EP3306417A1 - Tourbillon et horloge pourvue d'un tourbillon - Google Patents

Tourbillon et horloge pourvue d'un tourbillon Download PDF

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Publication number
EP3306417A1
EP3306417A1 EP17189774.7A EP17189774A EP3306417A1 EP 3306417 A1 EP3306417 A1 EP 3306417A1 EP 17189774 A EP17189774 A EP 17189774A EP 3306417 A1 EP3306417 A1 EP 3306417A1
Authority
EP
European Patent Office
Prior art keywords
tourbillon
bearing
bogie
bearing elements
wheel
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
EP17189774.7A
Other languages
German (de)
English (en)
Other versions
EP3306417B1 (fr
Inventor
Joachim Mutrux
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.)
Bucherer AG
Original Assignee
Bucherer 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 Bucherer AG filed Critical Bucherer AG
Publication of EP3306417A1 publication Critical patent/EP3306417A1/fr
Application granted granted Critical
Publication of EP3306417B1 publication Critical patent/EP3306417B1/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
    • 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
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots

Definitions

  • the invention relates to the field of watches with mechanical movement. It particularly affects tourbillons.
  • Tourbillons consist essentially of a bogie, on which balance, escape wheel and anchor are arranged and which rotates relative to the watch case, for example once a minute.
  • the bogie rotates about a single axis, it is called a one-axis tourbillon.
  • Particularly popular are so-called flying tourbillons, in which the bogie is held only from the bottom, whereby the refined mechanics of the movement is clearly visible from the top. This is generally used by providing the dial with a corresponding viewing window.
  • a tourbillon is provided with a bogie rotatably mounted about a tourbillon axle, which supports a balance and an escapement with an escape wheel and an armature.
  • the bogie has a bearing wheel which is supported by peripherally acting on the bearing wheel bearing elements.
  • the bearing elements can attack in particular from the radial outward on the bearing wheel.
  • the bearing wheel can also define an inner tread, whereby the bearing elements can engage from the inside.
  • the bogie is therefore not supported by a shaft which is mounted concentric to the tourbillon axle and in turn is supported by two bearings below the bogie or by a bearing below and above the bogie, but along the periphery the bearing wheel, which may for example have a similar size as the bogie as a whole.
  • unfavorable leverage forces are to be expected to a much lesser extent, and it is particularly sufficient if the storage takes place only at a single axial position, so it is not necessary for a plurality of axially spaced bearings. Therefore, the axial Dimension of the tourbillon - so its depth - are reduced compared to the prior art. So it is overall flatter designs possible.
  • the bearing elements are, for example, in the circumferential direction not movable relative to the housing, but rotatable about a respective rotation axis, whereby the bearing wheel unrolls upon rotation of the bogie on the bearing elements.
  • the bearing elements may, for example, be ball bearing elements (i.e., have a ball bearing, for example, by forming a ball bearing).
  • Such have, for example, an inner, fixed housing fixed ring, an outer roller and a plurality of balls between the ring and roller, whereby the roller can rotate relative to the ring with little resistance.
  • bearing elements can be present, which are arranged distributed approximately uniformly in the circumferential direction.
  • At least one of the bearing members may be resiliently arranged, i. be pressed against the peripheral tread of the bearing wheel due to a spring force.
  • one of the bearing elements may be mounted on a rocker pivotable about a rocker axis, which is acted upon by a spring, so that the bearing element is pressed against the tread.
  • the resilient arrangement of a bearing element can absorb energy occurring in bumps and also acts balancing.
  • bearing elements there are three bearing elements, two of them may be fixed to the housing and one resiliently arranged in radial directions.
  • bearing elements are not excluded. It can also be used four, five or even more bearing elements, in which case, for example, several of the bearing elements can be resiliently arranged.
  • bearing elements In addition to ball bearings, other bearing elements come into question, for example. Rollers, which in turn are supported by plain bearings, or the bearing elements may themselves be designed as plain bearings, eg. As a ruby bearing. As a further alternative, the bearing elements may also be formed as balls or rollers, which are guided in a corresponding groove of the housing or a base, so that the bogie as a whole part as a role (inner or possibly outer ring) of a ball bearing can be construed. It is only important that a storage from the periphery ago is possible and that the friction losses are not too large.
  • the bearing wheel forms a peripheral, radially-outer or possibly inner running surface on which the bearing elements engage.
  • the tread may be formed so that it has no structure in the circumferential direction, but is smooth, i. that it is constant in function of the azimuth angle and in particular has no toothing or the like.
  • the tread may form a circumferential groove or circumferential spring, which cooperates with a complementary structure of the bearing elements to fix the bogie in the axial direction.
  • the complementary structure of the bearing elements may differ in their design and dimensioning of the structure of the tread that generally only two contact points per bearing element are formed. This can be effected, for example, by the respective groove having no or less curvature in the region of the contact with the element (roller, spring) engaging in it than the corresponding surface of the engaging element.
  • the running surface of the bearing wheel is particularly peripherally disposed with respect to the entire bogie, i.
  • the tread may essentially form an outermost surface of the entire bogie.
  • the diameter of the bearing wheel or the diameter of the tread may correspond, for example, to the diameter of the bogie or at least 70% or at least 80% of this diameter.
  • the tourbillon will generally also have a bogie gear on which a drive wheel of the rest of the movement attacks and over which it decreases the rotational movement of the tourbillon and thus the time information.
  • This can - as known per se - also form a peripheral surface of the bogie.
  • the bogie gear also have internal teeth.
  • Bearing and bogie gear are generally rotatable relative to each other.
  • Bearing wheel and bogie gear - and possibly other elements of the bogie - may also be integral with each other, i. be formed by one and the same element.
  • the tourbillon may further comprise a base on which the bearing elements or at least the non-resilient bearing elements are mounted.
  • a base can be installed in the case of the clock, for example by screwing.
  • the tourbillon as a whole can form such a module, which is manufactured as a whole and installed in the housing.
