EP1522003B1 - Tourbillon - Google Patents

Tourbillon Download PDF

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Publication number
EP1522003B1
EP1522003B1 EP03737810A EP03737810A EP1522003B1 EP 1522003 B1 EP1522003 B1 EP 1522003B1 EP 03737810 A EP03737810 A EP 03737810A EP 03737810 A EP03737810 A EP 03737810A EP 1522003 B1 EP1522003 B1 EP 1522003B1
Authority
EP
European Patent Office
Prior art keywords
tourbillon
bearing
main bearing
platform
balance
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.)
Expired - Lifetime
Application number
EP03737810A
Other languages
German (de)
English (en)
Other versions
EP1522003A2 (fr
Inventor
Rob E. A. Jansen
Louis Lagler
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.)
Atch-U Licence AG
Original Assignee
Watch-U Licence AG
Watch U Licence AG
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 Watch-U Licence AG, Watch U Licence AG filed Critical Watch-U Licence AG
Publication of EP1522003A2 publication Critical patent/EP1522003A2/fr
Application granted granted Critical
Publication of EP1522003B1 publication Critical patent/EP1522003B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00Mechanisms for stabilising frequency
    • G04B17/20Compensation of mechanisms for stabilising frequency
    • G04B17/28Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285Tourbillons or carrousels

