EP2787400A1 - Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus - Google Patents

Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus Download PDF

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Publication number
EP2787400A1
EP2787400A1 EP13001686.8A EP13001686A EP2787400A1 EP 2787400 A1 EP2787400 A1 EP 2787400A1 EP 13001686 A EP13001686 A EP 13001686A EP 2787400 A1 EP2787400 A1 EP 2787400A1
Authority
EP
European Patent Office
Prior art keywords
cage
actuating
stop
movement according
timepiece movement
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
EP13001686.8A
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English (en)
French (fr)
Other versions
EP2787400B1 (de
Inventor
Sylvain Perret
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.)
Chopard Technologies SA
Original Assignee
Chopard Technologies 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 Chopard Technologies SA filed Critical Chopard Technologies SA
Priority to ES13001686.8T priority Critical patent/ES2593815T3/es
Priority to EP13001686.8A priority patent/EP2787400B1/de
Priority to JP2014049093A priority patent/JP6307952B2/ja
Priority to CN201410118131.XA priority patent/CN104102121B/zh
Publication of EP2787400A1 publication Critical patent/EP2787400A1/de
Priority to HK14110239.4A priority patent/HK1196880A1/zh
Application granted granted Critical
Publication of EP2787400B1 publication Critical patent/EP2787400B1/de
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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
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of unbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels

Definitions

  • the present invention relates to a tourbillon watch movement and pendulum stop mechanism.
  • the vortex is a well-known device, which serves to compensate for the variations in speed due to gravity by making the regulating member take all the vertical positions.
  • a vortex comprises in particular a rotating cage in which are mounted a balance-sprung regulating member and an escapement.
  • the rotating cage is driven by the gear train and the exhaust pinion meshes with a fixed second wheel.
  • the pendulum stop mechanisms also called “stop-pendulum” or “stop-second”, have the function of stopping the pendulum during the time setting to allow a restart of the movement at a chosen instant, for for example, to phase the second hand with a reference second.
  • These mechanisms generally include, as described for example in the patent EP 1840677 , an elastic arm operable by the time setting rod and whose end may come into contact with the periphery of the balance to stop its friction oscillation.
  • an elastic arm can not be used because, in certain angular positions of the cage, it would be impeded by pillars of said cage located radially beyond the periphery of the beam.
  • Patent applications WO 03/048871 and WO 2012/140112 and the patent EP 1617305 propose different solutions to solve this problem.
  • the device described in the application WO 03/048871 comprises a spring with a double V or U-shaped elastic arm controlled by the time setting rod and arranged so that, when one of the arms bears against one pillar of the cage, the other arm can still act on the pendulum to stop it.
  • This device has several disadvantages some of which are mentioned in the patent EP 1617305 and recalled in the application WO 2012/140112 .
  • the realization of the double spring elastic arm is complicated and this spring, given its great length, also requires a setting difficult to achieve.
  • the device described in the patent EP 1617305 comprises levers mounted on the cage and capable of coming into contact with the periphery of the rocker to block it when an action is exerted on at least one of said levers by a sliding shoe actuated by the time-setting rod.
  • This device also has several disadvantages, some of which are mentioned in the application WO 2012/140112 . It includes many parts (levers, pads, feet-screws, sockets, etc.), which means a complex assembly. Some pieces are complex to make, such as stops for skates. In addition, all the components of the stop device are at the periphery of the cage.
  • the device described in the application WO 2012/140112 comprises a flexible bent blade disposed under the beam and having a free end adapted to come into contact with the balance beam.
  • the other end of this flexible bent blade rests on an actuating ring integral in rotation with the shaft of the tourbillon cage and slidably mounted along this shaft. Moving from the actuating ring is controlled by the movement of the time setting rod.
  • the actuating ring is further subjected to the action of a bent blade return spring fixed at one of its ends to the shaft of the cage and at its other end to the actuating ring.
  • Such a device is disadvantageous in that the bent flexible blade and the return spring are difficult to manufacture and shape.
  • such a device occupies an important place in the direction of the shaft of the cage, which makes it difficult to integrate into a thin movement.
  • such a device is not suitable for serrated, sectoral or split serge balancers.
  • the present invention aims to remedy, in part at least, the aforementioned drawbacks and proposes for this purpose a tourbillon clockwork movement and balance stop mechanism, the tourbillon comprising a cage and a rocker mounted in the cage, the cage comprising a lower cage portion and an upper cage portion connected by pillars, the stop mechanism comprising a stop member integral in rotation with the cage and adapted to come into contact with the balance to stop it and a actuating device for the stopping element, characterized in that the stopping element is in the form of a disk coaxial with the cage, traversed by the pillars and having an outer periphery located radially beyond the pillars, and in that the actuating device comprises at least one actuating element adapted to cooperate with said outer periphery to move the disc along the axis of the cage so as to causing the balance to stop by friction between the disk and the balance.
  • the disk comprises, between an inner periphery and said outer periphery, holes in which the pillars respectively pass.
  • the clockwork according to the invention may further comprise elastic means for returning the disk to a rest position, where the disk will be held axially supported by the elastic means against a surface of the cage.
  • the elastic means may comprise coil springs guided around guide elements fixed to the cage and extending parallel to the axis of the cage.
  • the actuating device may comprise two actuating elements arranged to act on the disk at diametrically opposite peripheral regions of the disk.
  • one of the actuating elements can be arranged to control the other actuating element.
  • the or each actuating element is in the form of a lever arranged to pivot in the plane of the disk and having a bevel able to lift the disk during pivoting of the lever.
  • the actuating device further comprises a time setting rod and means for actuating the actuating element (s) from the time setting rod.
  • Said actuating means may comprise a pull tab cooperating with the time setting rod and an intermediate lever arranged to be actuated by the pull tab and for actuating the actuating element (s) against the action of at least one spring of return tending to bring the actuating element (s) into a rest position.
  • said actuating means may comprise a pull tab cooperating with the time setting rod and an intermediate lever arranged to be controlled by the pull tab and, depending on the position of the pull tab, to retain the element or elements of actuating against the action of at least one spring tending to actuate the actuating element (s) in order to stop the balance, or release the actuating element (s).
  • a watch movement comprises a drive member, in the form of a barrel 1, a gear train 2 and a vortex 3.
  • vortex is meant in the context of this any rotating regulating system such as a vortex proper or a carousel.
  • the vortex 3 comprises a cage 4 mounted around a shaft 5 and consisting of a lower cage portion 6 and an upper cage portion 7 connected by pillars 8.
  • the shaft 5 of the cage 4 carries a second hand (not shown).
  • the cage 4 In the cage 4 are mounted in a conventional manner, parallel to the plane of the cage 4, a rocker 12, a spiral 13 and an escapement 14.
  • the pillars 8 are located radially (in a polar reference center of the axis of rotation of the cage 4, that is to say the axis of the shaft 5) beyond the strut of the balance 12.
  • the balance 12 is coaxial with the cage 4.
  • the pinion 15 of the escapement 14 meshes with a fixed second wheel of movement (not shown).
  • a pinion 16 (cf. figure 2 ) integral with the shaft 5 of the cage 4 meshes with and is driven by the gear 2, more precisely by a wheel 17 of the average wheel gear 2, thus allowing the cage 4 to be driven by the gear 2.
  • a stop disk 18 is mounted on the cage 4 coaxially with it.
