EP2799937B1 - Corps d'amortisseur d'un balancier d'un oscillateur d'horlogerie - Google Patents

Corps d'amortisseur d'un balancier d'un oscillateur d'horlogerie Download PDF

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Publication number
EP2799937B1
EP2799937B1 EP14161245.7A EP14161245A EP2799937B1 EP 2799937 B1 EP2799937 B1 EP 2799937B1 EP 14161245 A EP14161245 A EP 14161245A EP 2799937 B1 EP2799937 B1 EP 2799937B1
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EP
European Patent Office
Prior art keywords
shock
absorber body
bridge
balance
absorber
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.)
Active
Application number
EP14161245.7A
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German (de)
English (en)
French (fr)
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EP2799937A1 (fr
Inventor
Jean-Louis Bertrand
Benoît Boulenguiez
Frédéric Burger
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.)
Rolex SA
Original Assignee
Rolex SA
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Filing date
Publication date
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Priority to EP14161245.7A priority Critical patent/EP2799937B1/fr
Publication of EP2799937A1 publication Critical patent/EP2799937A1/fr
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Publication of EP2799937B1 publication Critical patent/EP2799937B1/fr
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Anticipated expiration legal-status Critical

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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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02—Shock-damping bearings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49581—Watch or clock making having arbor, pinion, or balance

Definitions

  • the invention relates to a damper body for an assembled balance of a clockwork oscillator or a damper body for an assembled balance of a clockwork oscillator. It also relates to a shock absorber comprising such a shock absorber body. It also relates to an assembly comprising such a shock absorber body and a bridge, in particular a balance bridge. The invention also relates to a watch movement or a timepiece, in particular a watch, comprising such a movement or such a damper or such a damper body. The invention also relates to a method for producing or assembling an assembly comprising such a shock absorber body and a bridge, in particular a balance bridge. Finally, the invention relates to a method for setting the mark for a watch movement comprising such a damper body and a bridge, in particular a balance bridge.
  • the traditional assembly of a balance-spring oscillator within a watch movement is carried out by means of a set of parts predisposed on the balance bridge which are designed to allow the movement of the oscillator in rotation and thus allow easy setting of the escapement so that at neutral or equilibrium position, the center of the balance plate pin is on the line connecting the pivoting of the anchor and the balance.
  • the outer end of the spiral spring is usually fixed to the balance bridge by a fixing device, for example a stud holder, which is movable in rotation relative to the balance axis.
  • this device is guided radially around the bearing which is provided to pivot the oscillator, so that the movement of the outer end of the spiral spring is not perfectly concentric with the balance axis on which is fixed. the inner end of the spiral spring.
  • a setting operation, or a shock risks inducing a radial displacement of the outer end of the spiral spring relative to its inner end. This situation results in a degradation of the chronometry of the watch movement, in particular in terms of isochronism.
  • a first solution, particularly economical, is disclosed in the patent CH316832 .
  • This consists in implementing a balance bridge, a deformable arm of which acts as a piton holder.
  • the outer end of the hairspring can thus be moved by a certain angle by bending the deformable zone of the bridge when it comes to carrying out small retouching of the mark.
  • This design has the major drawback of being able to move the peg freely in space.
  • a benchmarking operation risks both distorting the parallelism of the spiral spring relative to the plane of the movement, and also of distorting the distance between the pin and the balance axis in the plane of the movement, which induces important chronometric defects, in particular at the isochronism level.
  • the eyebolt is in the form of a split ring, the elasticity of which allows it to be adjusted and maintained in a determined angular position around a conical portion of a cockpit which is screwed onto the bridge. pendulum.
  • This embodiment has two flaws. It is very difficult to guarantee perfect centering between the balance axis and the cockle.
  • the eyebolt carrier is deformed during assembly, and it is therefore difficult to control the location of the eyebolt in the plane of movement relative to the center. of the cockerel. It is therefore not possible to allow a perfectly concentric movement of the pin relative to the balance axis.
  • the document EP1798609 discloses a device allowing fine adjustment of the registration by means of additional means.
  • This device also uses an elastic eyebolt holder designed to rotate around a shock absorber of a balance axis. This design makes it possible to finely adjust the rotation of the eyebolt relative to the shock absorber, but does not allow its radial travel to be corrected. This solution therefore does not make it possible to respond to the technical problem.
