EP4068010A1 - Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung - Google Patents
Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung Download PDFInfo
- Publication number
- EP4068010A1 EP4068010A1 EP21165508.9A EP21165508A EP4068010A1 EP 4068010 A1 EP4068010 A1 EP 4068010A1 EP 21165508 A EP21165508 A EP 21165508A EP 4068010 A1 EP4068010 A1 EP 4068010A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inhibition
- fixed
- wheel
- watch
- mechanical
- 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.)
- Pending
Links
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000010355 oscillation Effects 0.000 claims description 3
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- 230000008901 benefit Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
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- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Images
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
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks
-
- 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
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
-
- 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
- G04B17/285—Tourbillons or carrousels
Definitions
- the invention relates to a mechanical watch with a device for adjusting its operation in particular by inhibition.
- the mechanical movement watch can preferably be a tourbillon watch, which is mounted at the level of the escapement.
- the tourbillon carriage surrounds the escapement mechanism and preferably the carriage performs a complete rotation every minute.
- a tourbillon also called a "rotating cage”
- a tourbillon is a horological complication, added to the escapement mechanism, intended to improve the precision of mechanical watches by counterbalancing the disturbances of the isochronism of the resonator due to the earth's gravity.
- the fundamental criterion which characterizes a tourbillon, in relation to a carousel in particular, is the presence of a fixed gear train on which the tourbillon cage meshes.
- the tourbillon cage is rotatably mounted between two fixing points.
- Gravity is also taken into account to compensate for all disturbances in the isochronism of the resonator.
- the escapement is coupled to the resonator. It interacts with it once or twice per period of oscillation.
- the angle traveled by the resonator during the interaction is called the lift angle.
- the rest of the resonator's path is called an additional angle or arc.
- Adjustments of operation or walking implying adjustments of the exact frequency of the oscillator to ensure rotation of the displays in accordance with time, of the mechanical movement of a shows are known. These adjustments generally consist in modifying, for example, the inertia of the hairspring balance wheel or in modifying the length of the hairspring as such, that is to say with a modification of the return torque of the spring.
- These adjustment methods are only accessible by the watchmaker after the watch has been dismantled and require considerable expertise and great dexterity, in particular when it comes to adjusting a tourbillon watch.
- the patent EP 2 615 506 B1 describes a timepiece having a display system with a rapid correction device.
- Correction means of the correction device comprise a toothed wheel integral with an inner sun gear and driven in rotation by a correction finger.
- the predetermined pitch of the correction device is given by the number of teeth of the toothed wheel, of the correction means.
- the toothed wheel will preferably comprise 7 teeth to correct the calendar by a step equal to one day.
- the correction means also include a jumper to block the toothed wheel outside of the correction phases.
- a leaf spring imposes a pivoting of a rocker with a correction finger and the spring jumper integral with the rocker.
- the rapid correction device does not can be applied convincingly for a device linked to a watch tourbillon.
- a mechanical watch having a device for adjusting its operation by inhibition that is easy to make and allowing easy adjustment of the rate of the watch, or even allowing, with the appropriate interface, adjustment walking by the user without opening the watch, mainly preferably in a mechanical tourbillon watch in order to overcome the drawbacks of the devices of the prior art.
- the invention relates to a mechanical watch provided with a device for adjusting its operation, which comprises the characteristics defined in independent claim 1.
- An advantage of the mechanical watch with the device for adjusting its operation according to the invention lies in the fact that it can be provided to move freely in particular the second wheel, which is defined as the fixed second wheel for the correction of the displayed time of the watch, in particular seconds.
- the fixed seconds wheel is linked, for a tourbillon watch, to the assembly of the tourbillon carriage, the oscillator and the escapement mechanism.
- the fixed second wheel is mounted to rotate freely on a plate, for example around a ball bearing.
- the inhibition adjustment mechanism can be adjusted by modifying its period for a constant correction, or the inhibition adjustment mechanism can be adjusted by modifying its correction value for a constant period correction.
- the inhibition mechanism can be defined to ensure negative inhibition (delay in the rate of the watch) in a manner similar to the inhibitions of quartz movements, but it can also be defined to ensure positive inhibition (advancement of the rate ).
- the adjustment of the inhibition mechanism can be carried out by the user of the watch by means of a crown rod accessible from outside the watch case.
- the watch with a mechanical movement can be a tourbillon watch, the carriage of which encloses an oscillator and an escapement mechanism as explained below, or according to a traditional mechanical movement without a tourbillon, which will be briefly explained below.
- the present invention in the case of a tourbillon watch, allows free rotation of the fixed seconds wheel of the tourbillon, in particular by assembling it on a mounting plate of the mechanical movement by means of a so-called guide without friction.
