the rocker 65 and is oriented substantially parallel to the pin 51 of the control 41.
  • the pin 72 is intended to come into contact with the hammer jumper 67.
  • the pin 72 also comprises a coaxial roller intended to reduce friction.
  • the arm 73 is substantially perpendicularly oriented relative to the end comprising the pin 72 by means of a bend 74.
  • the end of the arm 73 comprises the slot 71 intended to cooperate preferentially with the roller of the lower part of the post 64.
  • L the orientation of the arm 73 associated with the clearance allowed by the light 71 allows, in particular, during a rotation of the lever 65 along the axis A3, to optimize the thrust of the hammer 61 by orienting it substantially parallel to the lights 100 and 102.
  • the reset lever 63 is intended to move the hammer 61 from its inactive position (that is to say when the stops 54, 56 and 58 are moved away from the cores 55, 57 and 59 as in FIGS. 8) to its active position (that is to say when the stops 54, 56 and 58 are against the cores 55, 57 and 59 as in Figures 3, 5 and 7).
  • the reset lever 63 is rotatably mounted on the pivot 107 forming an axis A4. It is substantially W-shaped and comprises, at one of its ends, an arm 81 intended to come into contact preferentially with a second roller of the pin 66 in order to move the hammer 61.
  • the resetting lever 63 comprises substantially at its central end a finger 83 intended to limit its rotation according to the operating mode of the chronograph mechanism 7, that is to say according to whether it is in stop or start position.
  • the finger 83 is thus intended to cooperate with the castellated wheel 48 in order to mechanically limit the rotation of the reset lever 63 when the finger 83 faces one of the columns of the castellated wheel 48 (as illustrated in FIGS. 4 and 6) and allow said rotations when between two columns (as shown in Figures 3, 5, 7 and 8).
  • the hammer jumper 67 is of the bistable type, that is to say that it is capable of making the hammer 61 stable when it is in its active position and when it is in its inactive position.
  • one of the vertical parts 82 is very rigid and is intended to come into contact with the peg of the peg 72 of the flip-flop 65.
  • the vertical part 82 is thus elastically able to move away from approaching the other vertical part following the stresses of the pin 72 by rotation around the pivot 109 forming an axis A5.
  • the second vertical portion 85 is thinner than the first in order to provide the latter with the necessary elasticity.
  • the hammer jumper 67 is used to generate an opposing force during the upward movement M of the vertical portion 82, i.e. the force required by the ankle 72 to move the hammer rocker 65 when from the beginning of displacement.
  • the hammer jumper 67 is also used to generate a driving force during the elastic expansion, that is to say that the jumper 67 provides sufficient force to recover its equilibrium position which is able to finish the movement of the peg 72 as explained below.
  • the hammer jumper 67 thus makes it possible to exert a force by its lateral face 88 (oriented substantially perpendicular to that exerted by the upper face 86 in the active position ) capable of counteracting the movement of the hammer 61 towards its active position.
  • the slopes of each useful face 86, 88 of the jumper 67 can be adapted according to the mechanism on which they are applied by increasing and / or decreasing and / or making them more or less straight.
  • the timepiece 1 comprises shockproof devices 33 and 35 able to disengage control members of their associated mechanism when a force exerted is greater than a predetermined force.
  • the pushers 19 and 21 serve to explain the operation of anti-shock devices according to the invention.
  • the presentation can not be limited to these embodiments alone.
  • such devices could also be provided to secure another control member such as, for example, the crown 15 controlling the time setting device 5 of the timepiece 1.
  • the shockproof device 33 is intended to protect the chronograph mechanism 7 against inadvertent actuation of the reset lever 63. It is rotatably mounted along the same axis A4 as the reset lever 63.
  • the shockproof device 33 comprises a set finger 92 - groove 94 and a main part 91 substantially C-shaped, one end has a striking zone 93 and the other end
  • the piece 91 is intended to act as an intermediate piece between the pusher 21 and the reset lever 63 so as to be able to uncouple them.
  • the striking zone 93 comprises a puddle substantially perpendicular to the main plane of the part 91 and faces the rear of the pusher 21. It is intended to come into contact with the pusher 21 in order to transmit its force to the workpiece 91.
  • the finger assembly 92-groove 94 is intended to limit the relative movements between the reset lever 63 and the main part 91.
  • the finger 92 is secured to the part 91 and the groove 94 of the reset lever 63.
  • the finger 92 is also mounted in an upper hole 87, substantially mounted in the same plane as the lights 100 and 102, in order to limit its overall displacement.
  • the anti-shock device 33 comprises a set of pins 96 - jumper 95.
  • Such an assembly according to the configuration of the invention is intended to mechanically detect the forces transmitted successively by the pusher 21, the strike zone 93, the piece 91 as too intense, ie detect when the transmitted force may deteriorate the chronograph mechanism 7.
  • the mechanical connection between the pin 96 and the notch of the jumper 95 is adapted to decouple, preferably, when a force greater than 25 N is transmitted to it by the pusher 21.
  • a force greater than 25 N is transmitted to it by the pusher 21.
  • the reset lever 63 is actuated at the same time as the main piece 91.
  • the 96-jumper assembly 95 is selected because, in the normal position, it does not exert any constraint on the chronograph mechanism 7 which allows him to solicit at least.
  • the decoupling force is very easy to configure because it depends mainly on the geometry of the notch relative to the rest of the jumper 95 which makes the decoupling force very reproducible. It can of course, be considered other links depending on the intended application.
  • the pin 96 is mounted on the end of the reset lever 63, opposite that comprising the arm 81, and the jumper 95 is arranged on the end of the part 91 opposite to that including the strike zone 93.
  • the 96-jumper assembly 95 is obviously possible.
  • the other anti-shock device 35 is intended to protect the chronograph mechanism 7 against inadvertent actuation of the control 41. It is rotatably mounted along the same axis A1 as the control 41.
  • the anti-shock device 35 comprises a finger assembly 12 - groove 1 14 and a main part 1 1 1 substantially shaped circular arc whose one end has a striking zone 1 13 and the other end comprises a set peg 1 16 - jumper 1 15.
  • the piece 1 1 1 is intended to serve as an intermediate piece between the pusher 19 and the control 41 in order to decouple them.
  • the striking zone 1 13 comprises a flange substantially perpendicular to the main plane of the part 1 1 1 and faces the rear of the pusher 19. It is intended to come into contact with the pusher 19 in order to transmit its force to it. 1 1 1.
  • the finger assembly 1 12 - 1 14 groove is intended to limit the relative movements between the control 41 and the main part 1 1 1.
  • the finger 1 12 is secured to the part 1 1 1 and the groove 1 14, the control 41.
  • a reverse assembly is obviously possible.
  • the finger 1 12 is also mounted in an upper hole 89, substantially mounted in the same plane as the lights 100 and 102, in order to limit its overall displacement.
  • the anti-shock device 35 comprises an assembly peg 1 16 - jumper 1 15.
  • Such an assembly according to the configuration of the invention is intended to mechanically detect the forces transmitted successively by the pusher 19, the strike zone 1 13, the piece 1 1 1 as too intense, ie detect when the transmitted force may deteriorate the chronograph mechanism 7.
  • the pin 116 is mounted on the end, opposite that mounted on the axis A1, of the main part 1 1 1 substantially perpendicular.
  • the jumper 1 15 is mounted on the control 41.
  • the assembly is carried out by means of a flange (not shown so as not to weigh down the figures) which is connected to the control 41 by means of pins 1 17 and 1 18 so as to trap the jumper 1 15 between said flange and said control.
  • the mechanical connection between the peg 1 16 and the notch of the jumper 1 15 is adapted to decouple, preferably, when a force greater than 25 N is transmitted to it by the pusher 19.
  • the main parts 91 and 1 1 1 are of substantially equivalent thickness to that respectively of the reset lever 63 and the control 41.
  • the thickness of each of the main parts can thus be less than 0.5 mm.
  • the timepiece 1 comprises a force equalization device 37 between two of its control members.
  • the force equalization device 37 is intended to personalize the touch at the depression of the push-buttons 19 and 21 controlling the chronograph mechanism 7.
  • the device for standardization of Stress 37 can be envisaged between two other control members of the timepiece 1.
  • said customization consists in generating an antagonistic force during the depression of each pusher 19, 21 with the aid of FIG. one and the same device.
  • the force equalization device 37 comprises an intermediate lever 121, a jumper 123, a first finger 122 - throat assembly 120 and a second finger 126 - throat assembly 124.
  • the intermediate lever 121 is mounted substantially medially rotatably against the axis A1.
  • the intermediate lever 121 is intended to selectively transmit said counterforce to the dedicated kinematics of the pusher 19, 21 which is actuated as explained below.
  • the counterforce is induced by the relative displacement between the substantially pointed end 125 of the flip-flop 121 and the notch of the jumper 123 attached to the control 41.
  • the latch 121 uses the two finger-throat assemblies to respectively connect the control 41, that is to say a portion of the kinematic associated with the pusher 19, and the reset lever 63, that is to say a portion of the kinematic associated with the pusher 21.
  • the finger 122 is mounted on the same end of the latch 121 as the tip 125 substantially perpendicular and slides in the groove 120 arranged in the control 41.
  • the finger 126 is mounted on the other end, opposite at that of the tip 125, substantially perpendicular and slides in the groove 124 arranged in the reset lever 63.
  • the jumper 1 15 of the anti-shock device 35 and the jumper 123 of the force equalization device 37 share the same fastening means 1 17, 1 18 mounted on the control 41. They thus form a single piece 127 forming a double jumper.
  • the consecutive stack is at one end the flip-flop intermediate 121 then the control 41, the main part 1 1 1 and the control hook 43.
  • Figure 3 shows the chronograph mechanism 7 when inactive, i.e. when the indicator device 17 is not used. Note that the resetting device 25 is active, that is to say that the indicator device 17 is initialized, and that this position is made stable by preferentially contacting the roller of the peg 72 against the upper face 86 of the jumper 67.
  • the anti-shock devices 33 and 35 are in their normal position, that is, respectively coupled with the reset lever 63 and the control 41.
  • the force equalizing device 37 is in its position of equilibrium, that is to say that the tip 125 of the intermediate lever 121 sits in the notch of the jumper 123.
  • the column wheel 45 of the control system 23 is in its position allowing the activation of the reset device 25.
  • the user actuates the push stop / start 19 according to the arrow B visible in Figure 3.
  • the pusher 19 moves substantially in a translation B until the rear of the pusher 19 comes into contact with the striking zone 1 13 of the shockproof device 35.
  • the movement of the pusher 19 is transmitted to the main part 1 1 1 of the shockproof device 35 which then prints a rotation C around the A1 axis. If the speed of the movement B exerted on the pusher 19 induces a force on the jumper 1 15 - peg 1 16, preferably greater than 25 N, the shockproof device 35 goes into the disengaged position.
  • a flange 129 of the pusher 19 (visible in FIG. 5) abuts against the housing 1 1 of the timepiece 1, which more surely limits the stroke of the pusher 19.
  • alternative or complementary element it can also be provided a limit stop of the striking zone 1 13.
  • the shockproof device 35 remains in the normal position and, in a third phase, transmits to the command 41 his movement.
  • the control 41 is driven in the same retrograde rotation C around the axis A1.
  • the amplitude C rotation performed during the third phase allows, during the travel of the control 41, to move the hammer rocker 65 by the movement D of its pin 51 and, the control hook 43, the movement E of its light 47.
  • the pin 49 of the control hook 43 trapped in the slot 47, also causes the control hook 43 in rotation C retrograde about the axis A1.
  • the hook 44 is thus closer to the tooth of the ratchet wheel 46 which faces it by a substantially tangential movement F.
  • the hook 44 comes into contact with the ratchet wheel 46 and forces the column wheel 45 to print a trigonometric rotation G about the axis A2.
  • the column wheel 45 has rotated at an angle substantially equal to 30 degrees so that a column of the castellated wheel 48 face opposite with the finger 83 of the reset lever 63. This allows the control system 23 to change state by preventing, in particular, the activation of the reset device 25.
  • said change of state controls the activation of the clutch device 29, that is to say that the chronograph mechanism 7 is made integral with the watch movement 3 and the deactivation of the immobilizer 31, that is to say that the gear device 27 is not immobilized.
  • the column wheel 45 comprises a third gear, below the ratchet wheel 46, for controlling said devices.
  • the pin 51 comes into contact with the end of the hammer rocker 65 which faces it, said rocker being in stable position thanks to the contact of its ankle 72 against the upper face 86 of the jumper 67.
  • the force feedback on the pusher 19 felt by the user is generated mainly by the relative movement of the jumper 123, which is driven according to the movement J about the axis A1 by the control 41, relative to the tip 125 of the intermediate lever 121.
  • the thrust force on the pusher 19 must therefore counteract the conjugate antagonistic efforts exerted mainly by the spacing J of the jumper 123 relative to the tip 125 and the spacing M of the vertical portion 82 of the jumper 67 to the ankle 72.
  • the second time is initiated. It corresponds to the moment when, preferably, the roller of the peg 72 of the rocker 65 exceeds the common edge between the upper face 86 and the lateral face 88 of the vertical part 82 of the jumper 67. Indeed, at this moment, the movement B of the pusher 19 no longer requires the jumper 67 to move away according to the movement M but on the contrary allows the jumper 67 tends to return to the equilibrium position.
  • the hammer rocker 65 is no longer displaced by the force exerted on the pusher 19 but substantially by the force exerted by the trigger trigonometric rotation of the vertical portion 82 of the jumper 67 around the axis A5.
  • the end of the movement (H, K, L) of the resetting device 25 is then "automatically" performed.
  • the chronograph mechanism 7 is activated, that is to say that the indicator device 17 begins to visualize the elapsed time. Nevertheless, at any time, if the force exerted on the pusher 19 induces a force on the jumper 1 15 - peg 1 16 which exceeds substantially 25 N, the control 41 is no longer driven by the shockproof device 35.
  • the chronograph mechanism 7 is therefore activated, that is to say that the indicator device 17 continues to measure the elapsed time, the reset device 25 is in its stable inactive position, the force equalization device 37 is in its equilibrium position and the kinematics connected to the pushers 19 and 21 in their rest position.
  • the clutch device 29 is activated and the immobilizer 31 deactivated.
  • the shockproof device 35 goes into the disengaged position and does not cause the control 41. If the support on the pusher 19 is less than the predetermined force, the kinematics, explained above, causes the control hook 43 according to the tangential movement F able to print a trigonometric rotation G, at a substantially angle of 30 degrees at the column wheel 45.
  • control system 23 returns to a state substantially symmetrical to that of FIG. 3, which implies that it allows the activation of the resetting device 25 (the finger 83 of the reset lever 63) again. again faces a space between two columns of the crenellated wheel 48).
  • This state also deactivates the clutch device 29 (that is, disengages the chronograph mechanism 7 from the watch movement 3) and activates the immobilizer 31 (that is, makes the device static).
  • gear device 27 for example by means of said third wheel of the column wheel 45 as explained above.
  • the user can then comfortably read, by the indicating device 17 (made immobile) of the display system 9, the elapsed time that he wished to measure.
  • the pusher 21 moves substantially according to a N translation until that the rear of the pusher 21 comes into contact with the striking zone 93 of the shockproof device 33.
  • the movement of the pusher 21 is transmitted to the main part 91 of the shockproof device 33 which then prints a retrograde rotation P around from the A4 axis. If the speed of the movement N exerted on the pusher 21 induces a force on the jumper 95 - pin 96, preferably greater than 25N, the shockproof device 33 goes into the disengaged position.
  • the pusher 21 (visible in Figure 8) abuts against the housing 1 1 of the timepiece 1 which limits more securely the stroke of the pusher 21.
  • it can also be provided a limit stop of the strike zone 93.
  • the shockproof device 33 remains in the normal position and, in a third step, transmits to the delivery lever at zero 63 his movement.
  • the resetting lever 63 is driven in the same retrograde rotation P around the axis A4 and, incidentally, its finger 83 and its arm 81.
  • the arm 81 by its movement O substantially oriented towards the cores 55, 57 and 59, comes into contact with the second roller of the post 66 and begins to train.
  • the movement O of the arm 81 of the reset lever 63 is successively translated by the movements L '(substantially opposite to L explained above) of the tenon 66, K' of the tenon 64 (substantially inverse to K explained above) and H 'of the hammer rocker 65 (substantially reverse to H explained above).
  • the hammer rocker 65 being in a stable position by contact of the roller of its pin 72 against the lateral face 88 of the jumper 67, it exerts a counter-force to the movement O.
  • the force return on the pusher 21 felt by the user is generated mainly by the relative movement of the tip 125 of the intermediate lever 121 , which is driven according to the movement R about the axis A1 by the resetting lever 63 by means of the finger assembly 126 - groove 124, relative to the jumper 123.
  • the thrust force on the pusher 21 must therefore counteract the conjugate antagonistic efforts exerted mainly by the spacing J of the jumper 123 with respect to the tip 125 and the spacing M of the vertical portion 82 of the jumper 67 with respect to the ankle 72.
  • the fifth step is initiated. It corresponds to the moment when the roller of the peg 72 of the rocker 65 exceeds the common edge between the upper face 86 and the lateral face 88 of the vertical part 82 of the jumper 67. Indeed, at this moment, the movement N of the pusher 21 no longer requires the jumper 67 to move away according to the movement M but on the contrary allows that the jumper 67 tends to return to the equilibrium position.
  • the hammer rocker 65 is no longer displaced by the force exerted on the pusher 21 but substantially by the force exerted by the rotation. trigonometric relaxation of the vertical portion 82 of the jumper 67 about the axis A5. The end of the movement path (H ', K', L ') of the reset device 25 is then "automatically" performed.
  • the arm 81 of the reset lever 63 is no longer in contact with the second roller of the post 66 of the hammer 61 and the peg of the peg 72 of the hammer rocker 65 seat against the upper part 86 of the jumper 67.
  • the movement of the rocker 65 has driven directly the pin 64 of the hammer 61 according to the translation K 'in the light 100 and, indirectly, the second pin 66 of the hammer 61 according to the translation L 'in the light 102 so that the hammer 61 has come into contact with the cores 55, 57 and 59.
  • the resetting device 25 is therefore activated again.
  • the double-arm configuration 60, 62 of the hammer 61 as explained above makes it possible to improve the balancing of the striking forces of the cores 55, 57, 59 by the stops 54, 56, 58 of the hammer 61. Moreover, advantageously the striking forces are no longer dependent on the force exerted on the pusher 21 but on the relaxation force of the jumper 67.
  • the shockproof devices 33 and 35 thus protect the chronograph mechanism 7 against the violent actuations of the pushers 19 and 21.
  • the devices 33 and 35 protect the chronograph mechanism 7 also in the case where the two pushers 1 19 and 21 are actuated at the same time. Indeed, one 19 will tend to make inactive the reset system 25 and the other 21, tend to make active the same system. Thanks to the devices 33 and 35, as soon as at least one of the links 1 16 - 1 15 and 95 - 96 reaches its predetermined stress threshold, preferably equal to 25 N, it disengages and leaves the other control of the reset device 25. Similarly, the castellated wheel 48 of the column wheel 45 is not likely to be damaged by a violent support the finger 63 of the reset lever 63. It can also be seen in FIG. 7 that the force equalization device 37 is in its position farthest away from that of equilibrium visible in FIG. see in particular that the relative displacement of the tip 125 of the intermediate lever 121 relative to the jumper 123 has been entirely achieved by the displacement of the intermediate lever 121. This is made possible by the movement of its finger 122 in the groove 120 arranged on the command 41.
  • a simple release of the pusher 21 will mechanically release the stress between the tip 125 of the intermediate lever 121 and the jumper 123.
  • the effort equalization device 37 then tends to return to its equilibrium position and causes its displacement.
  • the chronograph mechanism 7 is thus found again in its configuration of FIG. 3.
  • the chronograph mechanism 7 is therefore inactive, the resetting device 25 is in its stable active position, the force equalization device 37 is in its equilibrium position and the kinematics connected to the pushers 19 and 21 in their rest position.
  • the disengagement force of the jumper assemblies 1 15/95 - peg 1 16/96 of the shockproof device 35/33 is greater than that of the assembly point 125 - jumper 123 which is, itself, greater than that of the sets peg 72 - 86/88 faces of the jumper 67.
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • the mounting of the light assemblies 47 - pin 49 and / or finger 68/122/126 - groove 69/120/124 can be reversed without the operation of the timepiece 1 is affected. This is of course valid for other sets of sets of the timepiece.
  • the movements B, N actuating the pushers 19, 21 can not be limited to a translation, any movement and / or control member other than a pusher can be envisaged.
  • rollers can not be limited to the example of the figures as explained above but any timepiece may comprise less or more and / or different configuration (diameter of the axis on which it is mounted, thickness of the roller, etc.).
  • a jumper which cooperates with one of its teeth.
  • the initiation of the second time can be performed before or after two-thirds of the stroke of the control 41.
  • the initiation of the second time can be performed before or after two-thirds of the stroke of the lever 63.
  • a cam can be arranged on the end of the hammer rocker 65 which comes into contact with the roller of the peg 51 in order to modify the evolution and the intensity of the force required for pivoting. of said hammer rocker by the control 41.

