EP2015145A1 - Vertikale Kupplungsvorrichtung für Uhr - Google Patents

Vertikale Kupplungsvorrichtung für Uhr Download PDF

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Publication number
EP2015145A1
EP2015145A1 EP07011353A EP07011353A EP2015145A1 EP 2015145 A1 EP2015145 A1 EP 2015145A1 EP 07011353 A EP07011353 A EP 07011353A EP 07011353 A EP07011353 A EP 07011353A EP 2015145 A1 EP2015145 A1 EP 2015145A1
Authority
EP
European Patent Office
Prior art keywords
mobile
wheel
clutch device
rotation
clutch
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
EP07011353A
Other languages
English (en)
French (fr)
Other versions
EP2015145B1 (de
Inventor
Karl-Friedrich Scheufele
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 Manufacture SA
Original Assignee
Chopard Manufacture 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 Manufacture SA filed Critical Chopard Manufacture SA
Priority to EP07011353.5A priority Critical patent/EP2015145B1/de
Priority to CNA2008101446141A priority patent/CN101324782A/zh
Priority to US12/136,790 priority patent/US7712953B2/en
Priority to JP2008178426A priority patent/JP5247270B2/ja
Publication of EP2015145A1 publication Critical patent/EP2015145A1/de
Priority to HK09100946.6A priority patent/HK1123368A1/xx
Application granted granted Critical
Publication of EP2015145B1 publication Critical patent/EP2015145B1/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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/006—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices)
    • G04B11/008—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices) with friction members, e.g. click springs or jumper
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0833—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting perpendicular to the plane of the movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements
    • G04F7/0876—Split-time function, e.g. rattrappante

