EP2735921B1 - Porte-échappement d'horlogerie - Google Patents

Porte-échappement d'horlogerie Download PDF

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Publication number
EP2735921B1
EP2735921B1 EP13198164.9A EP13198164A EP2735921B1 EP 2735921 B1 EP2735921 B1 EP 2735921B1 EP 13198164 A EP13198164 A EP 13198164A EP 2735921 B1 EP2735921 B1 EP 2735921B1
Authority
EP
European Patent Office
Prior art keywords
balance
bearing
escapement
bridge
pallet lever
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
EP13198164.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2735921A2 (fr
EP2735921A3 (fr
Inventor
Ivan Villar
Marc Lippuner
Sacha Vorpe
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP13198164.9A priority Critical patent/EP2735921B1/fr
Publication of EP2735921A2 publication Critical patent/EP2735921A2/fr
Publication of EP2735921A3 publication Critical patent/EP2735921A3/fr
Application granted granted Critical
Publication of EP2735921B1 publication Critical patent/EP2735921B1/fr
Active legal-status Critical Current
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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/022—Bridges
    • 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
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears

Definitions

  • the invention relates to an assembly for an escapement of a clockwork movement, comprising an escapement bridge, a balance bridge, an anchor for controlling an escape wheel in cooperation with a rocker arm, said exhaust bridge carrying a lower anchor bushing for guiding a lower anchor pivot of said anchor, and said balance bridge carrying an upper anchor bushing for guiding an upper anchor pivot of said anchor.
  • the invention also relates to a watch movement comprising at least one such exhaust-door assembly.
  • the invention also relates to a timepiece comprising at least one such movement.
  • the invention also relates to a method of adjusting the balance of a removable escape door assembly for a watch movement, comprising at least one spiral spring and at least one balance provided with a plate, and a wheel of exhaust controlled by an anchor arranged to cooperate with said plate.
  • the invention relates to the field of watchmaking, and more particularly to the field of watches comprising movements equipped with modular subassemblies.
  • the usual means for adjusting the balance stage are generally composed of attached elements, such as screws, nuts, springs, or the like, which make it possible to mechanically create an adjustment.
  • the increase in the number of components related to the presence of these adjustment means increases the price of the movement components, and increases the number of assembly operations, and therefore the total cost.
  • the document EP 1804 142 A1 in the name of ETA SA and OMEGA SA describes a device for adjusting the play of a mobile rotating between two bearings, one in a bridge and the other in a plate.
  • the adjusting means comprise a distance adjusting element between a base of the bridge and the plate, this adjusting element having a first hole for the passage of a clamping screw and being actuable by a second hole machined in this base and passing through it. .
  • the clamping screw is introduced into this second hole to fix the base with the plate, but is not in place in this second hole when actuating this adjustment element from the upper face of the bridge opposite the plate and by this second hole to adjust the frolicking of the rotating wheel.
  • the document EP 1804 143 A1 in the name of ETA SA and OMEGA SA describes, for a similar rotating rotor, a control means formed on the one hand by a conventional fixing means of a first part of the deck to the plate leaving this first part in a relatively fixed position. to the plate, and, secondly, by means of deformation of the bridge, which is arranged to vary the relative position between a second part of the bridge and the plate by deforming the bridge.
  • These first and second parts of the bridge are intended for actuation of this deformation means of this bridge causes a variation in the distance between the first bearing and the second bearing.
  • PORTESCAP describes an assembly constituted by an anchor of a time instrument and a plate, where auxiliary portion of the anchor and the walls of a notch of the plate define the angle of rotation of the anchor relative to platinum.
  • the invention proposes to provide an exhaust-door module, easily integrable into a movement and already adjusted.
  • the invention sets the favorable conditions for performing an irreversible adjustment.
  • the exhaust module of the invention is developed so that its assembly is achievable in an automated manner, and in particular in a direction and in a single direction. All components shall be capable of being set up, fixed, adjusted, in combination with each other, on one side of a mounting surface only.
  • the invention relates to a removable exhaust-carrying assembly for a watch movement, this assembly being defined in the independent claim 1.
  • the invention relates to the field of watchmaking, and more particularly to the field of watches comprising movements equipped with modular subassemblies.
  • the invention thus relates to an exhaust-door module, easily integrable in a movement, in particular by centering and pivoting, and already adjusted.
  • This exhaust-door module is irreversibly adjusted, as to the balance of the balance at the stage of the subassembly, before mounting in a movement.