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  • Electric Clocks (AREA)

Abstract

The timepiece has a case (11) in which components such as clock movement (3), time setting system, chronograph mechanism (7) and display system (9), are mounted. The movement is adjusted using the system by manipulation of a crown projecting from the case. The mechanism is controlled by two push buttons (19, 21). The buttons respectively have anti-impact devices (33, 35) that are mounted in the case. The anti-impact devices decouple the buttons and the crown from the components of the case when a force greater than a preset threshold is exerted on the buttons and the crown.

Description

Dispositif antichoc pour un organe de commande d'une pièce d'horlogerie Anti-shock device for a control member of a timepiece
DOMAINE DE L'INVENTIONFIELD OF THE INVENTION
L'invention se rapporte à un dispositif antichoc pour un organe de commande d'une fonction d'une pièce d'horlogerie et notamment un tel dispositif permettant d'éviter qu'un choc sur ledit organe actionne sa fonction associée.The invention relates to an anti-shock device for a control member of a function of a timepiece and in particular such a device for preventing a shock on said member actuates its associated function.
ARRIERE PLAN DE L'INVENTION Dans le cas notamment d'un mécanisme de chronographe, il est connu qu'une force trop grande exercée sur un organe de commande tel qu'un poussoir peut solliciter trop violemment les fonctions qui lui sont associées. Ainsi, par exemple, sur une couronne ou un poussoir associé à l'activation d'un chronographe, il peut arriver que la violence de l'effort transmis au mécanisme du chronographe l'endommage ce qui peut rendre obligatoire le changement de pièces.BACKGROUND OF THE INVENTION Especially in the case of a chronograph mechanism, it is known that too great a force exerted on a control member such as a pusher can too violently urge the functions associated with it. Thus, for example, on a crown or pusher associated with the activation of a chronograph, it can happen that the violence of the force transmitted to the mechanism of the chronograph damages it which can make the change of parts obligatory.
Pour éviter de tels problèmes, il est connu de protéger les poussoirs ou les couronnes en utilisant des épaulements pour les border ou même en utilisant un cadre, fixe ou amovible, qui les entoure totalement ou partiellement. Cela évite qu'un choc déplace accidentellement les poussoirs ou les couronnes afin de préserver le mécanisme. Cependant, le boîtier de la pièce d'horlogerie devient alors complexe et beaucoup plus encombrant. Incidemment, il peut devenir également peu esthétique ce qui est contraire à ce qui est recherché pour des pièces d'horlogerie de milieu ou de haut de gamme. RESUME DE L'INVENTIONTo avoid such problems, it is known to protect the pushers or crowns using shoulders to border or even using a frame, fixed or removable, which surrounds them totally or partially. This prevents a shock accidentally moving the pushers or crowns to preserve the mechanism. However, the case of the timepiece becomes complex and much more cumbersome. Incidentally, it can also become unattractive which is contrary to what is sought for mid or high-end timepieces. SUMMARY OF THE INVENTION
Le but de la présente invention est de pallier tout ou partie les inconvénients cités précédemment en proposant un dispositif antichoc appartenant au mouvement de la pièce d'horlogerie et qui protège sélectivement chaque organe de commande.The object of the present invention is to overcome all or part of the disadvantages mentioned above by providing an anti-shock device belonging to the movement of the timepiece and which selectively protects each control member.
A cet effet, l'invention se rapporte à une pièce d'horlogerie comportant un boîtier dans lequel sont montés des systèmes destinés à faire fonctionner ladite pièce et contrôlés par des organes de commande faisant saillis dudit boîtier au moins un des organes de commande coopérant avec un dispositif antichoc monté dans le boîtier et comportant une pièce principale montée mobile par rapport au boîtier caractérisée en ce que la pièce principale comprend une liaison mécanique permanente avec la partie dudit chacun des systèmes auxquels ledit au moins un organe de commande est rattaché, qui autorise son découplage dudit au moins un organe de commande de manière réversible lorsqu'un effort supérieur à un seuil prédéterminé est exercé sur ledit au moins un organe de commande.For this purpose, the invention relates to a timepiece comprising a housing in which are mounted systems for operating said workpiece and controlled by control members protruding from said housing at least one of the control members cooperating with an anti-shock device mounted in the housing and comprising a main part mounted movable relative to the housing, characterized in that the main part comprises a permanent mechanical connection with the part of each of the systems to which the said at least one control member is attached, which allows its decoupling of said at least one control member in a reversible manner when a force greater than a predetermined threshold is exerted on said at least one control member.
Conformément à d'autres caractéristiques avantageuses de l'invention : - ledit au moins un organe de commande est monté à translation ;According to other advantageous features of the invention: said at least one control member is mounted in translation;
- la pièce principale est montée dans le boîtier de la même manière que la partie dudit chacun des systèmes auxquels il est rattaché ;the main part is mounted in the housing in the same way as the part of each of the systems to which it is attached;
- ladite liaison mécanique qui est du type à glissement ;said mechanical link which is of the sliding type;
- la liaison du type à glissement comporte un sautoir monté élastiquement par rapport à une cheville ;- The sliding type connection comprises a jumper mounted elastically relative to an ankle;
- la pièce d'horlogerie comporte deux organes de commande du type poussoir qui contrôlent un système du type mécanisme de chronographe, chacun des poussoirs comportant un dispositif antichoc permettant de protéger le mécanisme de chronographe ; - la pièce d'horlogerie comporte en outre un dispositif d'uniformisation d'efforts reliant les deux poussoirs afin de garder une différence de résistance à l'enfoncement desdits poussoirs sensiblement équivalente au cours du temps ;- The timepiece comprises two push-type control members which control a chronograph mechanism type system, each of the pushers comprising a shockproof device for protecting the chronograph mechanism; - The timepiece further comprises a force equalization device connecting the two pushers to keep a difference in resistance to depression of said pushers substantially equivalent over time;
- le dispositif d'uniformisation d'efforts comporte une bascule destinée à écarter un sautoir afin de permettre la fourniture d'une force de résistance à l'enfoncement sensiblement équivalente pour les deux poussoirs ;- The force equalization device comprises a rocker for separating a jumper to allow the provision of a resistance force to substantially equivalent depression for the two pushers;
- le sautoir du dispositif d'uniformisation et le sautoir d'un des dispositifs antichoc forment une même pièce afin de partager les mêmes moyens de fixation ; - la force de résistance du dispositif d'uniformisation d'efforts est inférieure audit seuil prédéterminé d'effort nécessaire pour débrayer chaque dispositif antichoc ;the jumper of the uniformization device and the jumper of one of the shockproof devices form a single piece in order to share the same fastening means; the resistance force of the force equalization device is less than the predetermined threshold of effort required to disengage each shockproof device;
- la force de découplage de la liaison mécanique est sensiblement égale à 25 N afin d'éviter toute détérioration dudit chacun des systèmes.- The decoupling force of the mechanical connection is substantially equal to 25 N to prevent damage to each of the systems.
DESCRIPTION SOMMAIRE DES DESSINSSUMMARY DESCRIPTION OF THE DRAWINGS
D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels : - la figure 1 est une représentation schématique d'une pièce d'horlogerie selon l'invention ;Other features and advantages will emerge clearly from the description which is given below, for information only and in no way limitative, with reference to the accompanying drawings, in which: - Figure 1 is a schematic representation of a timepiece according to the invention;
- la figure 2 est une représentation schématique centrée sur le mécanisme de chronographe selon l'invention ;FIG. 2 is a schematic representation centered on the chronograph mechanism according to the invention;
- la figure 3 est une vue d'ensemble d'un mécanisme de chronographe dans sa position inactive ;- Figure 3 is an overview of a chronograph mechanism in its inactive position;
- la figure 4 est une vue d'ensemble du mécanisme de chronographe dans sa position extrême d'actionnement par le poussoir arrêt/départ ;FIG. 4 is an overall view of the chronograph mechanism in its extreme position of actuation by the stop / start push-button;
- la figure 5 est une vue d'ensemble du mécanisme de chronographe dans sa position débrayée lorsque l'actionnement par le poussoir arrêt/départ est excessif ; - A -FIG. 5 is an overall view of the chronograph mechanism in its disengaged position when actuation by the stop / start pushbutton is excessive; - AT -
- la figure 6 est une vue d'ensemble d'un mécanisme de chronographe dans sa position active ;FIG. 6 is an overview of a chronograph mechanism in its active position;
- la figure 7 est une vue d'ensemble du mécanisme de chronographe dans sa position extrême d'actionnement par le poussoir de remise à zéro ;FIG. 7 is an overall view of the chronograph mechanism in its extreme position of actuation by the reset pushbutton;
- la figure 8 est une vue d'ensemble du mécanisme de chronographe dans sa position débrayée lorsque l'actionnement par le poussoir de remise à zéro est excessif.- Figure 8 is an overview of the chronograph mechanism in its disengaged position when the actuation by the reset pushbutton is excessive.
DESCRIPTION DETAILLEE DES MODES DE REALISATION PREFERES Comme illustré à la figure 1 , l'invention concerne une pièce d'horlogerie 1 dont le boîtier 1 1 comporte un mouvement horloger 3, un système de mise à l'heure 5, un mécanisme de chronographe 7 et un système d'affichage 9.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As illustrated in FIG. 1, the invention relates to a timepiece 1 whose case 11 comprises a watch movement 3, a time-setting system 5, a chronograph mechanism 7 and a display system 9.
Le mouvement horloger 3, préférentiellement du type mécanique, est destiné à mouvoir un dispositif indicateur 13 du système d'affichage 9 qui peut, par exemple, comporter un cadran muni d'un tour d'heures et des aiguilles qui, se déplaçant au-dessus du cadran, sont reliées au mouvement horloger 3. Ce dernier peut être réglé grâce au système de remise à l'heure 5 par manipulation, par exemple, d'une couronne 15 faisant saillie du boîtier 1 1. Le mouvement horloger 3 ne faisant pas l'objet d'une protection selon l'invention, il ne sera pas d'avantage expliqué ci- après.The watch movement 3, preferably of the mechanical type, is intended to move an indicating device 13 of the display system 9 which may, for example, comprise a dial equipped with a lathe hours and needles which, moving above the dial, are connected to the watch movement 3. The latter can be adjusted through the time setting system 5 by manipulation, for example, a ring 15 protruding from the housing 1 1. The watch movement 3 not doing not subject to protection according to the invention, it will not be of advantage explained below.
Le mécanisme de chronographe 7, du type à deux temps, est destiné à mouvoir un deuxième dispositif indicateur 17 comportant au moins un compteur appartenant au système d'affichage 9. Le mécanisme de chronographe 7 est contrôlé par deux organes de commande 19, 21 et comporte, comme visible à la figure 2, un système de commande 23, un dispositif de remise à zéro 25, un dispositif de rouages 27, un dispositif d'embrayage 29, un dispositif d'immobilisation 31 , deux dispositifs antichoc 33, 35 et un dispositif d'uniformisation d'efforts 37. Préférentiellement selon l'invention, les organes de commande 19 et 21 sont des poussoirs faisant saillis du boîtier 1 1. Seul un 19 des poussoirs 19, 21 coopère ainsi avec le système de commande 23 afin d'actionner alternativement l'arrêt et le départ du dispositif indicateur 17. Le premier poussoir 19 permet également, lorsqu'il déclenche le départ du mécanisme de chronographe 7, de désactiver le dispositif de remise à zéro 25. Le deuxième poussoir 21 commande lui uniquement l'activation du dispositif de remise à zéro 25.The chronograph mechanism 7, of the two-stroke type, is intended to move a second indicator device 17 comprising at least one counter belonging to the display system 9. The chronograph mechanism 7 is controlled by two control members 19, 21 and comprises, as can be seen in FIG. 2, a control system 23, a resetting device 25, a gear device 27, a clutch device 29, an immobilizing device 31, two shockproof devices 33, 35 and a force equalization device 37. Preferably, according to the invention, the control members 19 and 21 are push-buttons projecting from the housing 1 1. Only one of the push-buttons 19, 21 thus cooperates with the control system 23 in order to alternately actuate the stop and the departure. 17. The first push-button 19 also makes it possible, when it triggers the start of the chronograph mechanism 7, to deactivate the reset device 25. The second push-button 21 controls only the activation of the reset device. 25.
Le système de commande 23 contrôle les dispositifs d'embrayage 29 et d'immobilisation 31 comme illustré à la figure 2 par des traits interrompus courts. Lors de l'actionnement de la commande de départ (c'est-à-dire le premier poussoir 19), le système de commande 23 contrôle le dispositif d'embrayage 29 afin que, sélectivement, le dispositif de rouages 27 se solidarise avec une roue du mouvement horloger 3 pour en détourner une partie de la force d'entraînement. Le système de commande 23 contrôle également le dispositif d'immobilisation 31 afin de, sélectivement, rendre statique le dispositif de rouages 27 pour maintenir le dispositif indicateur 17 immobile et ainsi faciliter sa lecture lors de l'actionnement de la commande d'arrêt (c'est-à-dire le poussoir 19). Le système de commande 23 contrôle également indirectement le dispositif de remise à zéro 25 comme illustré à la figure 2 par des traits interrompus courts. En effet, il empêche l'actionnement du dispositif de remise à zéro 25 lorsque le mécanisme de chronographe 7 est en fonctionnement afin que son actionnement soit réalisable uniquement lorsque le mécanisme de chronographe 7 est arrêté comme expliqué ci- dessous.The control system 23 controls the clutch 29 and immobilizer 31 as shown in FIG. 2 by short broken lines. Upon actuation of the start command (i.e., the first pusher 19), the control system 23 controls the clutch device 29 so that, selectively, the gear device 27 is secured to a gear. wheel of the watch movement 3 to divert some of the driving force. The control system 23 also controls the immobilizer 31 in order selectively to make the gear device 27 static so as to hold the indicator device 17 stationary and thus facilitate its reading when the stop command is actuated (c that is, the pusher 19). The control system 23 also indirectly controls the resetting device 25 as illustrated in FIG. 2 by short broken lines. Indeed, it prevents the actuation of the reset device 25 when the chronograph mechanism 7 is in operation so that its actuation is feasible only when the chronograph mechanism 7 is stopped as explained below.
