EP2246752A1 - Tourbillonn ohne dem Unruhgewicht - Google Patents

Tourbillonn ohne dem Unruhgewicht Download PDF

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Publication number
EP2246752A1
EP2246752A1 EP10161471A EP10161471A EP2246752A1 EP 2246752 A1 EP2246752 A1 EP 2246752A1 EP 10161471 A EP10161471 A EP 10161471A EP 10161471 A EP10161471 A EP 10161471A EP 2246752 A1 EP2246752 A1 EP 2246752A1
Authority
EP
European Patent Office
Prior art keywords
cage
balance
vortex mechanism
bearing
watch
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
EP10161471A
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English (en)
French (fr)
Other versions
EP2246752B1 (de
Inventor
Hugo Lopez
Florian Brossard
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.)
Richemont International SA
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Richemont International SA
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Filing date
Publication date
Application filed by Richemont International SA filed Critical Richemont International SA
Publication of EP2246752A1 publication Critical patent/EP2246752A1/de
Application granted granted Critical
Publication of EP2246752B1 publication Critical patent/EP2246752B1/de
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
    • 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 present invention relates to a tourbillon for a watch in which the placement of the bearings of the balance allows to subtract the weight of the balance to the weight of the cage in all positions of the watch.
  • the tourbillon is a device to improve the accuracy of the watch. It includes a cage rotatably mounted on the frame of the watch and a rocker mounted oscillating in the cage. The swinging movement of the balance is generally maintained by an escapement also mounted on the cage. The cage is rotated by a train whose last mobile meshes with a pinion or wheel secured to the cage.
  • the arrangement and / or arrangement of several parts in conventional vortices is not yet optimal.
  • the accuracy of a tourbillon is influenced by the mass of moving parts and their center of gravity.
  • the document US7188995 describes a vortex having a base plate, a main bearing positioned in this plate, and a cage which turns around a main axis.
  • the inner portion of the main bearing is bonded to the cage, and a lower bearing of the balance is bonded to the base plate.
  • the main axis of the cage has an opening in which is the axis of the balance.
  • the lower bearing of the balance is outside the cage, to reduce the weight of the vortex and thus improve the accuracy of the vortex.
  • an upper bearing of the balance is inside the cage, and the weight of the balance is, depending on the position of the watch, either subtracted or added to the weight of the cage, which presents a significant disadvantage.
  • the balance pivots in the fixed lower bearing and in the upper bearing which rotates with the cage, which can cause a difference in friction on either side of the balance that can result in disturbances as to the proper operation of this last.
  • An object of the present invention is to provide a vortex free of limitations of the state of the art.
  • Another object of the invention is to provide a tourbillon for a watch in which the placement of the bearings of the balance allows to subtract the weight of the balance to the weight of the cage in all positions of the watch.
  • the outer end of the spiral spring is fixed to the cage via a stud.
  • the balance bearings are housed in fixed elements of the watch.
  • the first cage bearing is housed in a lower plate and the second cage bearing is housed in a fixed wheel, coaxial with the cage and secured to a main plate fixed to above the bottom plate.
  • the lower balance bearing is mounted in the lower plate, below the lower bearing of the cage, and the upper balance bearing, is mounted in an upper bridge, above the cage.
  • the balance and the spiral spring are placed outside the cage, the spiral spring can be arranged above or below the balance.
  • the tourbillon mechanism also comprises a stop or pendulum stop mechanism.
  • the configuration of the vortex of the invention also makes it possible to choose the diameter of the balance independent of the diameter of the cage, thus giving more margin for the manufacturer.
  • the figure 1 is a sectional view of the vortex mechanism 1 of a watch according to an embodiment of the present invention. More particularly, the vortex comprises a cage, adapted to rotate about an axis A, and comprising a bottom plate of cage 11 and an upper cage board 10, rigidly connected to each other by not shown pillars.
  • the cage also comprises a hollow core 21 extending under the lower plank 11, coaxial with the axis A.
  • a cage sprocket 13 is fixed on the outer periphery of the core 21.
  • the assembly formed by the core 21 and the cage pinion 13 is mounted in a lower bearing 22, housed in a lower plate 24, and in an upper bearing 23, housed in a fixed wheel 29.
  • the latter is concentric mounting with the cage in a second plate or main plate 25 rigidly connected to the bottom plate 24.
  • the bottom plate 24, the main plate 25 and the fixed wheel 29 are of course fixed elements of the watch.
  • An escape wheel comprising an exhaust pinion 9 and an escape wheel 8 integral with the pinion 9, is mounted on the cage integrally with it. More particularly, the escape wheel is pivotally mounted between exhaust bearings 17, such as stones, one housed in the upper board 10 and the other housed in an exhaust bridge 16 attached to the lower board 11.
  • the vortex mechanism 1 also comprises a regulating member in the form of a balance-spiral assembly.