  • the object of the invention is to provide a shock absorber body of a balance assembled with a clock oscillator making it possible to remedy the disadvantages mentioned above and improve the shock absorber bodies known from the prior art.
  • the invention proposes a simple and reliable shock absorber body making it possible to carry out a setting without deterioration of the chronometric performance.
  • a shock absorber body according to the invention is defined by claim 1.
  • the shock absorber body may comprise a clamping element, in particular one or more screws, intended to press a surface of a bridge against a surface of a fixing element so as to immobilize the fixing element relative to the bridge, in particular by friction.
  • a shock absorber according to the invention is defined by claim 7.
  • a watch movement according to the invention is defined by claim 10.
  • a timepiece according to the invention is defined by claim 11.
  • a registration method according to the invention is defined by claim 12.
  • a method of producing an assembly according to the invention is defined by claim 13.
  • the invention also relates to a watch movement or an assembly obtained by implementing the setting process or the production process defined above.
  • the timepiece comprises a first embodiment of a watch movement 100.
  • the watch movement comprises a balance bridge 2 making it possible to pivot an oscillator 8 in cooperation with a plate (not shown).
  • the oscillator is in particular pivoted via a damper 111 mounted on the balance bridge.
  • the oscillator comprises in particular an assembled balance 6, that is to say a balance mounted on a shaft 7.
  • the watch movement is not fully represented: only the balance bridge 2 and the oscillator 8 are represented.
  • the balance bridge 2 comprises a bore 102 in which the damper 111 is mounted.
  • the balance bridge includes a first bearing surface 102a at a first end of the bore and a second bearing 102b at a second end of the bore.
  • the bridge also includes fixing elements allowing its mounting on the plate of the watch movement (not shown on the figures 1 to 3 ).
  • the damper 111 comprises a damper body 11 of the assembled balance 6 of the clockwork oscillator 8.
  • the damper body comprises a portion 11a for guiding the damper body 11 for its mounting on the bridge 2, in particular in the bore 102.
  • the shock absorber body is slidably mounted in the bore 102.
  • the shock absorber body comprises a bearing 11c cooperating for example with the first bearing 102a to axially stop the damper body, directly or via an elastic element such as a spring washer.
  • the damper body 11 comprises an element 13 for fixing an outer end of a spiral spring 5 of the oscillator.
  • the fixing element also comprises a bearing surface 13a cooperating with the second bearing surface 102b to axially stop the shock absorber body, directly or via an elastic element such as an elastic washer 14.
  • the element 13 for fixing the outer end of the spiral spring of the oscillator is attached, advantageously driven out, on a receiving portion 11b of the damper body.
  • the portion 11b is for example cylindrical of revolution.
  • the fixing element 13 is driven out on the portion 11b until it comes into contact with a bearing surface located at the end of the portion 11b of the shock absorber body 11.
  • the damper body 11 is in one piece or comes from the same part.
  • the shock absorber body 11 may consist of several parts.
  • the shock absorber 111 comprises for example, in addition to the shock absorber body, mounted in the latter, a pivot stone, a counter-pivot stone and a spring for retaining the latter in the body.
  • the element for fixing the outer end of the spring is a eyebolt holder.
  • the fixing element of the outer end of the spring may be of another type, in particular a fixing element as disclosed in the document. EP2437126A1 .
  • the fixing element may be provided to fix one or more outer ends of a spiral spring of an oscillator.
  • Such a fastening element has a bearing surface 63, 64 at least partially complementary and substantially parallel to a bearing surface 61, 62 of the spiral spring 5, in particular a bearing surface of a connecting member 59 coming from manufacture with the spiral spring, and fixing means 65, 66, 69, 70, 67, 68 which make it possible to retain these surfaces or to immobilize these surfaces one against the other or one with respect to the 'other.
  • Such fixing means is particularly suitable for a spiral spring made of a fragile material, such as silicon, diamond or quartz.
  • the fixing means comprise holes 65, 66 on the fixing element and pins 69, 70 intended to be attached to the holes.
  • the fixing means make it possible to keep the bearing surfaces pressed against one another.
  • the pins can pass through holes 67, 68 provided in the connecting member.
  • the damper body advantageously comprises a friction element 16 opposing the free rotation of the damper body relative to the bridge.