Les dispositifs d'embrayage 29 et d'immobilisation 31 ne faisant pas l'objet d'une protection selon l'invention, ils ne seront pas d'avantage expliqués ci-après. Il est cependant précisé qu'ils peuvent être de plusieurs types comme, par exemple, du type à friction ou à blocage. Le dispositif de remise à zéro 25 est destiné à agir sur le dispositif de rouages 27 afin de réinitialiser le dispositif indicateur 17. Ainsi, lorsque la commande de remise à zéro (c'est-à-dire le poussoir 21 ) est actionnée, le dispositif de remise à zéro 25 est activé via le système de commande 23 comme expliqué ci-dessus. De plus, le dispositif de remise à zéro 25 est désactivé en même temps que l'actionnement de la commande de départ (c'est-à-dire le premier poussoir 19) est effectué.The clutch devices 29 and immobilization 31 not being protected according to the invention, they will not be explained further below. It is however specified that they can be of several types such as, for example, the friction type or blocking. The resetting device 25 is intended to act on the gear device 27 to reset the indicating device 17. Thus, when the reset control (i.e. the pusher 21) is actuated, the reset device 25 is activated via the control system 23 as explained above. In addition, the reset device 25 is deactivated at the same time that the operation of the start command (i.e., the first pusher 19) is performed.
Préférentiellement selon l'invention, chaque poussoir 19, 21 comporte respectivement un dispositif antichoc 35, 33 destiné à protéger le mécanisme de chronographe 7 contre des chocs violents exercés sur les poussoirs 19, 21. De tels chocs peuvent, par exemple, être engendrés par la butée d'un des poussoirs 19, 21 contre le sol suite à la chute de la pièce d'horlogerie 1. A titre d'exemple, l'accélération d'un tel choc, engendrée par la chute d'une hauteur d'un mètre, peut en effet atteindre 5000 g. Les dispositifs antichoc 35, 33 sont expliqués plus en détail ci-après.Preferably according to the invention, each pusher 19, 21 respectively comprises an anti-shock device 35, 33 intended to protect the chronograph mechanism 7 against violent shocks exerted on the pushers 19, 21. Such impacts may, for example, be generated by the abutment of one of the pushers 19, 21 against the ground following the fall of the timepiece 1. For example, the acceleration of such a shock, caused by the fall of a height of one meter, can indeed reach 5000 g. The shock devices 35, 33 are explained in more detail below.
De manière préférée, le mécanisme de chronographe 7 comporte également un dispositif d'uniformisation d'efforts 37 destiné à rendre reproductible au cours du temps la force à exercer sur chaque poussoir 19, 21 afin d'activer les fonctions idoines. Sans être obligatoirement identiques, lesdites forces doivent ainsi sensiblement varier au cours du temps selon le même facteur qui peut être inférieur ou supérieur à 1. Le dispositif d'uniformisation d'efforts 37 est expliqué plus en détail ci-après.Preferably, the chronograph mechanism 7 also comprises a force equalization device 37 for rendering reproducible over time the force to be exerted on each pusher 19, 21 in order to activate the appropriate functions. Without necessarily being identical, said forces must thus vary substantially over time according to the same factor which may be less than or greater than 1. The force equalization device 37 is explained in more detail below.
Le système de commande 23, les dispositifs de remise à zéro 25, antichoc 33, 35 et d'uniformisation d'effort 37 vont maintenant être expliquées en référence aux figures 3 à 8.The control system 23, the shock resetting 25, shockproof 33, 35 and stress equalizing devices 37 will now be explained with reference to FIGS. 3 to 8.
Le système de commande 23 comporte une commande 41 , un crochet de commande 43 et une roue à colonnes 45. La commande 41 essentiellement plane est montée à rotation contre un pivot 101 formant un axe A1. A une des extrémités de la commande 41 , proche du pivot 101 , est aménagée une lumière 47 dans laquelle glisse un tenon 49 fixé au crochet de commande 43. Comme visible à la figure 3, à l'autre extrémité de la commande 41 est montée sensiblement perpendiculairement une cheville 51 fixe. Préférentiellement, un galet 53 est monté fou sur le diamètre extérieur d'une partie de la cheville 51. Le crochet de commande 43 sensiblement plan est également monté à rotation contre le pivot 101 à une des ses extrémités. Par son tenon 49, monté sensiblement perpendiculairement, le crochet de commande 43 est entraîné par la rotation trigonométrique ou rétrograde de la commande 41. A l'autre extrémité du crochet de commande 43, est aménagée la partie utile formant crochet 44 par l'intermédiaire d'un coude 42 apte à orienter sensiblement tangentiellement la partie utile formant crochet 44 par rapport aux dentures de la roue à colonne 45.The control system 23 comprises a control 41, a control hook 43 and a column wheel 45. The essentially flat control 41 is rotatably mounted against a pivot 101 forming an axis A1. At one end of the control 41, near the pivot 101, is arranged a light 47 in which slides a pin 49 attached to the hook 43. As shown in Figure 3, at the other end of the control 41 is mounted substantially perpendicularly an anchor 51 fixed. Preferably, a roller 53 is mounted loosely on the outer diameter of a portion of the pin 51. The substantially plane control hook 43 is also rotatably mounted against the pivot 101 at one of its ends. By its tenon 49, mounted substantially perpendicularly, the control hook 43 is driven by the trigonometric or retrograde rotation of the control 41. At the other end of the control hook 43, is arranged the useful part forming a hook 44 via a bend 42 adapted to orient substantially tangentially the useful hook portion 44 relative to the teeth of the column wheel 45.
Comme visible à la figure 3, la roue à colonnes 45 est montée à rotation contre un pivot 103 formant l'axe A2. La roue à colonnes 45 comporte une roue à rochet 46 au-dessus de laquelle est montée une roue crénelée 48 dont les créneaux sont utilisés comme colonnes. Comme visible à la même figure, le crochet 44 fait face à une dent de la roue à rochet 46.As shown in Figure 3, the column wheel 45 is rotatably mounted against a pivot 103 forming the axis A2. The column wheel 45 comprises a ratchet wheel 46 above which is mounted a crenellated wheel 48 whose crenellations are used as columns. As seen in the same figure, the hook 44 faces a tooth of the ratchet wheel 46.
Le dispositif de remise à zéro 25 comporte un marteau 61 , un levier de remise à zéro 63, une bascule de marteau 65 et un sautoir de marteau 67. De manière habituelle, le marteau 61 est destiné à frapper la paroi périphérique de cœurs 55, 57, 59 solidaires du dispositif de rouages 27 afin de mécaniquement contraindre les cœurs à se remettre en position de réinitialisation du dispositif indicateur 17. Comme visible à la figure 3, préférentiellement, le dispositif de rouage 27 comporte trois cœurs 55, 57 et 59 ce qui signifie que le dispositif indicateur 17 comporte trois compteurs comme, par exemple, les secondes, les minutes et les heures. Préférentiellement, le marteau 61 , selon l'invention, comporte deux bras 60 et 62 articulés l'un par rapport à l'autre afin d'obtenir une meilleure répartition des efforts de frappe. Le premier bras 60 sensiblement en forme de L comporte à l'extrémité de la partie verticale une butée 58 destinée à frapper un premier cœur 59. A proximité de cette butée 58 est monté un tenon 64 qui traverse l'épaisseur du premier bras 60. Ainsi, la partie du dessous coopère à glissement dans une lumière 71 de la bascule de marteau 65 et la partie du dessus coopère à glissement dans une autre lumière 100 aménagée dans une pièce située au-dessus du mécanisme de chronographe 7.The resetting device 25 comprises a hammer 61, a reset lever 63, a hammer rocker 65 and a hammer hammer 67. Usually, the hammer 61 is intended to strike the peripheral wall of cores 55, 57, 59 integral with the gear device 27 to mechanically force the cores to return to the reset position of the indicator device 17. As shown in Figure 3, preferably, the gear device 27 comprises three cores 55, 57 and 59 which which means that the indicator device 17 comprises three counters such as, for example, seconds, minutes and hours. Preferably, the hammer 61, according to the invention, comprises two arms 60 and 62 articulated with respect to each other in order to obtain a better distribution of the striking forces. The first substantially L-shaped arm 60 comprises at the end of the vertical part a stop 58 intended to strike a first core 59. In the vicinity of this stop 58 is mounted a pin 64 which passes through the thickness of the first arm 60. Thus, the lower part slidably engages in a slot 71 of the hammer rocker 65 and the top part slidably engages in another slot 100 provided in a piece above the chronograph mechanism 7.
Préférentiellement afin de diminuer les frottements, la partie du dessous et la partie du dessus comportent chacune un galet monté fou sur leur surface externe comme pour la cheville 51. De plus, la lumière 100, comme visible aux figures 3 à 8, comporte un élargissement à son extrémité verticale inférieure afin de donner plus de liberté au galet de la partie du dessus du tenon 64 lorsque ce dernier y siège. Cela permet notamment de manière avantageuse d'autoriser le marteau 61 à pourvoir imprimer une légère rotation apte à compenser les légers décalages temporels des frappes du marteau 61.Preferably, in order to reduce friction, the bottom part and the top part each comprise an idle roller mounted on their outer surface as for the pin 51. In addition, the light 100, as visible in FIGS. 3 to 8, comprises an enlargement at its lower vertical end to give more freedom to the roller of the upper part of the post 64 when the latter sits there. This makes it particularly advantageous to allow the hammer 61 to be able to print a slight rotation capable of compensating for the slight time offsets of hammer strikes 61.
L'extrémité de la partie horizontale du premier bras 60 comporte un deuxième tenon 66 du même type que le premier 64, c'est-à-dire traversant de part en part le premier bras 60. La partie du dessous est montée à rotation par rapport au deuxième bras 62 et la partie du dessus est montée à glissement dans une lumière 102 aménagée dans une pièce située au- dessus du mécanisme de chronographe 7. De la même manière préférée que pour le tenon 64, le tenon 66 comporte coaxialement à la partie du dessus un galet monté fou. Le deuxième bras 62 sensiblement en forme de vague comporte deux butées 54 et 56 destinés respectivement à frapper chacun un des deux derniers cœurs 55 et 57. Afin de limiter l'amplitude des mouvements relatifs entre les premier 60 et deuxième 62 bras, il est prévu, sur le deuxième bras 62, un doigt 68 destiné à glisser dans la gorge 69 du premier bras 60. Cette configuration du marteau 61 autorise également une tolérance de mouvements lors des phases de remise à zéro qui rend le marteau 61 apte à compenser les légers décalages temporels entre les frappes de chaque butée 54, 56, 58 contre leur cœur associé 55, 57, 59.The end of the horizontal portion of the first arm 60 has a second pin 66 of the same type as the first 64, that is to say through completely through the first arm 60. The bottom portion is rotatably mounted by relative to the second arm 62 and the top portion is slidably mounted in a slot 102 provided in a room above the chronograph mechanism 7. In the same preferred manner as for the post 64, the post 66 comprises coaxially with the part of the top a roller mounted crazy. The second substantially wave-shaped arm 62 has two stops 54 and 56 respectively intended to strike each of the last two cores 55 and 57. In order to limit the amplitude of the relative movements between the first 60 and second arms 62, it is intended to on the second arm 62, a finger 68 for sliding in the groove 69 of the first arm 60. This configuration of the hammer 61 also allows a tolerance of movements during the reset phases which makes the hammer 61 adapted to compensate for the slight time differences between the strikes of each stop 54, 56, 58 against their associated core 55, 57, 59.
La bascule de marteau 65 est destinée à déplacer le marteau 61 entre sa position active (c'est-à-dire quand les butées 54, 56 et 58 sont contre les cœurs 55, 57 et 59 comme aux figures 3, 5 et 7) et sa position inactive (c'est-à-dire lorsque les butées 54, 56 et 58 sont éloignées des cœurs 55, 57 et 59 comme aux figures 4, 6 et 8). La bascule de marteau 65 est montée à rotation contre un pivot 105 formant un axe A3. Elle comporte une cheville 72 à une extrémité et un bras 73 à l'autre extrémité. La cheville 72 est montée fixe sur le flanc de la bascule 65 et est orientée sensiblement parallèlement à la cheville 51 de la commande 41. La cheville 72 est destinée à entrer en contact avec le sautoir de marteau 67. Préférentiellement, la cheville 72 comporte également un galet coaxial destiné à diminuer les frottements. Le bras 73 est sensiblement orienté perpendiculairement par rapport à l'extrémité comprenant la cheville 72 grâce à un coude 74. L'extrémité du bras 73 comporte la lumière 71 destinée à coopérer préférentiellement avec le galet de la partie du dessous du tenon 64. L'orientation du bras 73 associée au débattement autorisé par la lumière 71 permet, notamment, lors d'une rotation de la bascule 65 selon l'axe A3, d'optimiser la poussée du marteau 61 en l'orientant sensiblement parallèlement aux lumières 100 et 102.The hammer rocker 65 is intended to move the hammer 61 between its active position (that is to say when the stops 54, 56 and 58 are against the cores 55, 57 and 59 as in Figures 3, 5 and 7) and its inactive position (i.e. when the stops 54, 56 and 58 are remote from the cores 55, 57 and 59 as in FIGS. 4, 6 and 8). The hammer rocker 65 is rotatably mounted against a pivot 105 forming an axis A3. It comprises an ankle 72 at one end and an arm 73 at the other end. The pin 72 is fixedly mounted on the flank of the rocker 65 and is oriented substantially parallel to the pin 51 of the control 41. The pin 72 is intended to come into contact with the hammer jumper 67. Preferably, the pin 72 also comprises a coaxial roller intended to reduce friction. The arm 73 is substantially perpendicularly oriented relative to the end comprising the pin 72 by means of a bend 74. The end of the arm 73 comprises the slot 71 intended to cooperate preferentially with the roller of the lower part of the post 64. L the orientation of the arm 73 associated with the clearance allowed by the light 71 allows, in particular, during a rotation of the lever 65 along the axis A3, to optimize the thrust of the hammer 61 by orienting it substantially parallel to the lights 100 and 102.
Le levier de remise à zéro 63 est destiné à déplacer le marteau 61 de sa position inactive (c'est-à-dire quand les butées 54, 56 et 58 sont éloignées des cœurs 55, 57 et 59 comme aux figures 4, 6 et 8) vers sa position active (c'est-à-dire lorsque les butées 54, 56 et 58 sont contre les cœurs 55, 57 et 59 comme aux figures 3, 5 et 7). Le levier de remise à zéro 63 est monté à rotation sur le pivot 107 formant un axe A4. Il est sensiblement de forme en W et comporte, à une de ses extrémités, un bras 81 destiné à entrer en contact préférentiellement avec un deuxième galet du tenon 66 afin de déplacer le marteau 61. Préférentiellement, le levier de remise à zéro 63 comporte sensiblement au niveau de son extrémité médiane un doigt 83 destiné à limiter sa rotation en fonction du mode de fonctionnement du mécanisme de chronographe 7, c'est-à-dire suivant qu'il soit en position d'arrêt ou de départ. Le doigt 83 est ainsi destiné à coopérer avec la roue crénelée 48 afin de mécaniquement limiter la rotation du levier de remise à zéro 63 lorsque le doigt 83 fait face à une des colonnes de la roue crénelée 48 (comme illustré aux figures 4 et 6) et autoriser lesdites rotations lorsqu'il se trouve entre deux colonnes (comme illustré aux figures 3, 5, 7 et 8). Selon une caractéristique avantageuse de l'invention, le sautoir de marteau 67 est du type bistable, c'est-à-dire qu'il est capable de rendre stable le marteau 61 lorsqu'il est dans sa position active et lorsqu'il est dans sa position inactive. Il est de forme généralement en U dont une des parties verticales 82 est très rigide et est destinée à entrer en contact avec préférentiellement le galet de la cheville 72 de la bascule 65. La partie verticale 82 est ainsi capable élastiquement de s'éloigner ou de se rapprocher de l'autre partie verticale suivant les sollicitations de la cheville 72 par rotation autour du pivot 109 formant un axe A5. Préférentiellement, la deuxième partie verticale 85 est plus mince que la première afin d'offrir à cette dernière l'élasticité nécessaire.The reset lever 63 is intended to move the hammer 61 from its inactive position (that is to say when the stops 54, 56 and 58 are moved away from the cores 55, 57 and 59 as in FIGS. 8) to its active position (that is to say when the stops 54, 56 and 58 are against the cores 55, 57 and 59 as in Figures 3, 5 and 7). The reset lever 63 is rotatably mounted on the pivot 107 forming an axis A4. It is substantially W-shaped and comprises, at one of its ends, an arm 81 intended to come into contact preferentially with a second roller of the pin 66 in order to move the hammer 61. Preferably, the resetting lever 63 comprises substantially at its central end a finger 83 intended to limit its rotation according to the operating mode of the chronograph mechanism 7, that is to say according to whether it is in stop or start position. The finger 83 is thus intended to cooperate with the castellated wheel 48 in order to mechanically limit the rotation of the reset lever 63 when the finger 83 faces one of the columns of the castellated wheel 48 (as illustrated in FIGS. 4 and 6) and allow said rotations when between two columns (as shown in Figures 3, 5, 7 and 8). According to an advantageous characteristic of the invention, the hammer jumper 67 is of the bistable type, that is to say that it is capable of making the hammer 61 stable when it is in its active position and when it is in its inactive position. It is generally U-shaped, one of the vertical parts 82 is very rigid and is intended to come into contact with the peg of the peg 72 of the flip-flop 65. The vertical part 82 is thus elastically able to move away from approaching the other vertical part following the stresses of the pin 72 by rotation around the pivot 109 forming an axis A5. Preferably, the second vertical portion 85 is thinner than the first in order to provide the latter with the necessary elasticity.