  • Such a base may also have a housing-fixed toothing, in which engages a pinion gear coupled to the pinion to drive this due to the rotational movement of the tourbillon.
  • a watch according to the invention in particular a wristwatch or pocket watch, which, in addition to a tourbillon of the type described, has further clockwork parts, in particular a spring housing or the like as an energy store, and a gear train for transmitting the driving force from the energy store to the tourbillon and for reducing the rotary movement of the tourbillon, and display means (pointer, dial) for displaying the time, for which a pointer movement can also be present in a manner known per se. Also, one or more complications for displaying additional information, particularly the date, etc., may / may be present.
  • the wheel train may have a drive wheel engaged with the bogie gear.
  • the dial may have a viewing window through which the tourbillon is at least partially visible. Due to the flying arrangement according to the invention, the user sees a great deal of the mechanics, and yet the whole movement can be very flat and therefore the watch can be correspondingly elegant.
  • FIG. 1 shows a tourbillon 1 is mounted on a housing-fixed base 12.
  • the tourbillon 1 has a bogie which rotates relative to the housing about a tourbillon axis 20, for example, with one revolution per minute.
  • the bogie can serve as a second hand, or such can be coupled to the bogie.
  • the details of the time display are not essential to the invention and will not be described further in this text.
  • the bogie has in addition to a bogie platform 2 on this with two mounting pins 6 attached balance bridge 5. Between the bogie platform 2 and the balance bridge 5 a balance shaft of the balance 3 is mounted, in the illustrated embodiment, coaxial with the tourbillon axis 20.
  • the balance 3 forms with a coil spring 4 together in a conventional manner a vibration system, which also cooperates in a known manner with a present in the bogie escapement, of which in FIG. 1 the anchor largely obscured and the escape wheel 8 is only partially visible.
  • the escape wheel 8 drives the vibration system via the armature and thereby rotates per oscillation around a given by the distance of the escape wheel teeth rotation angle.
  • the drive of the escape wheel 8 takes place in that an in Fig. 1 invisible, coupled to the escape wheel escape wheel pinion engages a housing-fixed toothing 9 and so rolls on this toothing 9 due to the rotation of the bogie, on which the escape wheel is mounted.
  • the housing-fixed toothing 9 is formed on that disc, which also forms the base.
  • the base and / or the housing-fixed teeth could / but could also be formed by the watch case itself.
  • the bogie in turn is driven by a drive wheel, which can be understood as a second second wheel, which in Fig. 1 is not visible and which, for example, in an in FIG. 1 clearly visible external teeth 15 of the bogie platform 2 engages.
  • a drive wheel which can be understood as a second second wheel, which in Fig. 1 is not visible and which, for example, in an in FIG. 1 clearly visible external teeth 15 of the bogie platform 2 engages.
  • the bogie platform 2 forms an outer, peripheral tread 11.
  • the bogie platform for this purpose below a bogie gear 21, which has the outer teeth 15, and a bogie bearing wheel 22 with the peripheral tread 11 on , Radially outside of this ball bearing elements 13 are arranged, which are fixed to the base 12.
  • the ball bearing elements have an outer roller on which the tread 11 rolls on rotation of the bogie. Overall, exactly three of the ball bearing elements 13 are present, and they are distributed at least approximately uniformly in the circumferential direction.
  • FIG. 2 shows a schematic cross section through an outer roller of a ball bearing element 13 and through the peripheral region of the bogie platform.
  • the bogie platform 2 forms a groove on its periphery, in which engages the roller - the tread 11 is a total of approximately V-shaped cross-section - supports the ball bearing element 13, the bogie platform and secures its axial and radial position.
  • the bogie platform 2 is so suspended by the three ball bearing elements 13, ie stored on the fly.
  • due to the approximately V-shaped configuration of the groove forming the tread 11 and the convex shape of the roller there are two contact points per ball bearing element, thereby minimizing the resistance.
  • the running surface may also have a projection 25 which engages in a corresponding groove of the ball bearing element 13, which in FIG. 3 is shown schematically.
  • the principle of axial and radial storage works analogously.
  • the tread may be coated with an abrasion-resistant material that minimizes rolling friction, for example Diamond Like Carbon (DLC).
  • DLC Diamond Like Carbon
  • the materials used may be metals or composite materials, in particular special plastics, or else ceramics, which are suitable per se as being suitable for the described purpose, for example high-grade steels, titanium alloys, etc.
  • the running surface may be an inner running surface, ie the bearing wheel forms a peripheral circumferential ring, on the inside of which the running surface is formed, and the bearing elements engage the running surface from the inside.
  • FIG. 4 shows a detail of a top view of a clock whose dial has a window 30, through which the clockwork and in particular the tourbillon is partially visible.
  • the drive wheel 41 and further cooperating with this gears of the movement, by which on the one hand the drive energy is transmitted from a spring, not shown, to the drive wheel and on the other hand, the rotational movement of the bogie is underpinned to the forward drive of the minute and hour hands as well as if necessary one or more complications (date display etc.) to control.
  • FIG. 4 also shows the possibility, in addition to two fixed ball bearing elements 13.1 provide a relative to the housing resiliently mounted ball bearing element 13.2.
  • the spring-mounted ball bearing element 13.2 is pressed by a spring-mounted rocker 44 against the tread 11.
  • This type of suspension can absorb energy occurring in bumps and acts, for example, balancing at different thermal expansions.
  • a pivot pin 46 and a spring 45 are provided, which presses the ball bearing element against the tread 11.
  • the tourbillon 1 according to FIG. 1 can be made as a module including the base and be used in a housing of the clock, for which in addition to the ball bearing elements depending on a Fig. 1 can serve visible screw hole. It is only a single mechanical interface to the other components of the movement needed, and this is tourbillon side formed by the bogie gear.
  • the invention has been described with reference to a single-axis tourbillon. However, it can also be used with appropriate adjustments for multi-axis tourbillons.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rolling Contact Bearings (AREA)
EP17189774.7A 2016-09-23 2017-09-07 Tourbillon et horloge pourvue d'un tourbillon Active EP3306417B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH001245/2016A CH712973B1 (de) 2016-09-23 2016-09-23 Tourbillon und Uhr mit Tourbillon.