  • the friction element comprises for example the elements 11c, 13a, 102a and 102b. More particularly, the shoulders or spans 11c, 13a, are intended to come from either side of the bridge, in particular to abut against the spans 102a and 102b of the bridge.
  • the friction element may comprise an elastic return element 14.
  • the elastic return element 14 is an elastic plate provided with at least one projection 14a, 14b which is intended to be received. within a counter form 2a, 2b made on the balance bridge 2 and thus prevent any angular displacement of the elastic element relative to the balance bridge in order to control the axial force that it produces and therefore the friction torque .
  • the friction torque is completely determined by the phenomenon of friction taking place at the interface of the surfaces 11c and 102a. It follows that when a torque is exerted which tends to drive in rotation, in a certain direction, the shock absorber body relative to the bridge, a friction torque opposite to this displacement is applied by the bridge to the shock absorber body .
  • the fixing element of the outer end of the hairspring is secured, at least in rotation, to the oscillator bearing, consisting of a damper which is attached to the balance bridge.
  • the fixing element of the outer end of the hairspring is secured to the damper of the balance axis.
  • a stud holder is used which is provided to fix the outer end of the hairspring in a conventional manner by studding.
  • the setting of the mark is carried out in a conventional manner by acting directly on the eyebolt holder.
  • the shock absorber body may be provided with means to allow the rotation of the shock absorber - eyebolt holder assembly.
  • the watch movement comprises a balance bridge 22 making it possible to pivot an oscillator 8 in cooperation with a plate (not shown).
  • the balance bridge 22 comprises a bore 122 in which the damper 121 is mounted.
  • the balance bridge includes a first bearing 122a at a first end of the bore and a second bearing 122b at a second end of the bore.
  • the bridge also includes fixing elements allowing it to be mounted on a plate of the watch movement (not shown).
  • the damper 121 comprises a damper body 21 of the assembled balance 6 of the clockwork oscillator 8.
  • the damper body comprises a portion 21a for guiding the damper body 21 for its mounting on the bridge 22, in particularly in the bore 122.
  • the shock absorber body is slidably mounted in the bore 122.
  • the shock absorber body comprises a bearing surface 21c cooperating with the first bearing surface 122a of the bridge 22 in order to axially stop the damper body, directly or via an elastic element 24 such as an elastic washer.
  • the elastic element 24 is interposed or disposed between the bridge and the shock absorber body.
  • the damper body 21 comprises a member 23 for fixing an outer end of a spiral spring 5 of the oscillator.
  • the fixing element also comprises a surface 23a cooperating with the second surface 122b of the bridge 22 to axially stop the shock absorber body, directly or via an elastic element such as a spring washer.
  • the fixing element 23 is attached, advantageously driven out, on a receiving portion 21b of the shock absorber body intended to receive the element 23 for fixing the outer end of the spiral spring of the oscillator.
  • the portion 21b is for example cylindrical of revolution.
  • the fixing element 23 is driven out on the portion 21b until it comes into contact with a bearing surface located at the end of the portion 21b.
  • the shock absorber body is in one piece or comes from the same part.
  • the shock absorber comprises for example, in addition to the shock absorber body, mounted in the latter, a pivot stone, a counter-pivot stone and a spring for retaining the latter in the body.
  • the fixing element of the outer end of the spiral spring has a bearing surface which is at least partially complementary and substantially parallel to a bearing surface of the spiral spring, in particular a bearing surface d 'a connecting member from manufacture with the spiral spring, and fixing means which allow these surfaces to be retained.
  • the damper body advantageously comprises a friction element 26 opposing the free rotation of the damper body relative to the bridge.
  • the friction element comprises, for example, elements 21c, 23a, 122a and 122b. More particularly, the shoulders or spans 21c, 23a, are intended to come from either side of the bridge, in particular to abut against the spans 122a and 122b of the bridge.
  • the friction element may comprise an elastic return element 24, in particular an elastic washer.
  • this elastic washer is in the form of a Belleville washer, the stiffness of which makes it possible to generate an axial force suitable for allow the maintenance of the damper assembly - fixing element of the outer end of the spiral spring of the oscillator in a given angular position, and this independently of any additional means.
  • the shock absorber body comprises a drive zone 21d in rotation about its longitudinal axis 9 which also constitutes the axis of the balance.
  • the drive zone may comprise a specific conformation, such as a knurling or a notch or a toothing or flats or a polygonal conformation or any suitable geometry, to allow a rotational drive of the shock absorber body, in particular by means of 'a tool.