Definitions

  • the invention relates to a tourbillon, respectively a tourbillon module, according to the preamble of the independent claim.
  • EP 0 681 227 is known a centric Tourbillon, which is mounted in front of a barrel. This structure is very expensive in terms of installation and maintenance and therefore expensive. Especially in case of a defect, it is necessary to disassemble the entire movement to gain access to the tourbillon. The tourbillon is also visible only from the front.
  • Out CH 691 831 is a tourbillon with a main bearing for supporting a bogie housing the tourbillon over the clockwork known in which the inner ring of the main bearing is operatively connected to the bogie housing of the tourbillon and the outer ring of the main bearing with the clockwork is fixedly operatively connected.
  • the object of the invention disclosed here is a tourbillon, respectively a tourbillon module with a maintenance-friendly, simple construction and improved Accuracy to show that has a particularly low height of the tourbillon when needed.
  • the tourbillon according to the invention preferably has a modular construction.
  • the actual tourbillon mechanism, including all essential parts, are preferably combined in a tourbillon module, which has a normalized interface to the rest of the movement and can be easily solved by this.
  • the tourbillon preferably has a platform which is mounted on one side (flying tourbillon).
  • a ball bearing main bearing
  • the platform and the outer ring can be formed in one piece if necessary.
  • the balls of the ball bearing substantially at the height of the platform. This has a positive influence on the height.
  • the inner ring of the central bearing of the platform is fixed to a base and does not rotate.
  • the bearing clearance can be easily adjusted, it is possible to design the inner and / or outer ring in two parts.
  • a balance is stored by means of an upper and a lower balance bearing. In certain embodiments, both balance bearings rotate with the platform. Alternatively, it is possible to arrange the lower balance bearing stationary on the side of the base. Depending on the design, this has an advantageous effect on the overall height.
  • the Tourbillon constructions known from the prior art generally have the disadvantage that an adjustment and maintenance of the tourbillon, respectively the bearings of the tourbillon, in the installed state is not possible. If a tourbillon is to be serviced, the entire movement usually has to be disassembled.
  • the tourbillon disclosed herein has a structure that allows easy maintenance.
  • the bearings are preferably arranged so that they can be easily controlled, adjusted and maintained even when installed.
  • the inner ring of the main bearing of the platform preferably has a diameter which is so large that the lower bearing of the balance (balance bearing) in his Center is located and if necessary, especially for maintenance purposes, is accessible.
  • the invention makes it possible to build very flat tourbillons whose height is less than 5 mm and, if necessary, less than 4 mm.
  • the means for supporting the tourbillon platform in a ball bearing, the balls
  • the means for supporting the tourbillon platform are preferably arranged approximately at the height of the main plane of the tourbillon platform.
  • the tourbillon platform has a correspondingly large opening for this purpose.
  • the outer ring of the main bearing of the platform is preferably integrated into the platform.
  • a kinematic reversal of the bearing parts of the main bearing is possible in certain embodiments.
  • the means for supporting the tourbillon platform come to lie approximately at the height of the base, wherein the outer ring of the main bearing fixed and the inner ring is arranged to rotate.
  • the balls of the main bearing are arranged approximately at the level of the platform, respectively the base, it makes sense to arrange the lower bearing of the balance inside the main bearing coaxially, on the fixed side (clockwork side). As a result, the height is additionally reduced if necessary.
  • the lower bearing of the balance and the main bearing the platform of the tourbillon are preferably arranged substantially coaxially, as this mechanical shocks and vibrations are particularly well derived.
  • an industrial bearing can also be used. However, this increases the number of parts and the bearing clearance can not be optimally adjusted, depending on the embodiment. Finished bearings are preferably fixed by pressing or gluing.
  • FIG. 1 shows a first embodiment of an inventive tourbillon 1 in a plan view.
  • the Tourbillon 1 is designed as a tourbillon module 1, which is manufactured independently of the rest of the movement and then mounted.
  • the tourbillon module 1 has a platform 2, which is rotatably mounted on a base 3 about a rotation axis A.
  • the platform 2 has an external toothing 8, via which the tourbillon module 1 is driven, respectively the movement is inhibited.
  • a balance 9 is arranged centrally rotatably, which is operatively connected to the inner end of a coil spring 10.
  • the balance 9 is driven via an escape wheel 11 and an armature 12 (only partially visible), respectively inhibited.
  • a control mechanism 17 is connected to an outer region 4 of the coil spring 10 in operative connection. The control mechanism 17 is used for fine adjustment of the accuracy of the tourbillon module 1 by acting on the effective length of the coil spring 10 influence.
  • An outer end 5 of the coil spring 10 is fastened to the bridge 16 via a holder 6.
  • the base 3 has openings 7 (fastening means), which serve for fastening the base 3 to a circuit board of a movement (not shown in detail).
  • FIG. 2 shows a sectional view along the line DD.
  • FIG. 2 shows a section along the line DD through the tourbillon module 1 from FIG. 1 ,
  • a main bearing 20 serves to support the platform 2 of the tourbillon 1 relative to the base 3.
  • An outer ring 21 of the main bearing 20 is rigidly connected to the platform 2 and rotates with this.
  • the outer ring 21 has a bell-shaped configuration with a through opening with a variable inner diameter with two distinct diameter levels.
  • the outer ring 21 is connected in the embodiment shown, via a press fit with the platform 2.
  • the outer ring 21 is designed so that it serves as a holder of a lower Unruhager 19.
  • the lower balance bearing 19 is arranged on the side of the platform 2 and rotates with it.
  • An inner ring 22 is designed in two parts and consists of a fixed, first part ring 23 and an adjustable second part ring 24 which is operatively connected to the first inner ring 23 via a thread 25 such that the bearing clearance is adjustable.
  • the balance 9 is mounted on a balance shaft 13, which in turn is rotatably mounted about the axis of rotation A by means of a first, lower and a second, upper shock and vibration absorbing sliding bearing 18, 19 (balance bearing).
  • the lower sliding bearing 19 is here slightly above the main bearing 20.
  • the main bearing 20 and the lower sleeve bearing 19 may be disposed at substantially the same height.
  • An internally toothed gear 26 in the embodiment shown is operatively connected to the base 3 and centered with respect to the axis of rotation A.
  • the internal gear 26 serves to drive the escape wheel 11 via a pinion 27 (see. FIG. 4 ).
  • the base 3 and the gear 26 may be integrally formed as needed.
  • FIG. 3 shows a further embodiment of a tourbillon module 1 in a perspective view obliquely from above.
  • this tourbillon module 1 from the front essentially of the embodiment FIG. 1 corresponds, it differs significantly in the structure of the main bearing.
  • the embodiment shown here is designed so that it can be mounted from behind on a circuit board of a movement, the tourbillon 1 in a suitable, through opening of the board arranged from the front (dial side) is visible.
  • the internal gear 26 is concentric with the axis of rotation A arranged and fixed by means of two screws 29 to the base 3.
  • Other mounting options, eg from the front, are possible.
  • the numbering corresponds to the Figures 1 and 2 ,
  • FIG. 4 shows the tourbillon module 1 according FIG. 3 in a perspective view obliquely from below.
  • the base 3 here has a bearing opening 28 in which the second partial ring 24 of the main bearing 20 can be seen.
  • the lower slide bearing 19 of the balance 9 respectively the balance spring 13 (see. FIG. 5 ) to recognize.
  • an externally toothed gear (not shown) can be used.
  • the gear 26 may be integrated into the platform 3 as needed.
  • the thickness of the base 3 tends to be increased, which may affect the height of the tourbillon 1.
  • the thickness t is essentially given only by the mechanical strength or manufacturability required for operation. This has a positive effect on a low height.
  • FIG. 5 shows the embodiment of the tourbillon 1 according to the FIGS. 3 and 4 in a perspective sectional view.
  • the main bearing 20 and the lower balance bearing 19 of the balance 9, respectively the balance spring 13 are here substantially at the same height in a coaxial arrangement.
  • the lower balance bearing 19 is operatively connected to the base 3 and therefore does not rotate with the platform 2.
  • the outer ring 21 of the main bearing 20 is integrated into the platform 2. This offers the advantage that the number of parts required and matched to each other is reduced.
  • This embodiment is suitable for Tourbillons low height, which come in flat calibers or used mounted from the front.
  • Between the outer and the inner ring 21, 22 of the main bearing 20 balls 28 can be seen. Due to the adjustable structure of the main bearing 20, by means of a first and a second sub-ring 23, 24, which are operatively connected via a thread 25 adjustable, the bearing clearance of the main bearing 20 is adjusted.
  • the axis 13 of the balance 9 is mounted in an upper balance bearing 18 and in a lower balance bearing 19.
  • the balance bearings 18, 19 are shock and vibration absorbing plain bearings.
  • the upper balance bearing 18 is attached to a bridge 16, which in turn is fastened by means of screws 14 on supports 15.
  • the supports 15 are mounted on the platform 2.
  • the lower balance bearing 19 is fixed, therefore outside the rotatable platform 2, mounted.
  • the lower balance bearing is operatively connected to the first sub-ring 23 of the inner ring 22 of the main bearing 20.
  • An alternative embodiment is to arrange the lower balance bearing 19 outside of the main bearing 20.
  • the rotatably mounted on the balance shaft 13 balance 9 is operatively connected via a parallel to the axis A balance pin 29 with the armature 12.
  • the armature 12 is arranged on an armature axis 30, which is mounted relative to the platform 2 by means of two armature bearings 31 (of which only the upper one is visible here).
  • the armature shaft 30 is rotatably disposed about a second axis of rotation B in the embodiment shown.
  • the second axis of rotation B is arranged parallel to the main axis of rotation A.
  • the armature 12 is operatively connected to the escape wheel 11, which is mounted on an escape wheel shaft 32 with a pinion 27.
  • the escape wheel shaft 32 is rotatably mounted about a second axis of rotation C by means of two fixed to the platform 2 Ankerradlagern 33.
  • the pinion 27 is again in engagement with the here internally toothed, mounted on the base 3 gear 26.
  • the Hemmmechanismus 34 which includes the escape wheel 11, the armature 12 and the balance pin 29, as well as acting between these active compounds, is used to drive, respectively to inhibit the balance 9.
  • the balls 28 of the main bearing 20 may be arranged approximately at the height of the platform 2.
  • the second sub-ring 24 may be configured with a corresponding shape and arrangement of the main bearing 20 so that it has a toothing (not closer shown) or is connected to this Wirkverbunden. This toothing meshes with the pinion 27 and serves as a replacement for the gear 26. This makes it possible to further reduce the number of parts and the overall height.
  • the escape wheel 11 is usually arranged between the balance 9 and the platform 2 and the pinion 27 between the balance, respectively the escape wheel 11 and the platform 2.
  • the inventive construction of the tourbillon 1 has the advantage that in particular the bearings of the balance 18, 19 are accessible in the installed state and can be maintained without the tourbillon 1, respectively the tourbillon module removed from a clockwork or completely taken apart.
  • a separately manufactured, standardized ball bearing can be used, which is fastened by pressing, gluing or in another way.
  • the balls of the bearing are located approximately at the height of the platform 3, since so a particularly low height can be achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Rolling Contact Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (9)