- the so-called frictionless guide can preferably be a ball bearing.
- a correction can be made by rotating the seconds wheel in a positive direction.
- the watch comprises a device for adjusting its operation having a mechanism for maintaining the second wheel fixed in a position in normal operation, and which can modify its position by a given angle, which corresponds to the time to be corrected at intervals of fixed times.
- a device for adjusting its operation having a mechanism for maintaining the second wheel fixed in a position in normal operation, and which can modify its position by a given angle, which corresponds to the time to be corrected at intervals of fixed times.
- the inverse function that is to say a correction of a fixed angle at intervals defined for the correction.
- the figure 1 and 2 represent a top view and a partial transverse section from top to bottom of the movement of a mechanical watch 1 having a device for adjusting its operation in particular by inhibition.
- the present invention proposes an alternative to adjusting the rate or operation of a mechanical movement of a watch by means of a mechanical function which is similar to the adjustment by inhibition of a quartz watch.
- this may be a modification of the display of a defined value at a defined frequency, for example.
- the present invention proposes to have access to this setting without opening the watch case for a setting made directly by the user of the watch.
- the watch 1 with mechanical movement having the device for adjusting its operation in particular by inhibition is represented more completely in figure 1 .
- the spindle 23 comprises peripheral toothing for meshing with a coaxial pinion 22 of a large medium wheel 21, which rotates via peripheral toothing a toothed pinion 20 shown in picture 2 in a position coaxial with the middle wheel 10.
- a large part of the components of the mechanical movement are mounted on a plate 50.
- the going train shown mainly by the large middle wheel 21 and by the middle wheel 10 comprises in principle one or two other wheels, not described or not shown, to define the hours, the minutes, and the seconds for indicating the time in particular for driving hands not shown on at least one watch dial not shown for displaying the time.
- the going train is arranged between a source of energy which is the spring barrel 25, and an escapement mechanism, for example with a Swiss lever 13 and having an escapement mobile 11 in the form of a wheel, retained and released alternately by an oscillator 14, which is preferably a spiral balance wheel and whose energy for maintaining it in oscillation is provided by said escape wheel set.
- the escape wheel set 11 is arranged to be able to rotate in the same direction of rotation with each half-oscillation of the oscillator 14.
- a tourbillon cage 15 of the mechanical watch 1 encloses an oscillator 14, and the escapement mechanism which comprises at least the escape wheel set 11.
- the tourbillon cage 15 is driven in rotation by the middle wheel 10 of the going train which meshes with a second pinion 5 coaxial with the tourbillon cage and with the fixed second wheel 2.
- the second pinion 5 passes freely in an opening of the plate 50 around which is fixed the ball bearing 6 holding the fixed seconds wheel 2 on the plate 50.
- the rotation of the tourbillon cage 15 rotates the escapement mechanism, via a toothed escapement pinion 12 coaxial with the escapement wheel set 11, resting on the toothing on the periphery of the fixed seconds wheel 2.
- the fixed seconds wheel 2 preferably comprises at least one first toothing 2a on the periphery meshing with the escapement toothed pinion 12 coaxial with said escapement wheel set 11.
- This annular peripheral toothing 2a of the fixed seconds wheel 2 can be arranged in elevation relative to the base of the fixed seconds wheel 2.
- This peripheral ring with teeth 2a is therefore on a cylindrical support starting from the base of the fixed seconds wheel 2.
- Another peripheral toothing 2b of the wheel fixed second wheel 2 is preferably arranged in the base plane of fixed second wheel 2.
- This second peripheral toothing 2b is used to rotate fixed second wheel 2 in a positive direction, which is clockwise. clockwise, or in a negative direction, which is counter-clockwise.
- the device for adjusting the operation of the watch 1 acts via this second toothing 2b as explained below to correct a certain duration or time, here which are seconds.
- the fixed second wheel 2 is rotatably mounted on the plate 50 via a so-called frictionless guide, which in this case is a ball bearing 6. Thanks to this ball bearing 6 and to the watch operation adjustment device 1 described below, it is possible to turn the fixed seconds wheel 2 for clockwise or counterclockwise correction. show.
- the device for adjusting the operation of the watch by inhibition allows adjustment to be carried out in a positive direction, that is to say in the direction of clockwise 1, without limitation to the fact that the adjustment can be carried out also in a negative direction, that is to say in the counter-clockwise direction, but not shown, or also for a correction in both directions of rotation.
- the device for adjusting the operation by inhibition of the watch 1 is now described according to an embodiment shown in figure 1 and 2 for correction via the inhibition fixed second wheel 2 clockwise.