  • the invention seeks to create the conditions for perfect reproducibility, since any escapement module resulting from automated production must be perfectly switchable with another.
  • This exhaust module is developed so that its assembly is achievable in an automated manner, and in particular in a direction and in a single direction. All components are set up, fixed, adjusted, in combination with each other, on one side of a mounting surface.
  • a detachable exhaust assembly 1 for watch movement 100 comprises an oscillator or a balance spring-balance assembly 2, itself comprising at least one spiral spring 5 and at least one balance 3 provided with a tray 4.
  • the exhaust-carrying assembly 1 may comprise another type of oscillator, in particular without a spiral spring, for example an oscillator of magnetic and / or electrostatic nature.
  • an oscillator communicates a periodic movement to a mobile pivoting about a pivot axis
  • the application presented here for the preferred case of a balance-spiral assembly is transposable without any limitation to another type of oscillator, the reasoning that follows and which is related to the adjustment of the frog of a pendulum being adapted to the setting of the frog of a oscillator wheel moved periodically and transmitting a periodic authorization for pivoting to an escape wheel or the like.
  • the present execution is therefore absolutely not restrictive.
  • the exhaust-carrying assembly 1 also comprises an escape wheel 6, here controlled by an anchor 7 arranged to cooperate with the plate 4.
  • the exhaust-carrying assembly 1 comprises an exhaust bridge 10.
  • This exhaust bridge 10 comprises, on either side of a lower surface 11 equipped with guide bearings, a first 20 and a second 21 spacers respectively comprising a first 22 and a second 23 bearing surfaces. These bearing surfaces are arranged to receive a first 24 and a second 25 complementary surfaces that includes a rocker bridge 30, on either side of an upper surface 11A of this rocker bridge 30.
  • This upper surface 11A is equipped with guide bushes, which face those of the lower surface 11.
  • the rocker bridge 30 is positioned relative to said exhaust bridge 10 by first 31 and second 32 positioning means, which are preferably formed respectively at the first 22 and the second 23 bearing surfaces.
  • the upper surface 11A of the rocker bridge 30 is more flexible in bending than the lower surface 11 of the exhaust bridge 10, so as to allow mobility, under the action of a force with normal component applied to the upper surface 11A, the first complementary surface 24 relative to the first bearing surface 22 when the second complementary surface 25 is held locked in position on the second bearing surface 23, or vice versa.
  • the reverse configuration of an exhaust bridge 30 which is more flexible than the rocker bridge 30 is also conceivable, but it is much less convenient for the realization of a fully executed assembly on one side of a surface of reference, which is constituted by the lower surface 11.
  • the lower surface 11 of the exhaust bridge 10 is equipped with a pin 9 for fixing the at least one hairspring 5, a lower bearing pad 12 for the guide of a lower pivot pin 13 of the balance 3, a lower anchor pad 14 for guiding a lower anchor pivot 15 of the anchor 7, and a lower exhaust pad 16 for guiding a lower exhaust pivot 17 of the escape wheel 6.
  • first 31 and second 32 positioning means are respectively formed at the level of the first 22 and the second 23 bearing surfaces, here in the form of pins 33 and 35, respectively. , which can be mounted during the same first mounting operation.
  • the other of the spacers here the second spacer 21
  • the second spacer 21 provides a second surface support 23 split into two bearing surfaces 23A and 23B, each having a positioning pin, respectively 35A and 35B.
  • the precise positioning of the balance bridge 30, in a plane perpendicular to the pivoting axes of the various mobiles, can be provided by only one of the spacers, here the second spacer 21.
  • the second spacer is recessed locally and comprises a chamber 19 allowing the free rotation of the escape wheel 6.
  • the second spacer 21 offers the advantage a high rigidity of the exhaust bridge 10 in the vicinity of the exhaust pad 16, which ensures the constancy of the position of this pad relative to the pins 35A and 35B.
  • the upper surface 11A that the balance bridge 30 comprises is equipped with an upper balance bearing 12A for guiding an upper balance pivot 13A of the balance 3, an upper anchor bearing 14A for guiding an upper anchor pivot 15A of the anchor 7, and an upper exhaust bearing 16A for guiding an upper exhaust pin 17A of the escape wheel 6.
  • a female / male configuration, or a mixed configuration can be adopted instead of the male / female configuration illustrated by the figures.
  • the bearings of the balance bridge 30 are advantageously mounted and fixed in place in a pre-assembly operation, where the upper surface 11A is turned towards the assembly means, as the lower surface 11 is in its first mounting operation corresponding to the figure 1 .
  • a second assembly operation consists in completing the equipment of the pre-equipped exhaust bridge 10 by positioning and mounting, in their respective bearings, the at least one spiral spring 5 and its pegging on the stud 9, the at least one rocker 3, the escape wheel 6, and the anchor 7, as visible on the figure 2 .