Par conséquent, le sautoir de marteau 67 est utilisé pour générer une force antagoniste lors du mouvement M d'écartement de la partie verticale 82, c'est-à-dire la force nécessaire à la cheville 72 pour déplacer la bascule de marteau 65 lors du début de déplacement. De manière avantageuse, le sautoir de marteau 67 est également utilisé pour générer une force motrice lors de la détente élastique, c'est-à-dire que le sautoir 67 fournit une force suffisante pour retrouver sa position d'équilibre qui est apte à finir le déplacement de la cheville 72 comme expliqué ci-après.As a result, the hammer jumper 67 is used to generate an opposing force during the upward movement M of the vertical portion 82, i.e. the force required by the ankle 72 to move the hammer rocker 65 when from the beginning of displacement. Advantageously, the hammer jumper 67 is also used to generate a driving force during the elastic expansion, that is to say that the jumper 67 provides sufficient force to recover its equilibrium position which is able to finish the movement of the peg 72 as explained below.
Dans l'exemple illustré aux figures 3, 5 et 7, on voit la position stable lorsque le marteau 61 est actif, c'est-à-dire lorsque la bascule de marteau 65 est maintenue par sa cheville 72 en position contre la face supérieure 86 de la partie verticale 82 du sautoir de marteau 67. Le sautoir de marteau 67 permet ainsi d'exercer une force par sa face supérieure 86 apte à contrer le déplacement L & K du marteau 61 vers sa position inactive. Dans l'exemple illustré aux figures 4, 6 et 8, on voit la position stable lorsque le marteau 61 est inactif, c'est-à-dire lorsque la bascule de marteau 65 est maintenue par sa cheville 72 en position contre un cran aménagé sur une face latérale 88 de la partie verticale 82 du sautoir de marteau 67. Le sautoir de marteau 67 permet ainsi d'exercer une force par sa face latérale 88 (orientée sensiblement perpendiculairement par rapport à celle exercée par la face supérieure 86 en position active) apte à contrer le déplacement du marteau 61 vers sa position active. Bien entendu, les pentes de chaque face utile 86, 88 du sautoir 67 peuvent être adaptée en fonction du mécanisme sur lequel elles sont appliquées en les augmentant et/ou les diminuant et/ou les rendant plus ou moins rectilignes.In the example illustrated in Figures 3, 5 and 7, we see the stable position when the hammer 61 is active, that is to say when the hammer rocker 65 is held by its pin 72 in position against the face upper 86 of the vertical portion 82 of the hammer jumper 67. The hammer hammer 67 thus allows to exert a force by its upper face 86 adapted to counter the L & K movement of the hammer 61 to its inactive position. In the example illustrated in Figures 4, 6 and 8, we see the stable position when the hammer 61 is inactive, that is to say when the hammer rocker 65 is held by its peg 72 in position against a notched arranged on a lateral face 88 of the vertical part 82 of the hammer jumper 67. The hammer jumper 67 thus makes it possible to exert a force by its lateral face 88 (oriented substantially perpendicular to that exerted by the upper face 86 in the active position ) capable of counteracting the movement of the hammer 61 towards its active position. Of course, the slopes of each useful face 86, 88 of the jumper 67 can be adapted according to the mechanism on which they are applied by increasing and / or decreasing and / or making them more or less straight.
Selon une autre caractéristique avantageuse de l'invention, la pièce d'horlogerie 1 comporte des dispositifs antichoc 33 et 35 aptes à débrayer des organes de commande de leur mécanisme associé lorsqu'une force exercée est supérieure à un effort prédéterminé. Dans l'exemple suivant, les poussoirs 19 et 21 servent à expliquer le fonctionnement de dispositifs antichoc selon l'invention. Cependant l'exposé ne saurait se limiter à ces seuls modes de réalisation. Ainsi, de tels dispositifs pourraient également être prévus pour sécuriser un autre organe de commande tel que, par exemple, la couronne 15 commandant le dispositif de remise à l'heure 5 de la pièce d'horlogerie 1.According to another advantageous characteristic of the invention, the timepiece 1 comprises shockproof devices 33 and 35 able to disengage control members of their associated mechanism when a force exerted is greater than a predetermined force. In the following example, the pushers 19 and 21 serve to explain the operation of anti-shock devices according to the invention. However, the presentation can not be limited to these embodiments alone. Thus, such devices could also be provided to secure another control member such as, for example, the crown 15 controlling the time setting device 5 of the timepiece 1.
Le dispositif antichoc 33 est destiné à protéger le mécanisme de chronographe 7 contre l'actionnement intempestif du levier de remise à zéro 63. Il est monté à rotation selon le même axe A4 que le levier de remise à zéro 63. Le dispositif antichoc 33 comporte un ensemble doigt 92 - gorge 94 et une pièce principale 91 sensiblement en forme de C dont une extrémité comporte une zone de frappe 93 et dont l'autre extrémité comporte un ensemble cheville 96 - sautoir 95. La pièce 91 est destinée à servir de pièce intermédiaire entre le poussoir 21 et le levier de remise à zéro 63 afin de pouvoir les découpler.The shockproof device 33 is intended to protect the chronograph mechanism 7 against inadvertent actuation of the reset lever 63. It is rotatably mounted along the same axis A4 as the reset lever 63. The shockproof device 33 comprises a set finger 92 - groove 94 and a main part 91 substantially C-shaped, one end has a striking zone 93 and the other end The piece 91 is intended to act as an intermediate piece between the pusher 21 and the reset lever 63 so as to be able to uncouple them.
La zone de frappe 93 comporte un flaque sensiblement perpendiculaire par rapport au plan principal de la pièce 91 et fait face à l'arrière du poussoir 21. Elle est destinée à entrer en contact avec le poussoir 21 afin de lui transmettre sa force à la pièce 91. L'ensemble doigt 92 - gorge 94 est destiné à limiter les déplacements relatifs entre le levier de remise à zéro 63 et la pièce principale 91. Dans l'exemple illustré à la figure 3, le doigt 92 est solidaire de la pièce 91 et la gorge 94, du levier de remise à zéro 63. Cependant, un montage inverse est évidemment possible. De plus préférentiellement, le doigt 92 est également monté dans un trou 87 supérieur, sensiblement monté dans le même plan que les lumières 100 et 102, afin de limiter globalement son déplacement. Enfin, avantageusement, le dispositif antichoc 33 comporte un ensemble cheville 96 - sautoir 95. Un tel ensemble selon la configuration de l'invention est destiné à détecter mécaniquement les forces transmises successivement par le poussoir 21 , la zone de frappe 93, la pièce 91 comme trop intenses, c'est-à-dire détecter lorsque la force transmise risque de détériorer le mécanisme de chronographe 7.The striking zone 93 comprises a puddle substantially perpendicular to the main plane of the part 91 and faces the rear of the pusher 21. It is intended to come into contact with the pusher 21 in order to transmit its force to the workpiece 91. The finger assembly 92-groove 94 is intended to limit the relative movements between the reset lever 63 and the main part 91. In the example illustrated in Figure 3, the finger 92 is secured to the part 91 and the groove 94 of the reset lever 63. However, a reverse arrangement is obviously possible. More preferably, the finger 92 is also mounted in an upper hole 87, substantially mounted in the same plane as the lights 100 and 102, in order to limit its overall displacement. Finally, advantageously, the anti-shock device 33 comprises a set of pins 96 - jumper 95. Such an assembly according to the configuration of the invention is intended to mechanically detect the forces transmitted successively by the pusher 21, the strike zone 93, the piece 91 as too intense, ie detect when the transmitted force may deteriorate the chronograph mechanism 7.
En effet, la liaison mécanique entre la cheville 96 et le cran du sautoir 95 est adaptée pour se découpler, préférentiellement, lorsqu'un effort supérieur à 25 N lui est transmis par le poussoir 21. Bien entendu, dans le cas contraire, c'est-à-dire si la force est inférieure audit effort prédéterminé, le levier de remise à zéro 63 est actionné en même temps que la pièce principale 91.Indeed, the mechanical connection between the pin 96 and the notch of the jumper 95 is adapted to decouple, preferably, when a force greater than 25 N is transmitted to it by the pusher 21. Of course, in the opposite case, it is that is, if the force is less than said predetermined force, the reset lever 63 is actuated at the same time as the main piece 91.
De manière préférée, l'ensemble cheville 96 - sautoir 95 est sélectionné car, en position normale, il n'exerce aucune contrainte sur le mécanisme de chronographe 7 ce qui lui permet de le solliciter au minimum. De plus, la force de découplage est très facile à configurer car elle dépend principalement de la géométrie du cran par rapport au reste du sautoir 95 ce qui rend très reproductible la force de découplage. Il peut bien sûr, être envisagé d'autres liaisons en fonction de l'application prévue.Preferably, the 96-jumper assembly 95 is selected because, in the normal position, it does not exert any constraint on the chronograph mechanism 7 which allows him to solicit at least. In addition, the decoupling force is very easy to configure because it depends mainly on the geometry of the notch relative to the rest of the jumper 95 which makes the decoupling force very reproducible. It can of course, be considered other links depending on the intended application.
Dans l'exemple illustré à la figure 3, la cheville 96 est montée sur l'extrémité du levier de remise à zéro 63, opposée à celle comprenant le bras 81 , et le sautoir 95 est aménagé sur l'extrémité de la pièce 91 opposée à celle comprenant la zone de frappe 93. Cependant, un montage inverse de l'ensemble cheville 96 - sautoir 95 est évidemment possible.In the example illustrated in Figure 3, the pin 96 is mounted on the end of the reset lever 63, opposite that comprising the arm 81, and the jumper 95 is arranged on the end of the part 91 opposite to that including the strike zone 93. However, a reverse assembly of the 96-jumper assembly 95 is obviously possible.
L'autre dispositif antichoc 35 est destiné à protéger le mécanisme de chronographe 7 contre l'actionnement intempestif de la commande 41. Il est monté à rotation selon le même axe A1 que la commande 41. Le dispositif antichoc 35 comporte un ensemble doigt 1 12 - gorge 1 14 et une pièce principale 1 1 1 sensiblement en forme d'arc de cercle dont une extrémité comporte une zone de frappe 1 13 et dont l'autre extrémité comporte un ensemble cheville 1 16 - sautoir 1 15. La pièce 1 1 1 est destinée à servir de pièce intermédiaire entre le poussoir 19 et la commande 41 afin de pouvoir les découpler.The other anti-shock device 35 is intended to protect the chronograph mechanism 7 against inadvertent actuation of the control 41. It is rotatably mounted along the same axis A1 as the control 41. The anti-shock device 35 comprises a finger assembly 12 - groove 1 14 and a main part 1 1 1 substantially shaped circular arc whose one end has a striking zone 1 13 and the other end comprises a set peg 1 16 - jumper 1 15. The piece 1 1 1 is intended to serve as an intermediate piece between the pusher 19 and the control 41 in order to decouple them.
La zone de frappe 1 13 comporte un flasque sensiblement perpendiculaire par rapport au plan principal de la pièce 1 1 1 et fait face à l'arrière du poussoir 19. Elle est destinée à entrer en contact avec le poussoir 19 afin de lui transmettre sa force à la pièce 1 1 1. L'ensemble doigt 1 12 - gorge 1 14 est destiné à limiter les déplacements relatifs entre le la commande 41 et la pièce principale 1 1 1. Dans l'exemple illustré à la figure 3, le doigt 1 12 est solidaire de la pièce 1 1 1 et la gorge 1 14, de la commande 41. Cependant, un montage inverse est évidemment possible. De plus comme pour le doigt 92, le doigt 1 12 est également monté dans un trou 89 supérieur, sensiblement monté dans le même plan que les lumières 100 et 102, afin de limiter globalement son déplacement.The striking zone 1 13 comprises a flange substantially perpendicular to the main plane of the part 1 1 1 and faces the rear of the pusher 19. It is intended to come into contact with the pusher 19 in order to transmit its force to it. 1 1 1. The finger assembly 1 12 - 1 14 groove is intended to limit the relative movements between the control 41 and the main part 1 1 1. In the example shown in Figure 3, the finger 1 12 is secured to the part 1 1 1 and the groove 1 14, the control 41. However, a reverse assembly is obviously possible. In addition, as for the finger 92, the finger 1 12 is also mounted in an upper hole 89, substantially mounted in the same plane as the lights 100 and 102, in order to limit its overall displacement.
Avantageusement, le dispositif antichoc 35 comporte un ensemble cheville 1 16 - sautoir 1 15. Un tel ensemble selon la configuration de l'invention est destiné à détecter mécaniquement les forces transmises successivement par le poussoir 19, la zone de frappe 1 13, la pièce 1 1 1 comme trop intenses, c'est-à-dire détecter lorsque la force transmise risque de détériorer le mécanisme de chronographe 7.Advantageously, the anti-shock device 35 comprises an assembly peg 1 16 - jumper 1 15. Such an assembly according to the configuration of the invention is intended to mechanically detect the forces transmitted successively by the pusher 19, the strike zone 1 13, the piece 1 1 1 as too intense, ie detect when the transmitted force may deteriorate the chronograph mechanism 7.
Dans l'exemple illustré à la figure 3, la cheville 116 est montée sur l'extrémité, opposée celle montée sur l'axe A1 , de la pièce principale 1 1 1 de façon sensiblement perpendiculaire. Le sautoir 1 15 est monté rapporté sur la commande 41. Préférentiellement, le montage est réalisé au moyen d'un flasque (non représentée pour ne pas alourdir les figures) qui est reliée à la commande 41 grâce à des goupilles 1 17 et 1 18 de manière à emprisonner le sautoir 1 15 entre ledit flasque et ladite commande. La liaison mécanique entre la cheville 1 16 et le cran du sautoir 1 15 est adaptée pour se découpler, préférentiellement, lorsqu'un effort supérieur à 25 N lui est transmis par le poussoir 19.In the example illustrated in Figure 3, the pin 116 is mounted on the end, opposite that mounted on the axis A1, of the main part 1 1 1 substantially perpendicular. The jumper 1 15 is mounted on the control 41. Preferably, the assembly is carried out by means of a flange (not shown so as not to weigh down the figures) which is connected to the control 41 by means of pins 1 17 and 1 18 so as to trap the jumper 1 15 between said flange and said control. The mechanical connection between the peg 1 16 and the notch of the jumper 1 15 is adapted to decouple, preferably, when a force greater than 25 N is transmitted to it by the pusher 19.