- the device for adjusting operation by inhibition of the watch comprises at least one mechanism for acting or maintaining the fixed second inhibition wheel 2.
- a first inhibition member 3 capable of acting on the rotation of the fixed second inhibition wheel 2 in a correction phase.
- the first inhibition member 3 may comprise a controller such as a leaf spring, one end 33 of which in the form of a tooth is intended to come into contact with the second peripheral toothing 2b of the fixed second inhibition wheel 2 to make it rotate during a correction phase.
- This first inhibition member 3 is mounted on the plate 50 or on an average bridge 51 between a controller bridge 30 and the plate 50 or the average bridge 51.
- the first inhibition member 3 comprises a rod 31 which normally at an upper end is inserted into an oblong-shaped opening 32 of the controller bridge 30.
- the upper end of the rod 31 can be configured to follow the side walls of the oblong-shaped opening oriented in the direction of the second fixed inhibition 2.
- a movement in one direction straight line can be made.
- This end of rod 31 can also be pushed by a feeler located on a wheel of the going train, not shown.
- the device for adjusting the operation by inhibition of the watch also comprises a second inhibition member 4, which can be mounted directly on the plate 50.
- the second inhibition member 4 can be screwed onto the plate 50.
- This second inhibition member 4 also comprises a leaf spring of which a free end 44 in the form of a tooth is inserted between two teeth of the second peripheral toothing 2b of the fixed inhibition second 2.
- This second inhibition member 4 is defined as an inhibition jumper to hold the fixed inhibition second wheel 2 without movement in a defined position following the correction, for example, of the first inhibition member.
- the first inhibition member 3 By acting with the first inhibition member 3 against the second peripheral toothing 2b of the fixed seconds inhibition wheel 2, it is possible to carry out a correction by turning the fixed seconds wheel in particular in the direction of clockwise. a watch of +6° corresponding to one second (corresponding to the modification of the tourbillon reference). This correction can be carried out at fixed time intervals, for example over a full day.
- the first inhibition member 3 such as a controller
- the controller moves back and forth and drives a certain number of teeth of the second peripheral toothing 2b of the second fixed inhibition wheel 2.
- the number of driven teeth depends on the position of the inhibition eccentric, which is the second inhibition member 4.
- the inhibition can still be adjusted by manipulating this eccentric.
- inhibition member can be imagined provided that they allow rapid correction of the time displayed by the mechanical watch.
- the fixed second inhibition wheel 2 may alternatively comprise a single peripheral circular toothing 2a or 2b meshing on the one hand with the escapement toothed pinion 12 coaxial with said escapement wheel set 11 and on the other hand with the inhibition members 3, 4 of the device for adjusting the operation of the watch 1.
- a differential gear train may be provided, which makes it possible to achieve the equivalent to the solution described above for a gear train not comprising a tourbillon for a traditional movement.
- the mechanical movement may be a traditional mechanical movement with a fixed inhibition second wheel.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21165508.9A EP4068010A1 (de) | 2021-03-29 | 2021-03-29 | Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21165508.9A EP4068010A1 (de) | 2021-03-29 | 2021-03-29 | Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4068010A1 true EP4068010A1 (de) | 2022-10-05 |
Family
ID=75277819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21165508.9A Pending EP4068010A1 (de) | 2021-03-29 | 2021-03-29 | Mechanische armbanduhr mit einer vorrichtung zur funktionsregulierung durch hemmung |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP4068010A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2615506B1 (de) | 2012-01-10 | 2014-06-25 | Montres Breguet SA | Vorrichtung zur Schnellkorrektur eines Anzeigesystems |
US20170060090A1 (en) * | 2015-08-31 | 2017-03-02 | Glashuetter Uhrenbetrieb Gmbh | Mechanical clockwork movement with an adjustable tourbillon |
EP3193216B1 (de) * | 2016-01-13 | 2019-09-25 | Richemont International S.A. | Uhrwerksmechanismus mit tourbillon |
-
2021
- 2021-03-29 EP EP21165508.9A patent/EP4068010A1/de active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2615506B1 (de) | 2012-01-10 | 2014-06-25 | Montres Breguet SA | Vorrichtung zur Schnellkorrektur eines Anzeigesystems |
US20170060090A1 (en) * | 2015-08-31 | 2017-03-02 | Glashuetter Uhrenbetrieb Gmbh | Mechanical clockwork movement with an adjustable tourbillon |
EP3193216B1 (de) * | 2016-01-13 | 2019-09-25 | Richemont International S.A. | Uhrwerksmechanismus mit tourbillon |
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