  1. Tourbillon (1) comportant un palier principal (20) pour monter une plateforme (2) du tourbillon (1) sur une base (3), afin de rendre le tourbillon solidaire de la platine d'un mouvement horloger par l'intermédiaire de la base, caractérisé en ce que la bague extérieure (21) du palier principal (20) est reliée à la plateforme (2) du tourbillon (1) et la bague intérieure (22) du palier principal (20) est solidaire de la base (3) du tourbillon (1).
  2. Tourbillon (1) selon la revendication 1, caractérisé en ce que la bague intérieure (22) du palier principal (20) comporte une ouverture au travers de laquelle le palier inférieur (19) du balancier (9) est accessible.
  3. Tourbillon (1) selon la revendication 1 ou 2, caractérisé en ce que la bague intérieure ou extérieure (21, 22) du palier principal (20) est réalisée en plusieurs parties.
  4. Tourbillon (1) selon la revendication 3, caractérisé en ce que la bague intérieure (22) du palier principal (20) est agencée de telle manière que le jeu de montage du palier principal (20), du côté de la base (3) du tourbillon (1), peut être ajusté.
  5. Tourbillon (1) selon l'une des revendications précédentes, caractérisé en ce que la bague extérieure (21) du palier principal (20) est intégrée à la plateforme (2) du tourbillon (1).
  6. Tourbillon (1) selon l'une des revendications 1 ou 2, caractérisé en ce que le palier principal (20) est un élément distinct à part entière.
  7. Tourbillon (1) selon l'une des revendications précédentes, caractérisé en ce que les billes du palier principal (20) sont situées sensiblement à la hauteur de la plateforme (2) du tourbillon.
  8. Tourbillon (1) selon l'une des revendications précédentes, caractérisé en ce que le palier inférieur (19) est fixe et solidaire de la base (3).
  9. Tourbillon (1) selon la revendication 8, caractérisé en ce que le palier inférieur (19) est situé sensiblement à la hauteur du palier principal (20).
EP03737810A 2002-07-09 2003-07-09 Tourbillon Expired - Lifetime EP1522003B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH120902 2002-07-09
CH12092002 2002-07-09
PCT/CH2003/000462 WO2004006025A2 (fr) 2002-07-09 2003-07-09 Tourbillon