Bien entendu, dans le cas contraire, c'est-à-dire si la force est inférieure audit effort prédéterminé, la commande 41 est actionnée en même temps que la pièce principale 1 1 1. Enfin, de la même manière que pour le dispositif antichoc 33, un montage inverse de l'ensemble cheville 1 16 - sautoir 1 15 est évidemment possible.Of course, in the opposite case, that is to say if the force is less than said predetermined force, the control 41 is actuated at the same time as the main part 1 1 1. Finally, in the same way as for the device shockproof 33, a reverse assembly of the whole peg 1 16 - jumper 1 15 is obviously possible.
Préférentiellement, les pièces principales 91 et 1 1 1 sont d'épaisseur sensiblement équivalente à celle respectivement du levier de remise à zéro 63 et de la commande 41. L'épaisseur de chacune des pièces principales peut être ainsi inférieure à 0,5 mm.Preferably, the main parts 91 and 1 1 1 are of substantially equivalent thickness to that respectively of the reset lever 63 and the control 41. The thickness of each of the main parts can thus be less than 0.5 mm.
Selon une caractéristique avantageuse supplémentaire, la pièce d'horlogerie 1 comporte un dispositif d'uniformisation d'efforts 37 entre deux de ses organes de commande. Dans l'exemple illustré aux figures 2 à 8, le dispositif d'uniformisation d'effort 37 est destiné à personnaliser le toucher à l'enfoncement des poussoirs 19 et 21 commandant le mécanisme de chronographe 7. Cependant, le dispositif d'uniformisation d'effort 37 peut être envisagé entre deux autres organes de commande de la pièce d'horlogerie 1. Avantageusement selon l'invention, ladite personnalisation consiste à générer une force antagoniste lors de l'enfoncement de chaque poussoir 19, 21 à l'aide d'un seul et même dispositif. Dans l'exemple illustré à la figure 3, le dispositif d'uniformisation d'efforts 37 comporte une bascule intermédiaire 121 , un sautoir 123, un premier ensemble doigt 122 - gorge 120 et un deuxième ensemble doigt 126 - gorge 124. La bascule intermédiaire 121 est montée sensiblement médianement à rotation contre l'axe A1. La bascule intermédiaire 121 est destinée à sélectivement transmettre ladite force antagoniste à la cinématique dédiée du poussoir 19, 21 qui est actionné comme expliqué ci- après. La force antagoniste est induite par le déplacement relatif entre l'extrémité sensiblement en pointe 125 de la bascule 121 et le cran du sautoir 123 rapporté sur la commande 41.According to an additional advantageous characteristic, the timepiece 1 comprises a force equalization device 37 between two of its control members. In the example illustrated in FIGS. 2 to 8, the force equalization device 37 is intended to personalize the touch at the depression of the push-buttons 19 and 21 controlling the chronograph mechanism 7. However, the device for standardization of Stress 37 can be envisaged between two other control members of the timepiece 1. Advantageously according to the invention, said customization consists in generating an antagonistic force during the depression of each pusher 19, 21 with the aid of FIG. one and the same device. In the example illustrated in FIG. 3, the force equalization device 37 comprises an intermediate lever 121, a jumper 123, a first finger 122 - throat assembly 120 and a second finger 126 - throat assembly 124. The intermediate lever 121 is mounted substantially medially rotatably against the axis A1. The intermediate lever 121 is intended to selectively transmit said counterforce to the dedicated kinematics of the pusher 19, 21 which is actuated as explained below. The counterforce is induced by the relative displacement between the substantially pointed end 125 of the flip-flop 121 and the notch of the jumper 123 attached to the control 41.
Afin que le dispositif d'uniformisation d'efforts 37 fonctionne à partir de l'enfoncement des deux poussoirs 19 et 21 , la bascule 121 utilise les deux ensembles doigt - gorge afin de respectivement relier la commande 41 , c'est-à-dire une partie de la cinématique associée au poussoir 19, et le levier de remise à zéro 63, c'est-à-dire une partie de la cinématique associée au poussoir 21.So that the force equalization device 37 operates from the depression of the two pushers 19 and 21, the latch 121 uses the two finger-throat assemblies to respectively connect the control 41, that is to say a portion of the kinematic associated with the pusher 19, and the reset lever 63, that is to say a portion of the kinematic associated with the pusher 21.
Ainsi, le doigt 122 est monté sur la même extrémité de la bascule 121 que la pointe 125 de façon sensiblement perpendiculaire et glisse dans la gorge 120 aménagée dans la commande 41. De plus, le doigt 126 est monté sur l'autre extrémité, opposée à celle de la pointe 125, de façon sensiblement perpendiculaire et glisse dans la gorge 124 aménagée dans le levier de remise à zéro 63.Thus, the finger 122 is mounted on the same end of the latch 121 as the tip 125 substantially perpendicular and slides in the groove 120 arranged in the control 41. In addition, the finger 126 is mounted on the other end, opposite at that of the tip 125, substantially perpendicular and slides in the groove 124 arranged in the reset lever 63.
Avantageusement selon l'invention, le sautoir 1 15 du dispositif antichoc 35 et le sautoir 123 du dispositif d'uniformisation d'efforts 37 partagent les mêmes moyens de fixations 1 17, 1 18 montés sur la commande 41. Ils forment ainsi une pièce monobloc 127 formant un double sautoir.Advantageously according to the invention, the jumper 1 15 of the anti-shock device 35 and the jumper 123 of the force equalization device 37 share the same fastening means 1 17, 1 18 mounted on the control 41. They thus form a single piece 127 forming a double jumper.
Comme visible notamment à la figure 3, par les représentations diverses de traits, au niveau de la région de l'axe A1 , il y a au moins quatre pièces au moins partiellement empilées l'une sur l'autre. De manière préférée, l'empilement consécutif est à une extrémité la bascule intermédiaire 121 puis la commande 41 , la pièce principale 1 1 1 et le crochet de commande 43.As can be seen in particular in FIG. 3, by the various representations of lines, at the region of the axis A1, there are at least four pieces at least partially stacked one on the other. Preferably, the consecutive stack is at one end the flip-flop intermediate 121 then the control 41, the main part 1 1 1 and the control hook 43.
Le fonctionnement de la pièce d'horlogerie 1 et plus particulièrement du mécanisme de chronographe 7 va maintenant être expliqué en référence aux figures 3 à 8. Dans ces figures, seulement une partie du mécanisme de chronographe 7 est représenté afin de faciliter la compréhension de l'invention. De plus, afin de mieux se rendre compte de la quantité de déplacement des poussoirs 19 et 21 effectués entre les figures, lesdits poussoirs 19 et 21 sont volontairement toujours placés à la même position non enfoncée.The operation of the timepiece 1 and more particularly of the chronograph mechanism 7 will now be explained with reference to FIGS. 3 to 8. In these figures, only part of the chronograph mechanism 7 is shown in order to facilitate the understanding of the chronograph mechanism. 'invention. In addition, to better understand the amount of movement of the pushers 19 and 21 made between the figures, said pushers 19 and 21 are always intentionally always in the same position not depressed.
La figure 3 représente le mécanisme de chronographe 7 lorsqu'il est inactif, c'est-à-dire lorsque le dispositif indicateur 17 n'est pas utilisé. On remarque que le dispositif de remise à zéro 25 est actif, c'est-à-dire que le dispositif indicateur 17 est initialisé, et que cette position est rendue stable par contact préférentiellement du galet de la cheville 72 contre la face supérieure 86 du sautoir 67.Figure 3 shows the chronograph mechanism 7 when inactive, i.e. when the indicator device 17 is not used. Note that the resetting device 25 is active, that is to say that the indicator device 17 is initialized, and that this position is made stable by preferentially contacting the roller of the peg 72 against the upper face 86 of the jumper 67.
De plus, les dispositifs antichoc 33 et 35 sont dans leur position normale, c'est-à-dire couplés respectivement avec le levier de remise à zéro 63 et la commande 41. En outre, le dispositif d'uniformisation d'efforts 37 est dans sa position d'équilibre, c'est-à-dire que la pointe 125 de la bascule intermédiaire 121 siège dans le cran du sautoir 123. Enfin, la roue à colonnes 45 du système de commande 23 est dans sa position autorisant l'activation du dispositif de remise à zéro 25.In addition, the anti-shock devices 33 and 35 are in their normal position, that is, respectively coupled with the reset lever 63 and the control 41. In addition, the force equalizing device 37 is in its position of equilibrium, that is to say that the tip 125 of the intermediate lever 121 sits in the notch of the jumper 123. Finally, the column wheel 45 of the control system 23 is in its position allowing the activation of the reset device 25.
Dans un fonctionnement normal du mécanisme de chronographe 7, l'utilisateur actionne le poussoir arrêt/départ 19 selon la flèche B visible à la figure 3. Dans une première phase, le poussoir 19 se déplace sensiblement selon une translation B jusqu'à ce que l'arrière du poussoir 19 entre en contact avec la zone de frappe 1 13 du dispositif antichoc 35. Dans une deuxième phase, le mouvement du poussoir 19 est transmis à la pièce principale 1 1 1 du dispositif antichoc 35 qui imprime alors une rotation C autour de l'axe A1. Si la vitesse du mouvement B exercée sur le poussoir 19 induit une force sur la liaison sautoir 1 15 - cheville 1 16, préférentiellement, supérieure à 25 N, le dispositif antichoc 35 passe en position débrayée. Cela signifie que la liaison entre la cheville 1 16 de la pièce principale 1 1 1 et le cran du sautoir 1 15 monté sur la commande 41 se désolidarise. Par conséquent, la translation B du poussoir 19, sensiblement orientée vers le cœur 59, induit uniquement la rotation C de la pièce principale 1 1 1 du dispositif antichoc 35 dans le sens rétrograde. La rotation C de la pièce principale 1 1 1 est limitée lorsque le doigt 1 12 rencontre l'extrémité du trou 89 comme illustré dans la figure 5.In normal operation of the chronograph mechanism 7, the user actuates the push stop / start 19 according to the arrow B visible in Figure 3. In a first phase, the pusher 19 moves substantially in a translation B until the rear of the pusher 19 comes into contact with the striking zone 1 13 of the shockproof device 35. In a second phase, the movement of the pusher 19 is transmitted to the main part 1 1 1 of the shockproof device 35 which then prints a rotation C around the A1 axis. If the speed of the movement B exerted on the pusher 19 induces a force on the jumper 1 15 - peg 1 16, preferably greater than 25 N, the shockproof device 35 goes into the disengaged position. This means that the connection between the peg 1 16 of the main part 1 1 1 and the notch of the jumper 1 15 mounted on the control 41 is disengaged. Therefore, the translation B of the pusher 19, substantially oriented towards the heart 59, only induces the rotation C of the main part 1 1 1 of the shockproof device 35 in the retrograde direction. The rotation C of the main part 1 1 1 is limited when the finger 1 12 meets the end of the hole 89 as illustrated in FIG.
Préférentiellement, à ce stade ou sensiblement avant, une collerette 129 du poussoir 19 (visible à la figure 5) bute contre le boîtier 1 1 de la pièce d'horlogerie 1 ce qui limite de manière plus sure la course du poussoir 19. A titre d'alternative ou d'élément complémentaire, il peut également être prévu une butée de fin de course de la zone de frappe 1 13. A tout moment, lorsque le poussoir 19 est relâché, la force de détente du sautoir 1 15 ramène la cheville 1 16 vers le cran du sautoir 1 15. Le dispositif antichoc 35 permet ainsi de protéger la cinématique rattachée à la commande 41 et se repositionne automatiquement de manière mécanique. Si la vitesse du mouvement B exercée sur le poussoir 19 induit une force sur la liaison sautoir 1 15 - cheville 1 16, préférentiellement, inférieure à 25 N, le dispositif antichoc 35 reste en position normale et, dans une troisième phase, transmet à la commande 41 son mouvement. La commande 41 est entraînée selon la même rotation C rétrograde autour de l'axe A1. L'amplitude la rotation C réalisée lors de la troisième phase permet, pendant la course de la commande 41 , de déplacer la bascule de marteau 65 par le mouvement D de sa cheville 51 et, le crochet de commande 43, par le mouvement E de sa lumière 47.Preferably, at this stage or substantially before, a flange 129 of the pusher 19 (visible in FIG. 5) abuts against the housing 1 1 of the timepiece 1, which more surely limits the stroke of the pusher 19. alternative or complementary element, it can also be provided a limit stop of the striking zone 1 13. At any time, when the pusher 19 is released, the relaxation force of the jumper 1 15 brings back the ankle 1 16 to the notch of the jumper 1 15. The shockproof device 35 thus protects the kinematics attached to the control 41 and is automatically repositioned mechanically. If the speed of the movement B exerted on the pusher 19 induces a force on the jumper link 1 - peg 1 16, preferably less than 25 N, the shockproof device 35 remains in the normal position and, in a third phase, transmits to the command 41 his movement. The control 41 is driven in the same retrograde rotation C around the axis A1. The amplitude C rotation performed during the third phase allows, during the travel of the control 41, to move the hammer rocker 65 by the movement D of its pin 51 and, the control hook 43, the movement E of its light 47.
Par conséquent, dans une quatrième phase, le tenon 49 du crochet de commande 43, emprisonné dans la lumière 47, entraîne également le crochet de commande 43 en rotation C rétrograde autour de l'axe A1. Le crochet 44 se rapproche donc de la dent de la roue à rochet 46 qui lui fait face par un mouvement F sensiblement tangentiel. Dans une cinquième phase, le crochet 44 entre en contact avec la roue à rochet 46 et force la roue à colonnes 45 à imprimer une rotation G trigonométrique autour de l'axe A2.Therefore, in a fourth phase, the pin 49 of the control hook 43, trapped in the slot 47, also causes the control hook 43 in rotation C retrograde about the axis A1. The hook 44 is thus closer to the tooth of the ratchet wheel 46 which faces it by a substantially tangential movement F. In a fifth phase, the hook 44 comes into contact with the ratchet wheel 46 and forces the column wheel 45 to print a trigonometric rotation G about the axis A2.
A la fin de la cinquième phase correspondant à la course maximale du crochet 44, comme illustré à la figure 4, la roue à colonnes 45 a pivoté selon un angle sensiblement égal 30 degrés de façon à ce qu'une colonne de la roue crénelée 48 face vis-à-vis avec le doigt 83 du levier de remise à zéro 63. Cela permet au système de commande 23 de changer d'état en empêchant, notamment, l'activation du dispositif de remise à zéro 25.At the end of the fifth phase corresponding to the maximum stroke of the hook 44, as illustrated in Figure 4, the column wheel 45 has rotated at an angle substantially equal to 30 degrees so that a column of the castellated wheel 48 face opposite with the finger 83 of the reset lever 63. This allows the control system 23 to change state by preventing, in particular, the activation of the reset device 25.