Publications (2)

Publication Number Publication Date
EP3306417A1 true EP3306417A1 (fr) 2018-04-11
EP3306417B1 EP3306417B1 (fr) 2020-09-30

Family

ID=57233255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17189774.7A Active EP3306417B1 (fr) 2016-09-23 2017-09-07 Tourbillon et horloge pourvue d'un tourbillon

Country Status (8)

Country Link
US (1) US10481557B2 (fr)
EP (1) EP3306417B1 (fr)
JP (1) JP7022546B2 (fr)
KR (1) KR102480836B1 (fr)
CN (1) CN107870549B (fr)
CH (1) CH712973B1 (fr)
SG (1) SG10201707656YA (fr)
TW (1) TWI743189B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP1610646S (fr) * 2017-09-14 2018-08-06
EP3579058B1 (fr) * 2018-06-07 2021-09-15 Montres Breguet S.A. Piece d'horlogerie comprenant un tourbillon
EP3599516B1 (fr) * 2018-07-24 2024-04-03 Harry Winston SA Tourbillon ou carrousel retrograde d'horlogerie
EP3599515B1 (fr) * 2018-07-24 2022-07-06 Harry Winston SA Mecanisme d'entrainement d'horlogerie
EP3599517B1 (fr) * 2018-07-24 2021-03-10 Harry Winston SA Tourbillon ou carrousel rétrogradé d'horlogerie
EP3770695B1 (fr) * 2019-07-23 2022-01-12 Omega SA Stop-cage d'horlogerie a lame d'arrêt de cage