  • a rotational movement of the damper body makes it possible to move in rotation the element 13 for fixing the outer end of the spiral spring of the oscillator and therefore to carry out an easy adjustment of the reference mark.
  • a third embodiment of a watch movement is described below with reference to figures 8 and 9 .
  • the watch movement comprises a balance bridge 32 making it possible to pivot an oscillator 8 in cooperation with a plate (not shown).
  • the balance bridge 32 includes a bore 132 in which the damper 131 is mounted.
  • the balance bridge includes a first bearing surface 132a at a first end of the bore and a second bearing surface 132b at a second end of the bore.
  • the bridge also includes fixing elements allowing it to be mounted on a plate of the watch movement (not shown).
  • the damper 131 comprises a damper body 31 of the assembled balance 6 of the clockwork oscillator 8.
  • the damper body comprises a portion 31a for guiding the damper body 31 for its mounting on the bridge 32, in particularly in the bore 132.
  • the shock absorber body is slidably mounted in the bore 132.
  • the shock absorber body comprises a bearing surface 31c cooperating with the first bearing surface 132a of the bridge 32 to axially stop the damper body, directly or via an elastic element 34 such as a spring washer.
  • the elastic element 34 is interposed or disposed between the bridge and the shock absorber body.
  • the damper body 31 comprises a member 33 for fixing an outer end of a spiral spring 5 of the oscillator.
  • the fixing element also comprises a bearing surface 33a cooperating with the second bearing surface 132b of the bridge 32 to axially stop the damper body, directly or via an elastic element such as a spring washer.
  • the fixing element 33 is attached, advantageously driven out, on a receiving portion 31b of the shock absorber body intended to receive the element 33 for fixing the outer end of the spiral spring of the oscillator.
  • the portion 31b is for example cylindrical of revolution. Again advantageously, the fixing element 33 is driven out on the portion 31b until it comes into contact with a bearing surface located at the end of the portion 31b.
  • the shock absorber body is made in two pieces: a barrel 31 'and a head 31 ".
  • the head 31" is fixed or assembled on the barrel 31', for example by screwing.
  • the barrel 31 'and the head 31 "could for example be secured or assembled during assembly of the balance bridge.
  • the damper body advantageously comprises a friction element 36 opposing the free rotation of the damper body relative to the bridge.
  • the friction element comprises for example the elements 31c, 33a, 132a, 132b. More particularly, the shoulders or spans 31c, 33a, are intended to come from either side of the bridge, in particular to abut against the spans 132a and 132b of the bridge.
  • the friction element may comprise an elastic return element 34, in particular an elastic washer, in particular a Belleville type washer.
  • the shock absorber body comprises a drive zone 31d in rotation around its longitudinal axis 9.
  • the adjustment of the setting is carried out easily by acting directly on the shock absorber body.
  • the damper comprises for example, in addition to the damper body, mounted in the latter, a pivot stone, a counter-pivot stone and a spring for retaining the latter in the body.
  • the fixing element of the outer end of the spiral spring has a bearing surface which is at least partially complementary and substantially parallel to a bearing surface of the spiral spring, in particular a bearing surface of a connecting member manufactured with the spiral spring, and fixing means which make it possible to retain these surfaces.
  • a fourth embodiment of a watch movement is described below with reference to figures 10 and 11 .
  • the watch movement comprises a balance bridge 42 making it possible to pivot an oscillator 8 in cooperation with a plate (not shown).
  • the balance bridge 42 includes a bore 142 in which the damper 141 is mounted.
  • the balance bridge comprises a first bearing 142a at a first end of the bore and a second bearing 142b at a second end of the bore.
  • the bridge also includes fixing elements allowing it to be mounted on a plate of the watch movement (not shown).
  • the damper 141 comprises a damper body 41 of the assembled balance 6 of the clockwork oscillator 8.
  • the damper body comprises a portion 41a for guiding the damper body 41 for its mounting on the bridge 42, in particularly in the bore 142.
  • the shock absorber body is slidably mounted in the bore 142.
  • the damper body 41 comprises a member 43 for fixing an outer end of a spiral spring 5 of the oscillator.
  • the fixing element also comprises a bearing surface 43a cooperating with the second bearing surface 142b to axially stop the damper body, directly or via an elastic element such as an elastic washer.