De manière non visible afin de ne pas alourdir les figures, ledit changement d'état contrôle l'activation du dispositif d'embrayage 29, c'est- à-dire que le mécanisme de chronographe 7 est rendu solidaire avec le mouvement horloger 3 et la désactivation du dispositif d'immobilisation 31 , c'est-à-dire que le dispositif de rouages 27 n'est pas immobilisé. En effet, préférentiellement, la roue à colonne 45 comporte une troisième roue dentée, en dessous de la roue à rochet 46, qui permet de commander lesdits dispositifs. Pendant lesdites quatrième et cinquième phases, la bascule de marteau 65 est déplacée par le mouvement D de poussée de la cheville 51. Le déplacement de la bascule de marteau 65 est du type à rotation rétrograde H autour de l'axe A3. Dans un premier temps qui est préférentiellement postérieur au début de la quatrième phase, la cheville 51 , préférentiellement par l'intermédiaire de son galet 53, entre en contact avec l'extrémité de la bascule de marteau 65 qui lui fait face, ladite bascule étant en position stable grâce au contact de sa cheville 72 contre la face supérieure 86 du sautoir 67.In a manner that is not visible so as not to weigh down the figures, said change of state controls the activation of the clutch device 29, that is to say that the chronograph mechanism 7 is made integral with the watch movement 3 and the deactivation of the immobilizer 31, that is to say that the gear device 27 is not immobilized. Indeed, preferably, the column wheel 45 comprises a third gear, below the ratchet wheel 46, for controlling said devices. During said fourth and fifth phases, the hammer rocker 65 is moved by the thrust movement D of the pin 51. The movement of the hammer rocker 65 is of the retrograde rotation type H about the axis A3. In a first step which is preferably subsequent to the beginning of the fourth phase, the pin 51, preferably via its roller 53, comes into contact with the end of the hammer rocker 65 which faces it, said rocker being in stable position thanks to the contact of its ankle 72 against the upper face 86 of the jumper 67.
Ainsi, de manière avantageuse, pendant le début de la rotation C de la commande 41 (c'est-à-dire avant la cinquième phase et le premier temps), le retour d'effort sur le poussoir 19 ressenti par l'utilisateur est généré principalement par le déplacement relatif du sautoir 123, qui est entraîné selon le mouvement J autour de l'axe A1 par la commande 41 , par rapport à la pointe 125 de la bascule intermédiaire 121.Thus, advantageously, during the start of the rotation C of the control 41 (that is to say before the fifth phase and the first time), the force feedback on the pusher 19 felt by the user is generated mainly by the relative movement of the jumper 123, which is driven according to the movement J about the axis A1 by the control 41, relative to the tip 125 of the intermediate lever 121.
Au début du premier temps, l'effort de poussée sur le poussoir 19 doit donc contrer les efforts antagonistes conjugués exercés principalement par l'écartement J du sautoir 123 par rapport à la pointe 125 et l'écartement M de la partie verticale 82 du sautoir 67 par rapport à la cheville 72.At the beginning of the first step, the thrust force on the pusher 19 must therefore counteract the conjugate antagonistic efforts exerted mainly by the spacing J of the jumper 123 relative to the tip 125 and the spacing M of the vertical portion 82 of the jumper 67 to the ankle 72.
Préférentiellement aux deux tiers de la course de la commande 41 , le deuxième temps est initié. Il correspond au moment où, préférentiellement, le galet de la cheville 72 de la bascule 65 dépasse le bord commun entre la face supérieure 86 et la face latérale 88 de la partie verticale 82 du sautoir 67. En effet, à ce moment, le mouvement B du poussoir 19 n'oblige plus le sautoir 67 à s'écarter selon le mouvement M mais au contraire autorise à ce que le sautoir 67 tende à revenir en position d'équilibre.Preferably to two thirds of the race of the command 41, the second time is initiated. It corresponds to the moment when, preferably, the roller of the peg 72 of the rocker 65 exceeds the common edge between the upper face 86 and the lateral face 88 of the vertical part 82 of the jumper 67. Indeed, at this moment, the movement B of the pusher 19 no longer requires the jumper 67 to move away according to the movement M but on the contrary allows the jumper 67 tends to return to the equilibrium position.
Par conséquent sensiblement au début du deuxième temps, la bascule de marteau 65 n'est plus déplacée par l'effort exercé sur le poussoir 19 mais sensiblement par la force exercée par la rotation trigonométrique de détente de la partie verticale 82 du sautoir 67 autour de l'axe A5. La fin du mouvement (H, K, L) du dispositif de remise à zéro 25 est alors « automatiquement » réalisé.Therefore substantially at the beginning of the second time, the hammer rocker 65 is no longer displaced by the force exerted on the pusher 19 but substantially by the force exerted by the trigger trigonometric rotation of the vertical portion 82 of the jumper 67 around the axis A5. The end of the movement (H, K, L) of the resetting device 25 is then "automatically" performed.
Comme visible à la figure 4, à la fin du deuxième temps (correspondant sensiblement à la fin de la cinquième phase), le galet 53 de la cheville 51 n'est plus en contact avec la bascule de marteau 65 et le galet de la cheville 72 de ce dernier siège dans le cran de la partie latérale 88 du sautoir 67. Le mouvement de la bascule 65 a entraîné directement le tenon 64 du marteau 61 selon la translation K dans la lumière 100 et, indirectement, le deuxième tenon 66 du marteau 61 selon la translation L dans la lumière 102 de sorte que le marteau 61 s'est éloigné des cœurs 55, 57 et 59. Par conséquent, le dispositif de remise à zéro 25 illustré à la figure 4 est dans sa position stable désactivée. On comprend donc qu'aux fins respectives, qui sont sensiblement simultanées, de la cinquième phase et du deuxième temps, le mécanisme de chronographe 7 est activé, c'est-à-dire que le dispositif indicateur 17 commence à visualiser le temps écoulé. Néanmoins, à tout moment, si l'effort exercé sur le poussoir 19 induit une force sur la liaison sautoir 1 15 - cheville 1 16 qui excède sensiblement 25 N, la commande 41 n'est plus entraînée par le dispositif antichoc 35.As can be seen in FIG. 4, at the end of the second time (corresponding substantially to the end of the fifth phase), the roller 53 of the peg 51 is no longer in contact with the hammer lever 65 and the peg of the peg. 72 of the latter seat in the notch of the lateral portion 88 of the jumper 67. The movement of the rocker 65 directly led the post 64 of the hammer 61 according to the translation K in the light 100 and, indirectly, the second post 66 of the hammer 61 according to the translation L in the light 102 so that the hammer 61 has moved away from the cores 55, 57 and 59. Therefore, the resetting device 25 illustrated in Figure 4 is in its stable position deactivated. It is therefore understood that for the respective purposes, which are substantially simultaneous, the fifth phase and the second time, the chronograph mechanism 7 is activated, that is to say that the indicator device 17 begins to visualize the elapsed time. Nevertheless, at any time, if the force exerted on the pusher 19 induces a force on the jumper 1 15 - peg 1 16 which exceeds substantially 25 N, the control 41 is no longer driven by the shockproof device 35.
On peut voir également à la figure 4 que le dispositif d'uniformisation d'efforts 37 est dans sa position la plus éloignée par rapport à celle d'équilibre visible à la figure 3. On voit notamment que le déplacement relatif de la pointe 125 de la bascule intermédiaire 121 par rapport au sautoir 123 a été entièrement réalisé par le déplacement commun dudit sautoir 123 avec la commande 41. Cela est rendu possible par le déplacement de la gorge 120 aménagée sur la commande 41 contre le doigt 122 de la bascule intermédiaire 121.It can also be seen in FIG. 4 that the force equalization device 37 is in its position farthest away from that of equilibrium visible in FIG. 3. It can be seen in particular that the relative displacement of the tip 125 of the intermediate lever 121 relative to the jumper 123 has been entirely achieved by the common movement of said jumper 123 with the control 41. This is made possible by the movement of the groove 120 arranged on the control 41 against the finger 122 of the intermediate lever 121 .
Par conséquent, un simple relâchement du poussoir 19 va mécaniquement libérer la contrainte entre la pointe 125 de la bascule intermédiaire 121 et la sautoir 123. Le dispositif d'uniformisation d'efforts 37 tend alors à retrouver sa position d'équilibre et entraîne dans son déplacement la commande 41 et, incidemment par la cinématique expliquée ci-dessus, le crochet de commande 43 et la pièce principale 1 1 1 sans que le dispositif de remise à zéro 25 ne modifie son fonctionnement.Therefore, a simple release of the pusher 19 will mechanically release the stress between the tip 125 of the intermediate lever 121 and the jumper 123. The effort equalizing device 37 then tends to return to its equilibrium position and leads in its displacement control 41 and, incidentally by the kinematics explained above, the control hook 43 and the main part 1 1 1 without the reset device 25 does not change its operation.
Comme visible à la figure 6, le mécanisme de chronographe 7 est donc activé, c'est-à-dire que le dispositif indicateur 17 continue de mesurer le temps écoulé, le dispositif de remise à zéro 25 est dans sa position inactive stable, le dispositif d'uniformisation d'efforts 37 est dans sa position d'équilibre et les cinématiques reliées aux poussoirs 19 et 21 dans leur position de repos. A ce stade, grâce à la roue à colonnes 45 du système de commande 23, il n'est pas possible d'activer le dispositif de remise à zéro 25, de plus comme expliqué ci-avant, le dispositif d'embrayage 29 est activé et le dispositif d'immobilisation 31 désactivé. Lorsque l'utilisateur souhaite arrêter la mesure du temps, c'est-à-dire arrêter le dispositif indicateur 17, il appuie de nouveau sur le poussoir 19.As can be seen in FIG. 6, the chronograph mechanism 7 is therefore activated, that is to say that the indicator device 17 continues to measure the elapsed time, the reset device 25 is in its stable inactive position, the force equalization device 37 is in its equilibrium position and the kinematics connected to the pushers 19 and 21 in their rest position. At this stage, thanks to the column wheel 45 of the control system 23, it is not possible to activate the reset device 25, moreover as explained above, the clutch device 29 is activated and the immobilizer 31 deactivated. When the user wishes to stop the measurement of the time, that is to say stop the indicator device 17, he presses the pushbutton 19 again.
Comme expliqué précédemment, si l'effort exercé sur le poussoir 19 engendre une force sur la liaison sautoir 1 15 - cheville 1 16 sensiblement supérieure à 25 N, le dispositif antichoc 35 passe en position débrayée et n'entraîne pas la commande 41. Si l'appui sur le poussoir 19 est inférieur à l'effort prédéterminé, la cinématique, expliquée ci-dessus, entraîne le crochet de commande 43 selon le mouvement tangentiel F apte à faire imprimer une rotation G trigonométrique, sur sensiblement un angle de 30 degrés, à la roue à colonne 45.As explained above, if the force exerted on the pusher 19 generates a force on the jumper link 1 - pin 1 16 substantially greater than 25 N, the shockproof device 35 goes into the disengaged position and does not cause the control 41. If the support on the pusher 19 is less than the predetermined force, the kinematics, explained above, causes the control hook 43 according to the tangential movement F able to print a trigonometric rotation G, at a substantially angle of 30 degrees at the column wheel 45.
Par conséquent, le système de commande 23 revient à un état sensiblement symétrique à celui de la figure 3 ce qui implique qu'il permet à nouveau l'activation du dispositif de remise à zéro 25 (le doigt 83 du levier de remise à zéro 63 fait de nouveau face à un espace entre deux colonnes de la roue crénelée 48). Cet état désactive, également, le dispositif d'embrayage 29 (c'est-à-dire désolidarise le mécanisme de chronographe 7 du mouvement horloger 3) et active le dispositif d'immobilisation 31 (c'est-à- dire rend statique le dispositif de rouages 27) par exemple au moyen de ladite troisième roue de la roue à colonne 45 comme expliqué ci-dessus. L'utilisateur peut alors lire confortablement, par le dispositif indicateur 17 (rendu immobile) du système d'affichage 9, le temps écoulé qu'il a souhaité mesurer.Consequently, the control system 23 returns to a state substantially symmetrical to that of FIG. 3, which implies that it allows the activation of the resetting device 25 (the finger 83 of the reset lever 63) again. again faces a space between two columns of the crenellated wheel 48). This state also deactivates the clutch device 29 (that is, disengages the chronograph mechanism 7 from the watch movement 3) and activates the immobilizer 31 (that is, makes the device static). gear device 27) for example by means of said third wheel of the column wheel 45 as explained above. The user can then comfortably read, by the indicating device 17 (made immobile) of the display system 9, the elapsed time that he wished to measure.
Si l'utilisateur veut redémarrer le mécanisme de chronographe 7, il appuie sur le poussoir 19 afin de faire à nouveau changer d'état le système de commande 23 en ayant un ressenti identique que s'il actionnait pour la première fois le mécanisme de chronographe 7. Cela est rendu possible grâce au dispositif d'uniformisation d'efforts 37.If the user wants to restart the chronograph mechanism 7, he presses the pusher 19 to make again change the control system 23 having the same feeling as if he operated for the first time the chronograph mechanism 7. This is made possible by the effort equalization device 37.
S'il souhaite réinitialiser le dispositif indicateur 17 afin, par exemple, d'effectuer une nouvelle mesure de temps, l'utilisateur appuie sur le poussoir 21 comme visible à la figure 7. Dans une première étape, le poussoir 21 se déplace sensiblement selon une translation N jusqu'à ce que l'arrière du poussoir 21 entre en contact avec la zone de frappe 93 du dispositif antichoc 33. Dans une deuxième étape, le mouvement du poussoir 21 est transmis à la pièce principale 91 du dispositif antichoc 33 qui imprime alors une rotation P rétrograde autour de l'axe A4. Si la vitesse du mouvement N exercée sur le poussoir 21 induit une force sur la liaison sautoir 95 - cheville 96, préférentiellement, supérieure à 25N, le dispositif antichoc 33 passe en position débrayée. Cela signifie que la liaison entre la cheville 96 du levier de remise à zéro 63 et le cran du sautoir 95 aménagé sur la pièce principale 91 se désolidarise. Par conséquent, la translation N du poussoir 21 , sensiblement orientée vers le cœur 59, induit uniquement la rotation P de la pièce principale 91 du dispositif antichoc 33 dans le sens rétrograde. La rotation P de la pièce principale 91 est limitée lorsque le doigt 92 rencontre l'extrémité du trou 87 comme illustré dans la figure 8. Préférentiellement, à ce stade ou sensiblement avant, une colleretteIf he wishes to reset the indicator device 17 to, for example, perform a new measurement of time, the user presses the pusher 21 as shown in FIG. 7. In a first step, the pusher 21 moves substantially according to a N translation until that the rear of the pusher 21 comes into contact with the striking zone 93 of the shockproof device 33. In a second step, the movement of the pusher 21 is transmitted to the main part 91 of the shockproof device 33 which then prints a retrograde rotation P around from the A4 axis. If the speed of the movement N exerted on the pusher 21 induces a force on the jumper 95 - pin 96, preferably greater than 25N, the shockproof device 33 goes into the disengaged position. This means that the connection between the peg 96 of the reset lever 63 and the notch of the jumper 95 formed on the main part 91 dissociates. Therefore, the translation N of the pusher 21, substantially oriented towards the core 59, only induces the rotation P of the main part 91 of the shockproof device 33 in the retrograde direction. The rotation P of the main part 91 is limited when the finger 92 meets the end of the hole 87 as illustrated in FIG. 8. Preferably, at this stage or substantially before, a flange
131 du poussoir 21 (visible à la figure 8) bute contre le boîtier 1 1 de la pièce d'horlogerie 1 ce qui limite de manière plus sure la course du poussoir 21. A titre d'alternative ou d'élément complémentaire, il peut également être prévu une butée de fin de course de la zone de frappe 93. A tout moment, lorsque le poussoir 21 est relâché, la force de détente du sautoir 95 le ramène vers la cheville 96. Le dispositif antichoc 33 permet ainsi de protéger la cinématique rattachée au levier de remise à zéro 63 et se repositionne automatiquement de manière mécanique.131 of the pusher 21 (visible in Figure 8) abuts against the housing 1 1 of the timepiece 1 which limits more securely the stroke of the pusher 21. As an alternative or complementary element, it can also be provided a limit stop of the strike zone 93. At any time, when the pusher 21 is released, the expansion force of the jumper 95 brings it back to the ankle 96. The shockproof device 33 thus protects the kinematic attached to the reset lever 63 and is automatically repositioned mechanically.