  • the rocker 2 comprises a circular serge 30 and is mounted on a swinging pivot shaft 3.
  • the spiral spring 4 is disposed below the rocker 2, the inner end of the spiral 4 being connected to the balance shaft 3, using a ferrule 5.
  • the outer end 19 of the spiral spring is attached to a stud 20, fixed on a door stud 14, integral with the cage.
  • the stud 20 and the stud 14 are held together by a piton door plate 15.
  • the rocker 2 is secured to the cage by means of the spiral spring 4 and always rotates with it.
  • the cage and the balance 2 make a turn, either every minute, two minutes, or four minutes, other speeds of rotation being of course possible.
  • the rotation speed of the cage could even be different from that of the balance.
  • the configuration of the embodiment of the figure 1 does not require the placement of an additional bridge between the cage and the outer end 19 of the spiral spring 4.
  • the balance 2 and the spiral spring 4 are also arranged completely outside the cage.
  • the diameter of the balance 2 can be chosen independently of the diameter of the cage, giving more margin for the manufacturer.
  • the rocker 2 is kinematically connected to the escapement mobile by an anchor which transforms the rotary movement of the wheel in reciprocating motion.
  • the anchor is not shown in the drawing to avoid overloading it.
  • the rocker 2 comprises a double plate 6, concentrically mounted on its axis 3, and comprising a pin 7 on which abuts the fork of the anchor.
  • the balance shaft 3 is pivotally mounted through the cage but in balance bearings located outside the vortex cage.
  • the balance shaft 3 extends coaxially with the axis A, inside the hollow core 21 and in openings in the lower and upper plate 11, 10, so as to rotate freely in total isolation of the cage .
  • the balance shaft 3 is mounted in a lower balance bearing 27 housed fixed in the lower plate 24, below the lower bearing 22 of the cage, and in an upper balance bearing 26, fixedly housed in an upper bridge 28 placed above the upper plate 10 of the cage and secured to the main plate 25.
  • the rocker shaft 3 is pivotally mounted in the rocker bearings 27, 26 housed outside the cage, that is, respectively housed above the upper board 10 and below the second cage bearing 22, so that the weight of the balance is not supported by the vortex cage.
  • Such a configuration advantageously makes it possible to subtract the weight of the balance 2 from the weight of the tourbillon cage in all the positions of the watch.
  • the lower and upper balance bearings 27, 26 are shockproof bearings, for example of the Incabloc® type.
  • an average wheel 12 meshes with the cage gear 13, driving the rotating cage in rotation about the axis A, as in the case of conventional vortices.
  • the exhaust pinion 9 is arranged to mesh with the fixed wheel 29, and so as to be driven when the cage rotates.
  • the escape wheel 8, driven by the exhaust pinion 9, oscillates the anchor which transmits its pulses via the pin 7 to the pendulum 2 which oscillates.
  • the tourbillon mechanism may also include a stop or stop stop mechanism, also called stop seconds, to stop the oscillation of the balance 2 during the time setting of the watch.
  • the balance stop includes a lever 31 fixed on the main plate 25, or any other fixed element of the movement of the watch.
  • the lever 31 is able to pivot about its point of attachment and come to press radially or axially on the skew of the balance 30, or on any other portion mounted on the axis 3, in order to stop the rotation of the pendulum 2 by friction.
  • the pivoting of the lever 31 can be controlled from the outside of the watch case, for example by a rod that can be pushed and / or pulled and abutting the portion of the lever opposite to that pressing the seam 30.
  • a sufficient pressure to quickly stop the rocker 2 when the lever 31 is supported can be obtained, for example, using a spring (not shown) to press the lever 31.
  • the spring can be fixed on the plate main 25 or other fixed element of the watch.
  • the lever 31 when one wants to restart the movement after making a stop on the balance, the lever 31 allows the recovery of the latter. Indeed, during its withdrawal movement, the lever 31 will, for a brief moment, accompany the rotation in rotation to put it in motion. In some cases this stimulus The pendulum is useful to ensure that its oscillation restarts properly.
  • the watch may comprise bent movable elements, mounted on the cage and actuated via a shoe controlled by a rod accessible from outside the watch case.
  • a shoe controlled by a rod accessible from outside the watch case.
  • the figure 2 represents another embodiment of a vortex mechanism 1 'of the invention.
  • the piton door 14 ' which is fixed to the cage, comes around the balance 2 which facilitates the pecking spiral 4 since the latter is found above the balance where access to the pin is facilitated.
  • the piton door 14 ' can also act as an indicator (for example a second indicator for a cage that makes a revolution per minute).
  • the diameter of the balance is limited by the pin holder 14 'and any associated balance stop mechanism (not shown in FIG. figure 2 ) must also take into account the position of this element.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rolling Contact Bearings (AREA)
  • Soil Working Implements (AREA)
  • Surgical Instruments (AREA)
  • Micromachines (AREA)
EP10161471A 2009-04-29 2010-04-29 Tourbillon ohne dem Unruhgewicht Active EP2246752B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00679/09A CH700862A1 (fr) 2009-04-29 2009-04-29 Tourbillon sans le poids du balancier.