  • the fixing element 43 is attached, advantageously driven out, on a portion 41b for receiving the shock absorber body intended to receive the element 43 for fixing the outer end of the spiral spring of the oscillator.
  • the portion 41b is for example cylindrical of revolution. Again advantageously, the fixing element 43 is driven out on the portion 41b until it comes into contact with a bearing surface located at the end of the portion 41b.
  • the shock absorber body is in one piece or comes from the same part.
  • the shock absorber comprises for example, in addition to the shock absorber body, mounted in the latter, a pivot stone, a counter-pivot stone and a spring for retaining the latter in the body.
  • the fixing element of the outer end of the spiral spring has a bearing surface which is at least partially complementary and substantially parallel to a bearing surface of the spiral spring, in particular a bearing surface d 'a connecting member from manufacture with the spiral spring, and fixing means which allow these surfaces to be retained.
  • the damper body advantageously comprises a friction element 46 opposing the free rotation of the damper body relative to the bridge.
  • the friction element may comprise an elastic return element 44.
  • the elastic element 34 is interposed or disposed between the bridge and the shock absorber body considering 45a, 45b as forming part of the fixing element 43. from the outer end of the hairspring.
  • additional elements such as screws 45a, 45b are provided in order to strengthen the retention of the element 43 for fixing the outer end of the hairspring. More particularly, these screws can be screwed into internal threads 47a, 47b of the fixing element 43 and can pass through oblong cutouts 46a, 46b formed on the balance bridge 42. In this case, a slight unscrewing of these screws allows the rotation of the shock absorber body and of the fixing element around axis 9, to perform a setting operation. However, the rotation is not completely free, a friction torque opposing the rotation of the shock absorber body is defined by the action of the friction element producing in particular pressure between the bearing 43a and the second bearing 142b of the bridge 42.
  • the friction element 46 in particular the elastic return element 44, can be removed from the damper body 41.
  • the angular position of the damper body and that of the fastening element are established by at least one screw 45a, 45b.
  • a slight unscrewing of these screws makes it possible to allow the rotation of the shock absorber body and of the fixing element around the axis 9 with a minimum resistive torque.
  • the setting of the mark is effected by acting directly on the fixing element of the outer end of the hairspring.
  • a fifth embodiment of a watch movement is described below with reference to figure 12 .
  • This fifth embodiment differs from the previous one only in that the damper body is made in one piece with the fixing element of the outer end of the hairspring.
  • the damper body or the damper comprises a clamping element, in particular one or more screws, intended to press a surface of the bridge against a surface of the fixing element so as to immobilize the fixing element relative to the bridge, in particular by friction.
  • the invention also relates to an assembly, a movement or a timepiece comprising a damper body, in particular a damper body as described in one of the preceding embodiments and a bridge.
  • the invention relates to an assembly in which the conformations of the shock absorber body, such as the bearing surfaces and the conformations of the bridge, such as the bearing surfaces, cooperate by obstacle to retain in one direction or in both directions in the direction of l 'axis of the shock absorber body, the shock absorber body relative to the axle.
  • Such a method comprises an action for positioning the damper body by rotation about its longitudinal axis 9.
  • this action is exerted by a watchmaker, optionally via a tool on the body of a damper as described in second and third embodiments, in particular on a drive zone 21d, 31d of the shock absorber body.
  • this action can be exerted on the fixing element of the outer end of the spiral spring of the oscillator as described in the first, fourth and fifth embodiments.
  • step b. can be implemented after step a ..
  • step a. can be implemented after step b ..
  • Step d. can be implemented after step c.
  • step c. can be implemented after step d ..
  • part of the shock absorber body - fixing element sub-assembly is introduced into the bore. from the bridge.
  • This sub-assembly can also be referred to as a shock absorber body.
  • the production method can comprise a step of implementing the marking method described above.
  • any watch movement or assembly obtained by implementing the production method or the marking method mentioned above constitutes an object of the present invention.
  • a radial clearance between the shock absorber body and the balance bridge is advantageously provided to so as to allow rotation of the damper and of the fixing element of the outer end of the hairspring relative to the balance bridge.
  • a washer or elastic plate can also be provided to cooperate with these elements in order to generate an adequate friction torque and thus allow easy adjustment of the setting of the oscillator mark, and possibly advantageously allow the retention of the fixing device. of the outer end of the hairspring in a given angular position.