  • the stop disc 18 is open in its central part to make room for other components of the vortex 3, such as the upper bearing 19 of the wheel-pinion wheel of the exhaust 14 (cf. figure 3 ) and the upper bearing (not visible in the drawings) of the escapement anchor 14, bearings that are defined by the lower cage portion 6.
  • the stop disc 18 thus comprises an outer periphery 20a, having a diameter Da, and an inner periphery 20b, having a diameter Db smaller than the diameter Da.
  • the stop disc 18 comprises holes 21a in which the pillars 8 pass respectively parallel to the axis of the cage 4.
  • the outer periphery 20a of the stop disc 18 is thus located radially (in the same polar reference as defined above) beyond the pillars 8 and extends continuously 360 ° surrounding said pillars 8.
  • the stop disk 18 is axially movable relative to the cage 4, in particular with respect to the pillars 8, and, in its rest position, is held axially against a surface 22 of the lower cage portion 6 by means of springs.
  • the return springs 23, typically coil springs, are each mounted and guided around a pin 24 oriented along the axis of the cage 4 and one of whose ends is fixed, for example driven, in the part of upper cage 7 and the other end is freely engaged in the lower cage portion 6.
  • Each spring 23 is compressed axially between a surface 25 of the upper cage portion 7 and a fixed ring 26, for example driven, into a hole 21 b of the stop disc 18 and traversed and guided by the pin 24 corresponding, the rings 26 being in contact with the surface 22 of the lower cage portion 6 in the rest position of the stop disc 18.
  • the holes 21a are situated between the outer periphery 20a and the inner periphery 20b of the stop disc 18.
  • the pins 24 make the stop disc 18 integral in rotation with the cage 4.
  • the pins 24 could be fixed to the cage 4 in another way than that described above or could even be deleted.
  • the return springs 23 and the rings 26 could be mounted around the pillars 8 and the pillars 8 would also serve to make the stop disc 18 integral in rotation with the cage 4.
  • the stop disc 18 is made for example of metal or, for aesthetic reasons, sapphire or ruby.
  • the stop disc 18 is made of nickel by the LIGA technique.
  • the rings 26 will be fixed in the holes 21b rather by gluing than by driving.
  • the stop disc 18 may be perforated in its portion between the outer periphery 20a and the inner periphery 20b.
  • the rings 26 are for example metal, such as copper-beryllium, or ruby.
  • the movement according to the invention further comprises a device for actuating the stop disk 18.
  • the actuating device comprises actuating levers 27, 28 located in the plane of the stop disc 18 and pivotally mounted in this embodiment. plan around respective pivots 29, 30.
  • Each actuating lever 27, 28 comprises in its free end portion 31, 32 a bevel 33, 34 adapted to cooperate with the outer periphery 20a of the stop disc 18 to lift this last against the action of the return springs 23.
  • the actuating levers 27,28 are arranged so that their bevels 33, 34 act on the stop disc 18 at diametrically opposite peripheral zones thereof.
  • the actuating levers 27, 28 cause the stop disc 18 to translate along the axis of the cage 4 towards the upper cage portion 7, until the disc stop 18 comes into contact with the balance 12 and stops it by friction.
  • the stop disc 18 descends towards the part of lower cage 6 under the action of the return springs 23, thus allowing restart of the balance 12.
  • the stop disc 18 is guided by the rings 26 sliding along the pins 24.
  • the actuating levers 27, 28 can actuate the stop disc 18 in any angular position of the cage 4, without being impeded by said pillars 8.
  • the displacement of the stop disc 18 in translation along the axis of the cage 4 allows the stop disc 18 to stop the rocker 12 in any position of the latter and this regardless of the form, serge continuous or interrupted said pendulum.
  • the stop element constituted by the disc 18 is simple, lightweight and takes up little space. It can be easily integrated into an existing whirlpool.
  • the present invention allows the rocker 12 to be made of a fragile material such as silicon, thanks to the flat surface contact against a flat surface between the stop disc 18 and the rocker 12.
  • one of the two actuating levers 27, 28, namely the lever 27, controls the other.
  • the actuating lever 27 comprises, on the other side of the pivot 29 relative to the free end portion 31, a lug 35 cooperating with a corresponding lug 36 of the actuating lever 28.
  • actuation 28 is subjected to the action of a return spring 37.
  • this return spring 37 also acts on the actuating lever 27.
  • the actuating device of the stop disc 18 comprises the time-setting rod 38 of the movement, a pull-cord 39 which is traditionally controlled by the time-setting rod. 38 and an intermediate lever 40 controlled by the pull tab 39, this intermediate lever 40 comprising a boss 41 in contact with the back of the free end portion 31 of the operating lever 27.
  • the movement according to the invention could comprise, as an actuating element of the stop disc 18, only the actuating lever 27.
  • the actuating lever 28 could be removed and a return spring could act directly on the actuating lever 27.
  • Actuation of the lever 27 by the time setting rod 38 would then cause an asymmetrical lifting of the stop disc 18, which disc would move along the pillars 8 and the axis of the cage 4 bowing with respect to its rest plane until coming into contact with the beam of the beam 12 to stop the latter.
  • the figure 4 is a variant of the actuating device of the stop disc 18.
  • one of the actuating levers, designated by 27 ' is permanently subjected to the action of a spring 42 tending to do so pivoting towards the stop disc 18 but, in the rest position of the system, the operating lever 27 'is retained by an intermediate lever 40'.
  • the intermediate lever 40 ' comprises an oblong opening 43 in which is engaged a pin 44 carried by the pull tab 39 controlled by the time setting rod 38.
  • the pull tab 39 keeps the intermediate lever 40 'in a position where it blocks the operating lever 27'.
  • the actuating lever 27 ' can control a second actuating lever and may comprise for this purpose an arm (not shown) cooperating with a corresponding arm of the second actuating lever in the manner of the lugs 35, 36.
  • Lever actuator 27 ' may also be the only actuating element acting on the stop disc 18.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
  • Springs (AREA)
  • Transmission Devices (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Operated Clutches (AREA)
EP13001686.8A 2013-04-03 2013-04-03 Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus Active EP2787400B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES13001686.8T ES2593815T3 (es) 2013-04-03 2013-04-03 Movimiento de relojería con torbellino y con mecanismo de parada de volante
EP13001686.8A EP2787400B1 (de) 2013-04-03 2013-04-03 Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus
JP2014049093A JP6307952B2 (ja) 2013-04-03 2014-03-12 トゥールビヨンおよびテンプ停止機構を備えた時計ムーブメント
CN201410118131.XA CN104102121B (zh) 2013-04-03 2014-03-27 具有陶比伦旋转机构和摆轮停止机构的钟表机芯
HK14110239.4A HK1196880A1 (zh) 2013-04-03 2014-10-14 具有陶比倫旋轉機構和擺輪停止機構的鐘錶機芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13001686.8A EP2787400B1 (de) 2013-04-03 2013-04-03 Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus

Publications (2)

Publication Number Publication Date
EP2787400A1 true EP2787400A1 (de) 2014-10-08
EP2787400B1 EP2787400B1 (de) 2016-08-03

Family

ID=48045244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001686.8A Active EP2787400B1 (de) 2013-04-03 2013-04-03 Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus

Country Status (5)

Country Link
EP (1) EP2787400B1 (de)
JP (1) JP6307952B2 (de)
CN (1) CN104102121B (de)
ES (1) ES2593815T3 (de)
HK (1) HK1196880A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712031A1 (fr) * 2016-01-13 2017-07-14 Richemont Int Sa Mécanisme horloger à tourbillon.

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3136187B1 (de) * 2015-08-31 2018-02-28 Glashütter Uhrenbetrieb GmbH Mechanisches uhrwerk mit einem tourbillon
EP3318933B1 (de) * 2016-11-02 2020-03-25 Montres Breguet S.A. Vorrichtung zum anhalten und/oder aufziehen eines marinechronometers
EP3770695B1 (de) 2019-07-23 2022-01-12 Omega SA Anschlagkäfig für uhr mit käfiganschlagblatt
EP3770694B1 (de) * 2019-07-23 2021-12-08 Omega SA Anschlagkäfig für uhr mit zwei elastischen anschlagelementen
EP3770693B1 (de) * 2019-07-23 2022-08-31 Omega SA Anschlagmechanismus für uhrenkäfig mit anschlagrad
EP3770696B1 (de) 2019-07-23 2021-12-01 Omega SA Anschlagkäfig für uhr mit aufzugstift und anschlagstift
EP4047425A1 (de) 2021-02-19 2022-08-24 Montres Breguet S.A. Vorrichtung zum vorübergehenden anhalten des betriebs einer mechanischen uhr

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003048871A2 (de) 2001-12-07 2003-06-12 Lange Uhren Gmbh Tourbillon
EP1617305A1 (de) 2004-07-13 2006-01-18 Montres Breguet S.A. Arretiervorrichtung bei der Zeigerstellung einer Uhr mit einem Tourbillon
EP1840677A1 (de) 2006-03-28 2007-10-03 Chopard Manufacture SA Rückstellen des Sekundenzeigers in einer Uhr
WO2012140112A1 (fr) 2011-04-14 2012-10-18 Complitime Sa Mouvement de piece d'horlogerie

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JPS5044774Y1 (de) * 1972-12-30 1975-12-19
CN87206253U (zh) * 1987-04-08 1988-01-20 杭州手表厂 可止动的机械式手表
CH701725B1 (fr) * 2006-09-25 2011-03-15 Franck Mueller Watchland S A Tourbillon pour pièce d'horlogerie.
CN101846962B (zh) * 2009-04-10 2012-01-04 天津海鸥表业集团有限公司 一种陀飞轮的止动机构
CN201402376Y (zh) * 2009-04-10 2010-02-10 天津海鸥表业集团有限公司 陀飞轮的止动机构
CH700862A1 (fr) * 2009-04-29 2010-10-29 Richemont Int Sa Tourbillon sans le poids du balancier.
CH703008A1 (fr) * 2010-04-23 2011-10-31 Francois-Regis Richard Mecanisme de chronographe, mouvement horloger et piece d'horlogerie comprenant un tel mecanisme.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003048871A2 (de) 2001-12-07 2003-06-12 Lange Uhren Gmbh Tourbillon
EP1617305A1 (de) 2004-07-13 2006-01-18 Montres Breguet S.A. Arretiervorrichtung bei der Zeigerstellung einer Uhr mit einem Tourbillon
EP1840677A1 (de) 2006-03-28 2007-10-03 Chopard Manufacture SA Rückstellen des Sekundenzeigers in einer Uhr
WO2012140112A1 (fr) 2011-04-14 2012-10-18 Complitime Sa Mouvement de piece d'horlogerie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712031A1 (fr) * 2016-01-13 2017-07-14 Richemont Int Sa Mécanisme horloger à tourbillon.
EP3193216A1 (de) * 2016-01-13 2017-07-19 Richemont International S.A. Uhrwerksmechanismus mit tourbillon
CN106970513A (zh) * 2016-01-13 2017-07-21 历峰国际有限公司 陀飞轮钟表机构
CN106970513B (zh) * 2016-01-13 2020-06-02 历峰国际有限公司 陀飞轮钟表机构

Also Published As

Publication number Publication date
JP6307952B2 (ja) 2018-04-11
CN104102121B (zh) 2017-12-01
JP2014202750A (ja) 2014-10-27
EP2787400B1 (de) 2016-08-03
ES2593815T3 (es) 2016-12-13
HK1196880A1 (zh) 2014-12-24
CN104102121A (zh) 2014-10-15

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