Si la vitesse du mouvement N exercée sur le poussoir 21 induit une force sur la liaison sautoir 95 - cheville 96, préférentiellement, inférieure à 25 N, le dispositif antichoc 33 reste en position normale et, dans une troisième étape, transmet au levier de remise à zéro 63 son mouvement. Le levier de remise à zéro 63 est entraîné selon la même rotation P rétrograde autour de l'axe A4 et, incidemment, son doigt 83 et son bras 81. Dans une quatrième étape, le bras 81 , par son mouvement O sensiblement orienté vers les cœurs 55, 57 et 59, entre en contact avec le deuxième galet du tenon 66 et commence à l'entraîner. Par la cinématique du dispositif de remise à zéro 25, le mouvement O du bras 81 du levier de remise à zéro 63 se traduit successivement par les mouvements L' (sensiblement inverse à L expliqué ci-dessus) du tenon 66, K' du tenon 64 (sensiblement inverse à K expliqué ci-dessus) et H' de la bascule de marteau 65 (sensiblement inverse à H expliqué ci-dessus). Cependant, la bascule de marteau 65 étant en position stable grâce au contact du galet de sa cheville 72 contre la face latérale 88 du sautoir 67, elle exerce une force antagoniste au mouvement O. De manière avantageuse, pendant le début de la rotation P du levier de remise à zéro 63 (c'est-à-dire avant la quatrième étape), le retour d'effort sur le poussoir 21 ressenti par l'utilisateur est généré principalement par le déplacement relatif de la pointe 125 de la bascule intermédiaire 121 , qui est entraînée selon le mouvement R autour de l'axe A1 par le levier de remise à zéro 63 au moyen de l'ensemble doigt 126 - gorge 124, par rapport au sautoir 123.If the speed of the movement N exerted on the pusher 21 induces a force on the jumper 95 - pin 96, preferably less than 25 N, the shockproof device 33 remains in the normal position and, in a third step, transmits to the delivery lever at zero 63 his movement. The resetting lever 63 is driven in the same retrograde rotation P around the axis A4 and, incidentally, its finger 83 and its arm 81. In a fourth step, the arm 81, by its movement O substantially oriented towards the cores 55, 57 and 59, comes into contact with the second roller of the post 66 and begins to train. By the kinematics of the resetting device 25, the movement O of the arm 81 of the reset lever 63 is successively translated by the movements L '(substantially opposite to L explained above) of the tenon 66, K' of the tenon 64 (substantially inverse to K explained above) and H 'of the hammer rocker 65 (substantially reverse to H explained above). However, the hammer rocker 65 being in a stable position by contact of the roller of its pin 72 against the lateral face 88 of the jumper 67, it exerts a counter-force to the movement O. Advantageously, during the start of the rotation P of the resetting lever 63 (that is to say before the fourth step), the force return on the pusher 21 felt by the user is generated mainly by the relative movement of the tip 125 of the intermediate lever 121 , which is driven according to the movement R about the axis A1 by the resetting lever 63 by means of the finger assembly 126 - groove 124, relative to the jumper 123.
Au début de la quatrième étape, l'effort de poussée sur le poussoir 21 doit donc contrer les efforts antagonistes conjugués exercés principalement par l'écartement J du sautoir 123 par rapport à la pointe 125 et l'écartement M de la partie verticale 82 du sautoir 67 par rapport à la cheville 72.At the beginning of the fourth step, the thrust force on the pusher 21 must therefore counteract the conjugate antagonistic efforts exerted mainly by the spacing J of the jumper 123 with respect to the tip 125 and the spacing M of the vertical portion 82 of the jumper 67 with respect to the ankle 72.
Préférentiellement aux deux tiers de la course du levier de remise à zéro 63, la cinquième étape est initiée. Elle correspond au moment où le galet de la cheville 72 de la bascule 65 dépasse le bord commun entre la face supérieure 86 et la face latérale 88 de la partie verticale 82 du sautoir 67. En effet, à ce moment, le mouvement N du poussoir 21 n'oblige plus le sautoir 67 à s'écarter selon le mouvement M mais au contraire autorise à ce que le sautoir 67 tende à revenir en position d'équilibre.Preferably to two thirds of the race of the reset lever 63, the fifth step is initiated. It corresponds to the moment when the roller of the peg 72 of the rocker 65 exceeds the common edge between the upper face 86 and the lateral face 88 of the vertical part 82 of the jumper 67. Indeed, at this moment, the movement N of the pusher 21 no longer requires the jumper 67 to move away according to the movement M but on the contrary allows that the jumper 67 tends to return to the equilibrium position.
Par conséquent sensiblement au début de la cinquième étape, la bascule de marteau 65 n'est plus déplacée par l'effort exercé sur le poussoir 21 mais sensiblement par la force exercée par la rotation trigonométrique de détente de la partie verticale 82 du sautoir 67 autour de l'axe A5. La fin du parcours du mouvement (H', K', L') du dispositif de remise à zéro 25 est alors « automatiquement » réalisé.Therefore substantially at the beginning of the fifth step, the hammer rocker 65 is no longer displaced by the force exerted on the pusher 21 but substantially by the force exerted by the rotation. trigonometric relaxation of the vertical portion 82 of the jumper 67 about the axis A5. The end of the movement path (H ', K', L ') of the reset device 25 is then "automatically" performed.
Comme visible à la figure 7, à la fin de la cinquième étape, le bras 81 du levier de remise à zéro 63 n'est plus en contact avec le deuxième galet du tenon 66 du marteau 61 et le galet de la cheville 72 de la bascule de marteau 65 siège contre la partie supérieure 86 du sautoir 67. Le mouvement de la bascule 65 a entraîné directement le tenon 64 du marteau 61 selon la translation K' dans la lumière 100 et, indirectement, le deuxième tenon 66 du marteau 61 selon la translation L' dans la lumière 102 de sorte que le marteau 61 est entré en contact avec les cœurs 55, 57 et 59. Le dispositif de remise à zéro 25 est donc à nouveau activé.As can be seen in FIG. 7, at the end of the fifth step, the arm 81 of the reset lever 63 is no longer in contact with the second roller of the post 66 of the hammer 61 and the peg of the peg 72 of the hammer rocker 65 seat against the upper part 86 of the jumper 67. The movement of the rocker 65 has driven directly the pin 64 of the hammer 61 according to the translation K 'in the light 100 and, indirectly, the second pin 66 of the hammer 61 according to the translation L 'in the light 102 so that the hammer 61 has come into contact with the cores 55, 57 and 59. The resetting device 25 is therefore activated again.
La configuration à double bras 60, 62 du marteau 61 comme expliqué ci-dessus permet d'améliorer l'équilibrage des forces de frappe des cœurs 55, 57, 59 par les butées 54, 56, 58 du marteau 61. De plus, avantageusement, les forces de frappe ne sont plus dépendantes de la force exercée sur la poussoir 21 mais de la force de détente du sautoir 67.The double-arm configuration 60, 62 of the hammer 61 as explained above makes it possible to improve the balancing of the striking forces of the cores 55, 57, 59 by the stops 54, 56, 58 of the hammer 61. Moreover, advantageously the striking forces are no longer dependent on the force exerted on the pusher 21 but on the relaxation force of the jumper 67.
On comprend donc, qu'à la fin de la cinquième étape, le mécanisme de chronographe 7 est désactivé et son dispositif indicateur 17 réinitialisé.It is therefore understood that at the end of the fifth step, the chronograph mechanism 7 is deactivated and its indicator device 17 reset.
Néanmoins, à tout moment, si l'effort exercé sur le poussoir 21 induit une force sur la liaison sautoir 95 - cheville 96 qui excède sensiblement 25 N, le levier de remise à zéro 63 n'est plus entraîné par le dispositif antichoc 33.Nevertheless, at any time, if the force exerted on the pusher 21 induces a force on the jumper 95 - pin 96 which substantially exceeds 25 N, the reset lever 63 is no longer driven by the shockproof device 33.
Les dispositifs antichoc 33 et 35 protègent ainsi le mécanisme de chronographe 7 contre les actionnements violents des poussoirs 19 et 21.The shockproof devices 33 and 35 thus protect the chronograph mechanism 7 against the violent actuations of the pushers 19 and 21.
Les dispositifs 33 et 35 protège le mécanisme de chronographe 7 également dans le cas où les deux poussoirs 1 19 et 21 sont actionnés en même temps. En effet, l'un 19 va tendre à rendre inactif le système de remise à zéro 25 et l'autre 21 , tendre à rendre actif le même système. Grâce aux dispositifs 33 et 35, dès qu'au moins une des liaisons 1 16 - 1 15 et 95 - 96 atteint son seuil de contrainte prédéterminé, préférentiellement égal à 25 N, elle se débraye et laisse à l'autre la commande du dispositif de remise à zéro 25. De la même manière, la roue crénelée 48 de la roue à colonne 45 ne risque pas d'être endommagée par un appui violent du doigt 83 du levier de remise à zéro 63. On peut voir également à la figure 7 que le dispositif d'uniformisation d'efforts 37 est dans sa position la plus éloignée par rapport à celle d'équilibre visible à la figure 3. On voit notamment que le déplacement relatif de la pointe 125 de la bascule intermédiaire 121 par rapport au sautoir 123 a été entièrement réalisé par le déplacement de la bascule intermédiaire 121. Cela est rendu possible par le déplacement de son doigt 122 dans la gorge 120 aménagée sur la commande 41.The devices 33 and 35 protect the chronograph mechanism 7 also in the case where the two pushers 1 19 and 21 are actuated at the same time. Indeed, one 19 will tend to make inactive the reset system 25 and the other 21, tend to make active the same system. Thanks to the devices 33 and 35, as soon as at least one of the links 1 16 - 1 15 and 95 - 96 reaches its predetermined stress threshold, preferably equal to 25 N, it disengages and leaves the other control of the reset device 25. Similarly, the castellated wheel 48 of the column wheel 45 is not likely to be damaged by a violent support the finger 63 of the reset lever 63. It can also be seen in FIG. 7 that the force equalization device 37 is in its position farthest away from that of equilibrium visible in FIG. see in particular that the relative displacement of the tip 125 of the intermediate lever 121 relative to the jumper 123 has been entirely achieved by the displacement of the intermediate lever 121. This is made possible by the movement of its finger 122 in the groove 120 arranged on the command 41.
Avantageusement, un simple relâchement du poussoir 21 va mécaniquement libérer la contrainte entre la pointe 125 de la bascule intermédiaire 121 et le sautoir 123. Le dispositif d'uniformisation d'efforts 37 tend alors à retrouver sa position d'équilibre et entraîne dans son déplacement le levier de remise à zéro 63 par l'ensemble doigt 126 - gorge 124 et, incidemment, la pièce principale 91 par l'ensemble cheville 96 - sautoir 95.Advantageously, a simple release of the pusher 21 will mechanically release the stress between the tip 125 of the intermediate lever 121 and the jumper 123. The effort equalization device 37 then tends to return to its equilibrium position and causes its displacement. the reset lever 63 by the finger assembly 126 - groove 124 and, incidentally, the main piece 91 by the assembly peg 96 - jumper 95.
Le mécanisme de chronographe 7 se retrouve donc à nouveau dans sa configuration de la figure 3. Le mécanisme de chronographe 7 est donc inactif, le dispositif de remise à zéro 25 est dans sa position active stable, le dispositif d'uniformisation d'efforts 37 est dans sa position d'équilibre et les cinématiques reliées aux poussoirs 19 et 21 dans leur position de repos.The chronograph mechanism 7 is thus found again in its configuration of FIG. 3. The chronograph mechanism 7 is therefore inactive, the resetting device 25 is in its stable active position, the force equalization device 37 is in its equilibrium position and the kinematics connected to the pushers 19 and 21 in their rest position.
Préférentiellement, afin que le toucher des poussoirs 19 et 21 soient sensiblement équivalents dans le temps, l'effort de désaccouplement des ensembles sautoir 1 15/95 - cheville 1 16/96 des dispositif antichoc 35/33 est supérieur à celui de l'ensemble pointe 125 - sautoir 123 qui est, lui- même, supérieur à celui des ensembles cheville 72 - faces 86/88 du sautoir 67. Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art. En particulier, le montage des ensembles lumière 47 - tenon 49 et/ou doigt 68/122/126 - gorge 69/120/124 peuvent être inversés sans que le fonctionnement de la pièce de d'horlogerie 1 n'en soit affecté. Cela est bien entendu valable pour d'autres montages d'ensembles de la pièce d'horlogerie.Preferably, so that the feel of pushers 19 and 21 are substantially equivalent over time, the disengagement force of the jumper assemblies 1 15/95 - peg 1 16/96 of the shockproof device 35/33 is greater than that of the assembly point 125 - jumper 123 which is, itself, greater than that of the sets peg 72 - 86/88 faces of the jumper 67. Of course, the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art. In particular, the mounting of the light assemblies 47 - pin 49 and / or finger 68/122/126 - groove 69/120/124 can be reversed without the operation of the timepiece 1 is affected. This is of course valid for other sets of sets of the timepiece.
De plus, les mouvements B, N d'actionnement des poussoirs 19, 21 ne sauraient se limiter à une translation, tout mouvement et/ou organe de commande autre qu'un poussoir peuvent être envisagés.In addition, the movements B, N actuating the pushers 19, 21 can not be limited to a translation, any movement and / or control member other than a pusher can be envisaged.
Pour simplifier la pièce d'horlogerie 1 , il peut également être envisagé qu'un des deux poussoirs 19, 21 commandent, c'est-à-dire poussent, directement leurs fonctions associées, c'est-à-dire sans dispositif antichoc 35, 33 intermédiaire. L'utilisation de galets ne saurait se limiter à l'exemple des figures comme expliqué ci-dessus mais toute pièce d'horlogerie peut en comporter moins ou plus ou/et de configuration différente (diamètre de l'axe sur lequel il sont monté, épaisseur du galet, etc.).To simplify the timepiece 1, it can also be envisaged that one of the two pushers 19, 21 control, that is to say, directly push their associated functions, that is to say without anti-shock device 35 , 33 intermediate. The use of rollers can not be limited to the example of the figures as explained above but any timepiece may comprise less or more and / or different configuration (diameter of the axis on which it is mounted, thickness of the roller, etc.).
Afin de rendre stable chaque état de la roue à colonne 45, il peut être prévu un sautoir qui coopère avec l'une de ses dentures. De plus, l'initiation du deuxième temps peut être réalisée avant ou après les deux tiers de la course de la commande 41. De manière similaire, l'initiation du deuxième temps peut être réalisée avant ou après les deux tiers de la course du levier de remise à zéro 63. Enfin, une came peut être aménagée sur l'extrémité de la bascule de marteau 65 qui entre en contact avec le galet de la cheville 51 afin de modifier l'évolution et l'intensité de la force nécessaire au pivotement de ladite bascule de marteau par la commande 41. In order to make each state of the column wheel 45 stable, it may be provided a jumper which cooperates with one of its teeth. In addition, the initiation of the second time can be performed before or after two-thirds of the stroke of the control 41. Similarly, the initiation of the second time can be performed before or after two-thirds of the stroke of the lever 63. Finally, a cam can be arranged on the end of the hammer rocker 65 which comes into contact with the roller of the peg 51 in order to modify the evolution and the intensity of the force required for pivoting. of said hammer rocker by the control 41.