Citations (5)

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Publication number Priority date Publication date Assignee Title
WO2001018611A1 (fr) * 1999-09-02 2001-03-15 Watch-U-License Ag Indicateur de temps a regulation mecanique
EP1903408A2 (fr) * 2006-09-25 2008-03-26 Franck Müller Watchland SA Tourbillon pour pièce d'horlogerie
EP1995650A1 (fr) * 2007-05-23 2008-11-26 Blancpain S. A. Mouvement horloger comprenant un carrousel
EP2520985A1 (fr) * 2011-04-13 2012-11-07 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Mécanisme d'indication
CH705039A2 (de) * 2011-05-23 2012-11-30 Progress Watch Corp Uhrwerk.

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CN2227348Y (zh) * 1995-05-08 1996-05-15 吴长河 一种新结构的“铊飞轮”表
DE10160287A1 (de) * 2001-12-07 2003-06-26 Lange Uhren Gmbh Tourbillon
CH694833A5 (fr) * 2003-10-31 2005-07-29 Complitime Sa Pièce d'horlogerie comportant deux balanciers.
CN2802551Y (zh) * 2005-06-10 2006-08-02 淡银五 中置陀飞轮表
CH698826B1 (fr) * 2006-03-29 2009-11-13 Girard Perregaux Sa Mouvement pour pièce d'horlogerie à affichage rétrograde.
JP2008058012A (ja) * 2006-08-29 2008-03-13 Seiko Instruments Inc 時計用ジャンパ付き歯車、時計のスリップ機構付き歯車構造体、時刻修正構造、及び時差修正付き時計
CN100587627C (zh) * 2007-07-02 2010-02-03 天津海鸥表业集团有限公司 一种机械手表的擒纵机构
EP2172815A1 (fr) * 2008-10-02 2010-04-07 Montres Breguet S.A. Rouage d'horlogerie
ATE545071T1 (de) * 2009-03-23 2012-02-15 Montres Breguet Sa UHRWERK MIT TOURBILLON, DAS MIT EINER STOßFESTEN SCHUTZVORRICHTUNG AUSGESTATTET IST
EP2397921B1 (fr) * 2010-06-17 2017-08-30 Blancpain S.A. Mécanisme d'avance par saut périodique d'une cage de carrousel
EP2503408B1 (fr) * 2011-03-22 2014-10-15 De Grisogono S.A. Dispositif de commande pour mouvement horloger
CH704924B1 (de) * 2011-05-13 2015-05-29 Bucherer Ag Unruh für eine Uhr sowie Uhr.
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EP2725433B1 (fr) * 2012-10-26 2015-04-29 Richemont International S.A. Tourbillon volant a balancier volant pour mouvement horloger
EP2762985B1 (fr) * 2013-02-04 2018-04-04 Montres Breguet SA Pivotement magnétique ou électrostatique de mobile d'horlogerie
EP2793087B1 (fr) * 2013-04-18 2016-06-01 Glashütter Uhrenbetrieb GmbH Tourbillon
CH708043B1 (fr) * 2013-05-08 2018-02-15 Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A Roue d'échappement.
EP3136186B1 (fr) * 2015-08-31 2018-11-28 Glashütter Uhrenbetrieb GmbH Montre mecanique dotee de tourbillon reglable
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001018611A1 (fr) * 1999-09-02 2001-03-15 Watch-U-License Ag Indicateur de temps a regulation mecanique
EP1903408A2 (fr) * 2006-09-25 2008-03-26 Franck Müller Watchland SA Tourbillon pour pièce d'horlogerie
EP1995650A1 (fr) * 2007-05-23 2008-11-26 Blancpain S. A. Mouvement horloger comprenant un carrousel
EP2520985A1 (fr) * 2011-04-13 2012-11-07 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Mécanisme d'indication
CH705039A2 (de) * 2011-05-23 2012-11-30 Progress Watch Corp Uhrwerk.

Also Published As

Publication number Publication date
TWI743189B (zh) 2021-10-21
US10481557B2 (en) 2019-11-19
CH712973B1 (de) 2023-12-29
TW201826050A (zh) 2018-07-16
CH712973A1 (de) 2018-03-29
JP2018049013A (ja) 2018-03-29
JP7022546B2 (ja) 2022-02-18
SG10201707656YA (en) 2018-04-27
CN107870549B (zh) 2021-10-22
EP3306417B1 (fr) 2020-09-30
US20180088531A1 (en) 2018-03-29
CN107870549A (zh) 2018-04-03
KR20180033067A (ko) 2018-04-02
KR102480836B1 (ko) 2022-12-23

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