Publications (2)

Publication Number Publication Date
EP2246752A1 true EP2246752A1 (de) 2010-11-03
EP2246752B1 EP2246752B1 (de) 2012-04-04

Family

ID=41076879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10161471A Active EP2246752B1 (de) 2009-04-29 2010-04-29 Tourbillon ohne dem Unruhgewicht

Country Status (6)

Country Link
US (1) US8439555B2 (de)
EP (1) EP2246752B1 (de)
CN (1) CN101876809B (de)
AT (1) ATE552534T1 (de)
CH (1) CH700862A1 (de)
HK (1) HK1144970A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2869139A1 (de) * 2013-11-04 2015-05-06 Chronometres Ferdinand Berthoud Neuchatel SA, Val-de-Travers Tourbillonmechanismus
EP2874020A1 (de) 2013-11-15 2015-05-20 Rolex Sa Reguliersystem für Uhrwerk
CN106873343A (zh) * 2015-12-11 2017-06-20 Eta瑞士钟表制造股份有限公司 具有紧固组件的游丝外桩保持件
EP3770695A1 (de) * 2019-07-23 2021-01-27 Omega SA Anschlagkäfig für uhr mit käfiganschlagblatt
EP3770694A1 (de) * 2019-07-23 2021-01-27 Omega SA Anschlagkäfig für uhr mit zwei elastischen anschlagelementen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653938A1 (de) * 2012-04-19 2013-10-23 ETA SA Manufacture Horlogère Suisse Unruh für Uhrwerk
EP2703912B1 (de) * 2012-09-03 2015-03-25 Richemont International S.A. Unruhanhaltevorrichtung für Uhren mit Drehgestell
EP2725433B1 (de) * 2012-10-26 2015-04-29 Richemont International S.A. Bewegliches Tourbillon mit beweglicher Unruh für Uhrwerk
EP2787400B1 (de) * 2013-04-03 2016-08-03 Chopard Technologies SA Uhrwerk mit Tourbillon und mit Unruhsperrenmechanismus
JP6703203B1 (ja) * 2020-01-29 2020-06-03 セイコーウオッチ株式会社 ひげぜんまい調整機構、てんぷ受ユニット、ムーブメント及び時計
EP4006649A1 (de) * 2020-11-27 2022-06-01 ETA SA Manufacture Horlogère Suisse Befestigungsvorrichtung zur einstellung des unruhspiels

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0681227A1 (de) 1994-05-07 1995-11-08 Omega SA Mechanische Uhr mit einem Drehgestell
CH691832A5 (fr) * 2000-08-30 2001-10-31 Franck Muller Watchland Sa Pièce d'horlogerie à tourbillon.
WO2004079459A2 (de) * 2003-03-03 2004-09-16 Watch-U-License Ag Tourbillon
WO2004097533A2 (de) * 2003-05-02 2004-11-11 Jansen Rob E A Doppelseitiger tourbillon
EP1617305A1 (de) 2004-07-13 2006-01-18 Montres Breguet S.A. Arretiervorrichtung bei der Zeigerstellung einer Uhr mit einem Tourbillon
EP1686435A2 (de) * 2005-01-28 2006-08-02 Richemont International S.A. Uhr mit Tourbillon
WO2008125503A1 (fr) * 2007-04-05 2008-10-23 Complitime Sa Mouvement de piece d'horlogerie a tourbillon