Claims

REVENDICATIONS
1. Pièce d'horlogerie (1) comportant un boîtier (11) dans lequel sont montés des systèmes (3, 5, 7, 9) destinés à faire fonctionner ladite pièce et contrôlés par des organes de commande (15, 21, 19) faisant saillis dudit boîtier, au moins un des organes de commande (15, 19, 21) coopérant avec un dispositif antichoc (33, 35) monté dans le boîtier (11) et comportant une pièce principale (91, 111) montée mobile par rapport au boîtier (11) caractérisée en ce que la pièce principale (91, 111) comprend une liaison mécanique permanente avec la partie (63, 41) dudit chacun des systèmes (25, 23) auxquels ledit au moins un organe de commande est rattaché, qui autorise son découplage dudit au moins un organe de commande (15, 19, 21) de manière réversible lorsqu'un effort supérieur à un seuil prédéterminé est exercé sur ledit au moins un organe de commande. 1. Timepiece (1) comprising a housing (11) in which systems (3, 5, 7, 9) are mounted for operating said workpiece and controlled by control members (15, 21, 19) protruding from said housing, at least one of the control members (15, 19, 21) cooperating with an anti-shock device (33, 35) mounted in the housing (11) and having a main part (91, 111) mounted movably relative to the housing (11) characterized in that the main part (91, 111) comprises a permanent mechanical connection with the part (63, 41) of each of the systems (25, 23) to which the said at least one control member is attached, which allows its decoupling of said at least one control member (15, 19, 21) in a reversible manner when a force greater than a predetermined threshold is exerted on said at least one control member.
2. Pièce d'horlogerie (1) selon la revendication 1, caractérisée en ce que ladite liaison mécanique qui est du type à glissement.2. Timepiece (1) according to claim 1, characterized in that said mechanical connection which is of the sliding type.
3. Pièce d'horlogerie (1) selon la revendication 2, caractérisée en ce que la liaison du type à glissement comporte un sautoir (95, 115) monté élastiquement par rapport à une cheville (96, 116). 3. Timepiece (1) according to claim 2, characterized in that the sliding type connection comprises a jumper (95, 115) resiliently mounted relative to an ankle (96, 116).
4. Pièce d'horlogerie (1) selon l'une des revendications 1 à 3, caractérisée en ce que ledit au moins un organe de commande est monté à translation sur le boîtier (11).4. Timepiece (1) according to one of claims 1 to 3, characterized in that said at least one control member is mounted in translation on the housing (11).
5. Pièce d'horlogerie (1) selon l'une des revendications 1 à 4, caractérisée en ce que la pièce principale (91, 111) est montée dans le boîtier (11) de la même manière (A4, A1) que la partie (63, 41) dudit chacun des systèmes (25, 23) auxquels elle est rattachée.Timepiece (1) according to one of claims 1 to 4, characterized in that the main part (91, 111) is mounted in the housing (11) in the same way (A4, A1) as the part (63, 41) of each of the systems (25, 23) to which it is attached.
6. Pièce d'horlogerie (1) selon l'une des revendications précédentes, caractérisée en ce qu'elle comporte deux organes de commande (19, 21) du type poussoir qui contrôlent un système du type mécanisme de chronographe (7), chacun des poussoirs (19, 21) comportant un dispositif antichoc (35, 33) permettant de protéger le mécanisme de chronographe (7).6. Timepiece (1) according to one of the preceding claims, characterized in that it comprises two control members (19, 21) of the push type which control a system of the type chronograph mechanism (7), each pushers (19, 21) having an anti-shock device (35, 33) for protecting the chronograph mechanism (7).
7. Pièce d'horlogerie (1 ) selon la revendication 6, caractérisée en ce qu'elle comporte en outre un dispositif d'uniformisation d'efforts (37) reliant les deux poussoirs (19, 21 ) afin de garder une différence de résistance à l'enfoncement desdits poussoirs sensiblement équivalente au cours du temps.7. Timepiece (1) according to claim 6, characterized in that it further comprises a force equalization device (37) connecting the two pushers (19, 21) to maintain a difference in resistance at the depression of said pushers substantially equivalent over time.
8. Pièce d'horlogerie (1 ) selon la revendication 7, caractérisée en ce que le dispositif d'uniformisation d'efforts (37) comporte une bascule (121 ) destinée à écarter (J) un sautoir (123) afin de permettre la fourniture d'une force de résistance à l'enfoncement sensiblement équivalente pour les deux poussoirs (19, 21 ).8. Timepiece (1) according to claim 7, characterized in that the force equalization device (37) comprises a rocker (121) for spacing (J) a jumper (123) to allow the providing a substantially equivalent driving resistance force for the two pushers (19, 21).
9. Pièce d'horlogerie (1 ) selon les revendications 8, 7 et 6 dépendante de la revendication 3, caractérisée en ce que le sautoir (123) du dispositif d'uniformisation (37) et le sautoir (115) d'un des dispositifs antichoc (35) forment une même pièce (127) afin de partager les mêmes moyens de fixation (1 17, 1 18).9. Timepiece (1) according to claims 8, 7 and 6 dependent on claim 3, characterized in that the jumper (123) of the uniformization device (37) and the jumper (115) of one of anti-shock devices (35) form a single piece (127) to share the same fastening means (1 17, 1 18).
10. Pièce d'horlogerie (1 ) selon la revendication 8 ou 9, caractérisée en ce que la force de résistance du dispositif d'uniformisation d'efforts (37) est inférieure audit seuil prédéterminé d'effort nécessaire pour débrayer chaque dispositif antichoc (33, 35).10. Timepiece (1) according to claim 8 or 9, characterized in that the resistance force of the force equalization device (37) is less than said predetermined threshold force required to disengage each shockproof device ( 33, 35).
11. Pièce d'horlogerie (1 ) selon l'une des revendications 1 à 10, caractérisée en ce que la force de découplage de la liaison mécanique est sensiblement égale à 25 N afin d'éviter toute détérioration dudit chacun des systèmes. 11. Timepiece (1) according to one of claims 1 to 10, characterized in that the decoupling force of the mechanical connection is substantially equal to 25 N to prevent deterioration of each of the systems.
EP08865980A 2007-12-21 2008-12-16 Shock absorber device for the control member of a timepiece Active EP2269119B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08865980A EP2269119B1 (en) 2007-12-21 2008-12-16 Shock absorber device for the control member of a timepiece

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07150323A EP2073077A1 (en) 2007-12-21 2007-12-21 Shockproof device for a timepiece control element
PCT/EP2008/067664 WO2009083441A1 (en) 2007-12-21 2008-12-16 Shock absorber device for the control member of a timepiece
EP08865980A EP2269119B1 (en) 2007-12-21 2008-12-16 Shock absorber device for the control member of a timepiece

Publications (2)

Publication Number Publication Date
EP2269119A1 true EP2269119A1 (en) 2011-01-05
EP2269119B1 EP2269119B1 (en) 2011-08-31

Family

ID=39689474

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07150323A Withdrawn EP2073077A1 (en) 2007-12-21 2007-12-21 Shockproof device for a timepiece control element
EP08865980A Active EP2269119B1 (en) 2007-12-21 2008-12-16 Shock absorber device for the control member of a timepiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07150323A Withdrawn EP2073077A1 (en) 2007-12-21 2007-12-21 Shockproof device for a timepiece control element

Country Status (7)

Country Link
US (1) US8434934B2 (en)
EP (2) EP2073077A1 (en)
JP (1) JP5270689B2 (en)
CN (1) CN101946214B (en)
AT (1) ATE522846T1 (en)
HK (1) HK1152999A1 (en)
WO (1) WO2009083441A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2453322B1 (en) 2010-11-16 2013-07-17 Omega SA Fast time quantity indicator corrector for a timepiece
US8851743B1 (en) * 2011-08-23 2014-10-07 Invicta Watch Company Of America, Inc. Trigger mechanism for a chronograph watch
EP2602675B1 (en) * 2011-12-08 2014-08-27 ETA SA Manufacture Horlogère Suisse Timepiece movement comprising a chronograph mechanism with column wheel
EP2945029B1 (en) * 2014-05-15 2017-05-31 Patek Philippe SA Genève Chronograph locking device (Device for a clock piece)
EP3176650B1 (en) * 2015-12-02 2019-02-06 Nivarox-FAR S.A. Protection of a timepiece component with micro-machinable material
CH713375B1 (en) * 2017-01-18 2020-12-30 Zenith Succursale De Lvmh Swiss Mft Sa Chronograph mechanism comprising a device for simultaneously resetting the duration indicators.
EP3851919B1 (en) * 2020-01-20 2024-05-01 Patek Philippe SA Genève Repositioning device for timepieces
EP4407385A1 (en) * 2023-01-27 2024-07-31 Patek Philippe SA Genève Clock spring of a functional member of a clock mechanism

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FR972399A (en) * 1941-03-01 1951-01-29 Hatot Leon Ets Improvements to manual control devices and watch cases and other devices
US3676995A (en) * 1969-04-16 1972-07-18 Seiko Instr & Electronics Return mechanism for a stopwatch or a chronograph
JPS5238434B1 (en) * 1971-06-02 1977-09-29
US3832844A (en) * 1972-06-02 1974-09-03 Citizen Watch Co Ltd Push button type display correction mechanism on a timepiece
CH500073A4 (en) * 1973-04-06 1976-02-13
CN2052128U (en) * 1989-08-11 1990-01-31 烟台宝石轴承厂 Reed of shockproof device in mechanical watch
CH678911B5 (en) * 1990-04-12 1992-05-29 Ebauchesfabrik Eta Ag
EP1674165A1 (en) * 2004-12-22 2006-06-28 ETA SA Manufacture Horlogère Suisse Vibrating device having means for protection against mechanical shocks for a portable device

Non-Patent Citations (1)

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Title
See references of WO2009083441A1 *

Also Published As

Publication number Publication date
US20110002198A1 (en) 2011-01-06
EP2269119B1 (en) 2011-08-31
CN101946214B (en) 2013-04-03
ATE522846T1 (en) 2011-09-15
WO2009083441A1 (en) 2009-07-09
JP5270689B2 (en) 2013-08-21
US8434934B2 (en) 2013-05-07
JP2011520090A (en) 2011-07-14
EP2073077A1 (en) 2009-06-24
CN101946214A (en) 2011-01-12
HK1152999A1 (en) 2012-03-16

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