  • the rocker bridge 30 faces the exhaust bridge 10, so as to match its housings 34 and 36 with the tenons 33 and 35 of the exhaust bridge 10, and so that the upper bushings guide the upper pivots concerned, respectively are the upper arm bearing 12A with the upper balance pivot 13A of the balance 3, the upper exhaust bearing 16A with the upper exhaust pivot 17A of the exhaust 6, and the upper anchor pad 14A with the upper anchor pivot 15A of the anchor 7.
  • This third mounting operation is completed in a position of maximum approximation of the exhaust bridge 10 and the rocker bridge 30, as visible on the figure 3
  • the rocker 3 is pinched at least on the lower pivot of balance 13 against the lower bearing pad 12, or / and on the upper balance pivot 13A against the bearing Upper balance 12A.
  • the pendulum 3 is thus pinched in the bracing position, and can not rotate under the effect of a reasonable torque, that is to say of the same order of magnitude as that which is applied to it in service by the oscillator, or by the spiral spring 5 in this case.
  • the second bearing surface 23 of the second spacer 21 is in contact with the second complementary surface of the rocker bridge 30.
  • a fourth adjustment operation consists of the release of the balance and the adjustment, at a minimum value, of the play of the balance 3.
  • the figure 4 shows in broken line a deformed D obtained under the effect of this effort F, which is small in magnitude, but sufficient to change the relative positioning of the pivots and bearing pads of the balance 3, and release it.
  • This effort F is of a just sufficient intensity to allow the free pivoting of the balance 3 under the effect of a tangential force T applied to a serge 3A that includes the balance 3 as shown in FIG. figure 3 until the release of the balance 3.
  • This tangential force T is reflected by the application, on the balance 3, of a torque lower than the reference torque applied to it in service by the oscillator, or by the spring -spiral 5 in this case.
  • the torque resulting from the tangential force T applied during this adjustment operation is much lower than this reference torque, in particular less than one-tenth of the value of the latter. In practice, it is advantageously applied in the form of an air flow on the serge 3A.
  • the rocker bridge 30 is then fixed in the particular position, thus obtained as soon as the rocker 3 is released, from the first complementary surface 24 relative to the first bearing surface 22, while the second surface complementary 25 is kept locked in position on the second bearing surface 23.
  • This particular position thus corresponds to a setting of the play of the balance 3 corresponding to the position closest to each other of the exhaust bridge 10 and the balance bridge 30, in which the balance 3 is free in pivoting.
  • the hairspring 5 is disposed between the lower surface 11 and the shank 3A of the balance 3, and the anchor 7 is disposed on the opposite side, between the seam 3A and said upper surface 11A.
  • This particularity of the spiral 5 placed under the serge 3A is allowed if one chooses a pendulum without raquetterie.
  • the anchor 7 is pivotally mounted, by the cooperation of a lower anchor pad 14 for guiding a lower anchor pivot 15 on the one hand, and an upper anchor pad 14A for guiding an upper anchor pivot 15A on the other hand, the pivot axis defined by these pivots being external to the strut 3A of the balance 3.
  • the fact of pushing the pivoting of the anchor on the outside serge avoids the use of an anchor bridge.
  • the figure 5 illustrates a first variant where the pivoting of the anchor 7 is limited by limiting pins 37, 38, protruding from the upper surface 11A of the balance bridge 30, which limit the movement of an arm 41 that includes this anchor 7.
  • the figure 6 illustrates a second variant where an arm 41 that includes the anchor 7 carries a limiting pin 39 which is movable in a slot 40 that includes the rocker bridge 30, to limit the pivoting of the anchor 7.
  • the invention also relates to a watch movement 100 comprising at least one such exhaust-carrying assembly 1.
  • the escape wheel 6 in an assembled position of this exhaust-carrying assembly 1, the escape wheel 6 cooperates with a gear train that includes this movement 100 externally to this exhaust-door assembly 1.
  • the invention also relates to a timepiece 1000 comprising at least one such movement 100.
  • the invention proposes a movement with a new architecture, a spiral under the serge, an anchor over the serge, and no raquetterie.
  • the new architecture makes it possible to mount the exhaust door assembly on the same side in an automated manner.
  • the system of adjusting the balance of the balance is without patches.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Prostheses (AREA)
  • Pyridine Compounds (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Vibration Prevention Devices (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP13198164.9A 2011-08-29 2011-08-29 Porte-échappement d'horlogerie Active EP2735921B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13198164.9A EP2735921B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11179181.0A EP2565730B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie
EP13198164.9A EP2735921B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP11179181.0A Division-Into EP2565730B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie
EP11179181.0A Division EP2565730B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie

Publications (3)

Publication Number Publication Date
EP2735921A2 EP2735921A2 (fr) 2014-05-28
EP2735921A3 EP2735921A3 (fr) 2014-10-29
EP2735921B1 true EP2735921B1 (fr) 2017-10-04

Family

ID=44741215

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13198164.9A Active EP2735921B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie
EP11179181.0A Active EP2565730B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11179181.0A Active EP2565730B1 (fr) 2011-08-29 2011-08-29 Porte-échappement d'horlogerie

Country Status (6)

Country Link
US (2) US8641268B2 (zh)
EP (2) EP2735921B1 (zh)
JP (2) JP5411333B2 (zh)
CN (2) CN102968038B (zh)
HK (2) HK1183115A1 (zh)
RU (1) RU2589637C2 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2735921B1 (fr) * 2011-08-29 2017-10-04 ETA SA Manufacture Horlogère Suisse Porte-échappement d'horlogerie
EP2787399B1 (fr) * 2011-12-13 2015-07-29 ETA SA Manufacture Horlogère Suisse Mouvement mécanique d'horlogerie modulaire à modules fonctionnels
CH707808B1 (fr) * 2013-03-19 2017-05-15 Nivarox Far Sa Cassette de mécanisme d'horlogerie.
EP2781966B1 (fr) * 2013-03-19 2018-05-02 Nivarox-FAR S.A. Ancre de mécanisme d'échappement d'horlogerie
EP2781969B1 (fr) 2013-03-19 2017-05-03 Nivarox-FAR S.A. Composant monobloc indémontable d'horlogerie
EP2804054B1 (fr) * 2013-05-17 2020-09-23 ETA SA Manufacture Horlogère Suisse Dispositif anti-adhésion d'un spiral sur un pont
EP2813903B1 (fr) * 2013-06-14 2017-11-29 ETA SA Manufacture Horlogère Suisse Réglage mécanique de l'ébat d'un mobile d'horlogerie
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
EP3118692B1 (fr) * 2015-07-16 2018-12-26 Nivarox-FAR S.A. Fixation de ressort-spiral d'horlogerie par collage
EP3182216B1 (fr) * 2015-12-18 2019-08-28 Montres Breguet S.A. Oscillateurs couplés d'horlogerie
CN109254517B (zh) * 2017-07-12 2023-11-07 天津海鸥表业集团有限公司 一种手表的擒纵调速模块及应用
EP3812846A1 (fr) * 2019-10-24 2021-04-28 ETA SA Manufacture Horlogère Suisse Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie
EP4006649A1 (fr) * 2020-11-27 2022-06-01 ETA SA Manufacture Horlogère Suisse Dispositif de fixation de réglage d'ébat de balancier
US20220390896A1 (en) 2021-06-03 2022-12-08 Rolex Sa Timepiece oscillator assembly device
EP4148505A1 (fr) 2021-09-08 2023-03-15 Rolex Sa Module horloger

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FR1545748A (fr) * 1966-09-21 1968-11-15 Us Times Corp Pont pour balancier d'instruments d'horlogerie
US3483693A (en) * 1968-01-22 1969-12-16 Us Time Corp The Adjustable horological balance bridge
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JPS513002Y1 (zh) * 1970-12-28 1976-01-28
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EP2224292B1 (fr) * 2009-02-26 2012-10-10 Rolex Sa Echappement à impulsion directe, notamment à détente, pour mouvement d'horlogerie
EP2735921B1 (fr) * 2011-08-29 2017-10-04 ETA SA Manufacture Horlogère Suisse Porte-échappement d'horlogerie

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Also Published As

Publication number Publication date
CN104076677B (zh) 2017-04-12
CN104076677A (zh) 2014-10-01
JP2013047677A (ja) 2013-03-07
US8961002B2 (en) 2015-02-24
US8641268B2 (en) 2014-02-04
CN102968038B (zh) 2014-12-17
JP2014041156A (ja) 2014-03-06
RU2589637C2 (ru) 2016-07-10
US20130051190A1 (en) 2013-02-28
EP2565730B1 (fr) 2017-11-01
JP5411333B2 (ja) 2014-02-12
EP2735921A2 (fr) 2014-05-28
CN102968038A (zh) 2013-03-13
US20140112110A1 (en) 2014-04-24
HK1183115A1 (zh) 2013-12-13
HK1202649A1 (zh) 2015-10-02
RU2012136863A (ru) 2014-03-10
EP2565730A1 (fr) 2013-03-06
EP2735921A3 (fr) 2014-10-29
JP5856129B2 (ja) 2016-02-09

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