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0973076B1 (de) * 1998-07-16 2008-02-13 ETA SA Manufacture Horlogère Suisse Uhr mit Tourbillon
EP1103871A1 (de) * 1999-09-02 2001-05-30 Creaholic S.A. Mechanisch geregelte Zeitanzeigevorrichtung
EP1359476A1 (de) * 2002-05-02 2003-11-05 Zenith International SA Mechanische Uhr mit Tourbillon
CH699838B1 (fr) * 2004-03-09 2010-05-14 Franck Muller Watchland Sa Tourbillon tri-axial pour pièce d'horlogerie, notamment montre-bracelet.
US8149650B2 (en) * 2008-08-21 2012-04-03 Timex Group B.V. (NL) Wearable electronic device with secondary digital display

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0681227A1 (de) 1994-05-07 1995-11-08 Omega SA Mechanische Uhr mit einem Drehgestell
CH691832A5 (fr) * 2000-08-30 2001-10-31 Franck Muller Watchland Sa Pièce d'horlogerie à tourbillon.
WO2004079459A2 (de) * 2003-03-03 2004-09-16 Watch-U-License Ag Tourbillon
US7188995B2 (en) 2003-03-03 2007-03-13 Wtach -U-License Ag Tourbillon
WO2004097533A2 (de) * 2003-05-02 2004-11-11 Jansen Rob E A Doppelseitiger tourbillon
EP1617305A1 (de) 2004-07-13 2006-01-18 Montres Breguet S.A. Arretiervorrichtung bei der Zeigerstellung einer Uhr mit einem Tourbillon
EP1686435A2 (de) * 2005-01-28 2006-08-02 Richemont International S.A. Uhr mit Tourbillon
WO2008125503A1 (fr) * 2007-04-05 2008-10-23 Complitime Sa Mouvement de piece d'horlogerie a tourbillon

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GEORGE DANIELS: "La montre: Principes et methode de fabrication", 1993, LA CONVERSION, SUISSE, pages: 300 - 302

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2869139A1 (de) * 2013-11-04 2015-05-06 Chronometres Ferdinand Berthoud Neuchatel SA, Val-de-Travers Tourbillonmechanismus
WO2015063335A3 (fr) * 2013-11-04 2015-09-17 Chronometrie Ferdinand Berthoud Sa Mecanisme de tourbillon
EP2874020A1 (de) 2013-11-15 2015-05-20 Rolex Sa Reguliersystem für Uhrwerk
US9081365B2 (en) 2013-11-15 2015-07-14 Rolex Sa Regulating system for a horology movement
CN106873343A (zh) * 2015-12-11 2017-06-20 Eta瑞士钟表制造股份有限公司 具有紧固组件的游丝外桩保持件
CN106873343B (zh) * 2015-12-11 2019-07-16 Eta瑞士钟表制造股份有限公司 具有紧固组件的游丝外桩保持件
EP3770695A1 (de) * 2019-07-23 2021-01-27 Omega SA Anschlagkäfig für uhr mit käfiganschlagblatt
EP3770694A1 (de) * 2019-07-23 2021-01-27 Omega SA Anschlagkäfig für uhr mit zwei elastischen anschlagelementen
CN112305890A (zh) * 2019-07-23 2021-02-02 奥米加股份有限公司 包括两个弹性停止元件的钟表托架停止装置
TWI743839B (zh) * 2019-07-23 2021-10-21 瑞士商奧米茄公司 用於手錶的鐘錶限制裝置及具有此限制裝置的手錶
CN112305890B (zh) * 2019-07-23 2021-12-03 奥米加股份有限公司 包括两个弹性停止元件的钟表托架停止装置
US11586148B2 (en) 2019-07-23 2023-02-21 Omega Sa Horological carriage-stop comprising two resilient stop elements

Also Published As

Publication number Publication date
CH700862A1 (fr) 2010-10-29
CN101876809A (zh) 2010-11-03
ATE552534T1 (de) 2012-04-15
EP2246752B1 (de) 2012-04-04
US20100278017A1 (en) 2010-11-04
CN101876809B (zh) 2013-06-19
US8439555B2 (en) 2013-05-14
HK1144970A1 (en) 2011-03-18

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