Definitions

  • the present invention relates to a clutch device for a timepiece, more particularly for a chronograph.
  • the chronograph wheel carrying the chronograph hand is connected to the seconds wheel by means of a clutch.
  • the clutch can occupy an engaged position, corresponding to the chronograph running position, where the chronograph wheel is driven by the seconds wheel, and a disengaged position, corresponding to the stop position of the chronograph, where the wheel of Chronograph is not driven by the seconds wheel and is immobilized by a brake.
  • the present invention relates to a particularly preferred type of clutch, namely vertical clutches. Unlike horizontal clutches, vertical clutches do not cause the chronograph hand to jump when the chronograph is turned on.
  • a vertical clutch generally comprises, on the same axis, a first mobile comprising a toothed wheel and a second mobile comprising another gear and a clutch cone.
  • the toothed wheel of the first moving wheel is engaged with the seconds wheel.
  • the toothed wheel of the second mobile is in engagement with the chronograph wheel.
  • the clutch cone cooperates with a clamp whose openings and closures are controlled by a column wheel.
  • a closure of the clamp moves the mobile against each other against the action of a spring while an opening of the clamp brings the movable contact with each other under the action of the spring.
  • the present invention aims to provide a vertical clutch device that allows the use of a lower force spring and does not require the use of the aforementioned greases.
  • a clutch device for a timepiece particularly for a chronograph, comprising coaxial first and second rotatable mobiles that can assume an engaged axial axial position in which a rotation of the first mobile causes rotation of the second mobile. and a disengaged relative axial position in which a rotation of the first mobile does not cause rotation of the second mobile, characterized in that it further comprises a friction member of a viscoelastic material interposed between the mobiles to transmit the rotation of the first mobile to the second mobile in the engaged position.
  • the present invention also provides a chronograph mechanism as defined in appended claim 8.
  • a vertical chronograph clutch device comprises a lower rotatable mobile 1 and an upper rotary mobile 2 mounted on a clutch axis 3 pivoted in two bearings 4, 5.
  • the lower mobile 1 is constituted by a wheel toothed which is rotatable about the axis 3 and which rests on a flange 6 of the axis 3.
  • This lower mobile 1 meshes permanently with the seconds wheel 7 of the movement, which rotates at a rate of revolution per minute.
  • the upper mobile 2 is mounted movably about the axis 3, more precisely around a tube 8 driven on the axis 3.
  • the upper mobile 2 consists of several coaxial elements rigidly assembled together, namely a so-called toothed wheel upper clutch wheel 9, a clutch cone 10 and a clutch tube 11.
  • the clutch tube 11 surrounds the tube 8, in a manner that is mobile in rotation and in translation, and comprises at its periphery bearing surfaces 12, 13 on which are driven respectively the upper clutch wheel 9 and the clutch cone 10.
  • the clutch cone 10 is located between the upper clutch wheel 9 and the lower mobile 1 and is in contact, by its surface upper annular plane, with the lower annular flat surface of the upper clutch wheel 9.
  • the upper clutch wheel 9 meshes permanently with the chronograph wheel 14, whose axis carries the chronograph hand, it is to say the needle of comp seconds.
  • the spring 16 has an annular central portion 17 which surrounds the tube 8 and a number of blades 18, for example six, which start from the part 17 and one of which is supported on the upper clutch wheel 9 and the other bearing on the washer 15. Aux Figures 1 and 2 only two blades 18 are visible.
  • the spring 16 holds the washer 15 axially in abutment against an annular shoulder 19 of the tube 8 and tends to move the upper mobile 2 of the washer 15, and thus to bring the upper mobile 2 of the lower mobile 1.
  • the upper mobile 2 is movable in axial translation on the tube 8 between an engaged position shown in FIG. figure 1 , where the upper mobile 2 is pressed against the lower mobile 1, and a disengaged position shown in FIG. figure 2 where the mobiles 1, 2 are distant from each other.
  • the lower mobile 1 drives the upper mobile 2 by friction which transmits the movement of the seconds wheel 7 to the chronograph wheel 14.
  • the friction between the tube 8, the upper mobile 2, the spring 16 and the washer 15 causes the elements 1, 2, 3, 8, 15 and 16 to rotate together in the engaged position.
  • the disengaged position the lower mobile 1 rotates without driving the upper mobile 2 and therefore does not transmit the movement of the seconds wheel 7 to the chronograph wheel 14.
  • the axial displacement of the upper mobile 2 is controlled by a clamp 20 which can be closed to come into contact with the clutch cone 10 and lift it against the action of the spring 16 ( figures 2 and 4 ) or open to let the spring 16 press the upper mobile 2 against the lower mobile 1 ( figures 1 and 3 ).
  • a clamp 20 which can be closed to come into contact with the clutch cone 10 and lift it against the action of the spring 16 ( figures 2 and 4 ) or open to let the spring 16 press the upper mobile 2 against the lower mobile 1 ( figures 1 and 3 ).
  • one 21 of the two branches 21, 22 of the clamp 20 controls the other branch 22 and cooperates with a column wheel 23 by a spout 24.
  • the column wheel 23 is controlled by a push-button on / off (not shown) of the chronograph. Each press of the push button rotates the column wheel 23 one step, which closes or opens the clamp 20 according to the position of the nozzle 24 relative to the columns.
  • the spout 24 In an angular position on two of the column wheel 23 ( figure 4 ), the spout 24 is supported on a column 25 of the wheel 23 against the action of a return spring 26 of the clamp 20, which maintains the clip 20 in its closed position. In the other angular positions of the column wheel 23 ( figure 3 ), the spout 24 is between two columns 25 and the action of the return spring 26 holds the clamp 20 in its open position.
  • the clamp 20 plates the upper mobile 2 against the washer 15, with the spring 16 between them, which makes the whole assembly 1, 2, 3, 8, 15 and 16 until a shoulder 27 of the axis 3 bears against the upper bearing 4.
  • the friction between the axis 3 and the bearing 4, between the tube 8, the upper mobile 2 , the washer 15 and the spring 16, and between the clamp 20 and the clutch cone 10 cause the assembly 2, 3, 8, 15 and 16 to stop rotating, which stops the chronograph wheel 14. No specific brake is therefore necessary to stop the chronograph wheel 14.
  • the lower mobile 1, it rotates about the axis 3 in this disengaged position.
  • a hammer strikes a heart-shaped cam which rotates the chronograph wheel 14 to the zero position of the chronograph hand .
  • This rotation of the chronograph wheel 14 causes a rotation of the upper mobile 2.
  • the washer 15 and the spring 16 are driven in this rotation by friction with the upper mobile 2, the assembly 2, 15, 16 rotating about the axis 3 and tube 8.
  • the chronograph may include a so-called “flying back” function enabling the chronograph to be reset while the chronograph is running.
  • a lever (not shown) closes the clamp 20 under the action of a reset button to stop the chronograph and the reset hammer is then actuated.
  • the mobiles 1, 2 are not pressed directly against each other but via a seal 30 made of a viscoelastic material.
  • This seal 30 has an annular shape, typically toric, coaxial with the axis 3, and is housed in a annular housing 31 defined by the clutch tube 11 and the clutch cone 10 and open downwards, that is to say towards the lower mobile 1. A portion of the seal 30 protrudes from the housing 31 so that in the engaged position of the clutch, the seal 30 is clamped between the bottom of the housing 31 and the lower mobile 1 by the action of the spring 16 without the lower and upper mobile 1, 2 touch.
  • the seal 30 has an inside diameter that is smaller than the minimum inside diameter of the housing 31 so that the seal 30 is inserted and held in the housing 31 by being radially stretched therein.
  • the assembly of the elements of the upper mobile 2 is done by first placing the seal 30 around the clutch tube 11, then by driving the clutch cone 10 around the clutch tube 11 and the seal 30.
  • the viscoelastic material forming the seal 30 is for example natural rubber or synthetic rubber such as neoprene, polybutadiene, polyurethane, silicone, etc.
  • the lower and upper mobiles 1, 2 can themselves be made of any suitable material, typically a metallic material.
  • the seal 30 could be housed in the lower mobile 1 rather than in the upper mobile 2.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Mechanical Operated Clutches (AREA)
EP07011353.5A 2007-06-11 2007-06-11 Vertikale Kupplungsvorrichtung für Uhr Active EP2015145B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP07011353.5A EP2015145B1 (de) 2007-06-11 2007-06-11 Vertikale Kupplungsvorrichtung für Uhr
CNA2008101446141A CN101324782A (zh) 2007-06-11 2008-06-06 钟表件的垂直离合器装置
US12/136,790 US7712953B2 (en) 2007-06-11 2008-06-11 Vertical clutch device for timepiece
JP2008178426A JP5247270B2 (ja) 2007-06-11 2008-06-11 時計の垂直形クラッチ装置
HK09100946.6A HK1123368A1 (en) 2007-06-11 2009-02-03 Vertical clutch device for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07011353.5A EP2015145B1 (de) 2007-06-11 2007-06-11 Vertikale Kupplungsvorrichtung für Uhr