Publications (2)

Publication Number Publication Date
EP1522003A2 EP1522003A2 (fr) 2005-04-13
EP1522003B1 true EP1522003B1 (fr) 2009-04-08

Family

ID=30005589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737810A Expired - Lifetime EP1522003B1 (fr) 2002-07-09 2003-07-09 Tourbillon

Country Status (5)

Country Link
EP (1) EP1522003B1 (fr)
AT (1) ATE428131T1 (fr)
AU (1) AU2003245782A1 (fr)
DE (1) DE50311390D1 (fr)
WO (1) WO2004006025A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568831B2 (en) 2006-10-06 2009-08-04 Tiffany & Co. Watch Center Ag Tourbillion-type timepiece movement
EP1995650B1 (fr) * 2007-05-23 2018-03-07 Blancpain S. A. Mouvement horloger comprenant un carrousel
EP2189855B1 (fr) * 2008-11-20 2012-11-14 Noriah SA Mécanisme de tourbillon
CH701490A1 (fr) * 2009-07-17 2011-01-31 Franck Mueller Watchland S A Tourbillon a roue d'echappement fixe.
CN110209034A (zh) * 2019-06-01 2019-09-06 深圳市玺佳创新有限公司 一种摆轮印刷手表
EP4194961A1 (fr) * 2021-12-07 2023-06-14 H.K. Precision Technology Co. Ltd Ensemble reglant, pour mouvement horloger, comportant une cage destinee a etre montee rotative par un roulement de cage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH687795C1 (fr) 1994-05-07 2001-05-15 Omega Sa Piece d'horlogerie mecanique pourvue d'un tourbillon.
CH691831A5 (fr) * 2000-08-10 2001-10-31 Franck Muller Watchland S A Pièce d'horlogerie à tourbillon.

Also Published As

Publication number Publication date
DE50311390D1 (de) 2009-05-20
WO2004006025A3 (fr) 2004-06-24
AU2003245782A8 (en) 2004-01-23
EP1522003A2 (fr) 2005-04-13
WO2004006025A2 (fr) 2004-01-15
ATE428131T1 (de) 2009-04-15
AU2003245782A1 (en) 2004-01-23

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