  • a shock absorber is mounted on a balance bridge.
  • the shock absorber can be mounted on a plate or any other bridge shaped to pivot an assembled balance.
  • the shock absorber comprises, in addition to the shock absorber body, mounted therein, a pivot stone, a counter-pivot stone and a spring for retaining the latter in the body.
  • the shock absorber in addition to the shock absorber body, can comprise a single stone acting as a pivot stone and / or counter-pivot stone and possibly a spring for retaining this stone in the body.
  • the shock absorber can comprise a one-piece shock absorber body provided with means for pivoting and longitudinal deflection of the assembled balance. In the latter configuration, the shock absorber can thus be limited to the shock absorber body. This shock absorber body can be in one piece or consist of several parts.
  • the fixing element of the outer end of the hairspring can be arranged under the balance bridge to axially retain the damper body in a first direction.
  • a bearing surface of the damper body may be provided to axially retain the damper body in a second direction.
  • screws can axially fix the components, that is to say axially fix the fixing element on the balance bridge.
  • a friction spring can be arranged coaxially with the shock absorber body.
  • the spring is provided to hold the shock absorber body vis-à-vis the bridge.
  • Such a spring cannot be likened to a washer intended to hold in friction a racket vis-à-vis a piton holder.
  • a friction spring preferably has a center of symmetry formed by the pivot axis of the shock absorber body.
  • a friction spring is preferably in the form of an elastic washer, in particular a Belleville washer.
  • the shock absorber body can be made in a single part, that is to say it is made in a single piece. comprising in particular the housing for receiving components of the shock absorber, such as stones, and the element for fixing the outer end of the spiral spring of the oscillator.
  • the shock absorber body can be made in several parts, for example a first part comprising the housing for receiving components of the shock absorber and a second part comprising the fixing element of the outer end of the shock absorber. spiral spring of the oscillator.
  • first part and second part are attached to one another, for example driven one onto the other.
  • the first and second parts are thus immobilized relative to each other.
  • the first and second parts are at least immobilized in rotation with respect to each other relative to the axis of rotation of the assembled balance.
  • the expression “device for fixing the outer end of a spiral spring” is understood to mean a device for fixing at least one outer end of at least one leaf of a spiral spring.
  • the term “assembled balance” is understood to mean an assembly comprising or consisting of a balance shaft, a balance, a plate and a ferrule, the balance, the plate and the ferrule being mounted on the balance shaft.
  • assembly balance means a balance mounted on its axis or its shaft.
  • This assembled balance can be provided to cooperate with any type of watch escapement, in particular a Swiss lever escapement, or a detent escapement, or even a Robin escapement.
  • the assembled balance is not part of the shock body or shock absorber.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP14161245.7A 2013-05-01 2014-03-24 Corps d'amortisseur d'un balancier d'un oscillateur d'horlogerie Active EP2799937B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14161245.7A EP2799937B1 (fr) 2013-05-01 2014-03-24 Corps d'amortisseur d'un balancier d'un oscillateur d'horlogerie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13166102 2013-05-01
EP14161245.7A EP2799937B1 (fr) 2013-05-01 2014-03-24 Corps d'amortisseur d'un balancier d'un oscillateur d'horlogerie

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Publication Number Publication Date
EP2799937A1 EP2799937A1 (fr) 2014-11-05
EP2799937B1 true EP2799937B1 (fr) 2020-09-16

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Country Status (4)

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US (1) US9632483B2 (zh)
EP (1) EP2799937B1 (zh)
JP (1) JP6483345B2 (zh)
CN (1) CN104133362B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3021173B1 (fr) * 2014-11-14 2017-05-24 Blancpain S.A. Masse oscillante annulaire et pièce d'horlogerie comportant une telle masse oscillante
JP6710041B2 (ja) 2014-11-27 2020-06-17 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ ヒゲゼンマイ固定システム
EP3067756B1 (fr) * 2015-03-09 2017-11-22 Nivarox-FAR S.A. Ensemble pivotant pour une pièce d'horlogerie
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CN104133362A (zh) 2014-11-05
US20140328150A1 (en) 2014-11-06
EP2799937A1 (fr) 2014-11-05
JP6483345B2 (ja) 2019-03-13
US9632483B2 (en) 2017-04-25
JP2014219385A (ja) 2014-11-20
CN104133362B (zh) 2021-05-18

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