Publications (2)

Publication Number Publication Date
EP2015145A1 true EP2015145A1 (de) 2009-01-14
EP2015145B1 EP2015145B1 (de) 2013-05-01

Family

ID=39263044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07011353.5A Active EP2015145B1 (de) 2007-06-11 2007-06-11 Vertikale Kupplungsvorrichtung für Uhr

Country Status (5)

Country Link
US (1) US7712953B2 (de)
EP (1) EP2015145B1 (de)
JP (1) JP5247270B2 (de)
CN (1) CN101324782A (de)
HK (1) HK1123368A1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012010392A3 (fr) * 2010-07-21 2012-04-26 Blancpain Sa Pièce d'horlogerie à double affichage
EP2463986A1 (de) 2010-12-10 2012-06-13 Celsius X Vi Ii Tragbares elektronisches Gerät
EP3185081A1 (de) * 2015-12-23 2017-06-28 Rolex Sa Uhrmodul
EP3264198A1 (de) 2016-07-01 2018-01-03 Montres Breguet S.A. Uhr mit schaltvorrichtung für einen mechanismus dieser uhr
EP3407143A1 (de) 2017-05-24 2018-11-28 Rolex Sa Mechanische verbindungsvorrichtung
CH717701A1 (fr) * 2020-07-30 2022-01-31 Montres Breguet Sa Ensemble sympathique d'horlogerie.
EP4202577A1 (de) 2021-12-21 2023-06-28 Manufacture d'Horlogerie Audemars Piguet SA Wippevorrichtung eines uhrwerks

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703008A1 (fr) * 2010-04-23 2011-10-31 Francois-Regis Richard Mecanisme de chronographe, mouvement horloger et piece d'horlogerie comprenant un tel mecanisme.
EP3123251B1 (de) * 2014-03-26 2021-04-28 The Swatch Group Management Services AG Uhr mit einem drehbaren höhenring
EP3002636B1 (de) * 2014-10-02 2017-08-09 ETA SA Manufacture Horlogère Suisse Koaxiale ausrückbare Räder eines Uhrwerks
DE102015122629B3 (de) * 2015-12-22 2017-03-16 Lange Uhren Gmbh Einstellvorrichtung einer Uhr
EP3324249A1 (de) * 2016-11-17 2018-05-23 Nogerah SA Kupplungssystem für chronograph
CN106896693A (zh) * 2016-12-16 2017-06-27 惠贯有限公司 一种手表用垂直离合结构
EP3547045B1 (de) * 2018-03-26 2022-05-04 Montres Breguet S.A. Übertragungsmechanismus einer uhr mit reduziertem kupplungsaufwand
EP3839658A1 (de) * 2019-12-20 2021-06-23 Blancpain SA Anzeigeänderungsmechanismus
EP3869278B1 (de) 2020-02-21 2023-03-08 Montres Breguet S.A. Vertikale kupplungsvorrichtung für uhr
EP4270116A1 (de) * 2022-04-29 2023-11-01 Glashütter Uhrenbetrieb GmbH Umschaltbarer anzeigemechanismus für uhr

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH538716A (fr) 1970-11-24 1973-08-15 Dubois & Depraz Sa Mécanisme d'embrayage pour pièce d'horlogerie
EP1791043A1 (de) 2005-11-24 2007-05-30 Vaucher Manufacture Fleurier SA Chronographenwerk für Uhr

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH533532A (de) * 1972-01-19 1973-02-15 Rudolf Schweizer Fa Verfahren zur Signalisierung der Durchfahrt eines Schienenfahrzeuges und Vorrichtung zur Ausführung des Verfahrens
JP2899968B1 (ja) * 1998-01-07 1999-06-02 セイコーインスツルメンツ株式会社 クロノグラフ輪列構造
JP5025855B2 (ja) * 2001-04-27 2012-09-12 セイコーインスツル株式会社 腕携帯用機器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH538716A (fr) 1970-11-24 1973-08-15 Dubois & Depraz Sa Mécanisme d'embrayage pour pièce d'horlogerie
EP1791043A1 (de) 2005-11-24 2007-05-30 Vaucher Manufacture Fleurier SA Chronographenwerk für Uhr

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012010392A3 (fr) * 2010-07-21 2012-04-26 Blancpain Sa Pièce d'horlogerie à double affichage
EP2463986A1 (de) 2010-12-10 2012-06-13 Celsius X Vi Ii Tragbares elektronisches Gerät
EP3185081A1 (de) * 2015-12-23 2017-06-28 Rolex Sa Uhrmodul
US11042123B2 (en) 2015-12-23 2021-06-22 Rolex Sa Clockwork module
EP3264198A1 (de) 2016-07-01 2018-01-03 Montres Breguet S.A. Uhr mit schaltvorrichtung für einen mechanismus dieser uhr
US10078310B2 (en) 2016-07-01 2018-09-18 Montres Breguet S.A. Timepiece comprising a device for switching a mechanism of said timepiece
EP3407143A1 (de) 2017-05-24 2018-11-28 Rolex Sa Mechanische verbindungsvorrichtung
US11262707B2 (en) 2017-05-24 2022-03-01 Rolex Sa Mechanical connection device
CH717701A1 (fr) * 2020-07-30 2022-01-31 Montres Breguet Sa Ensemble sympathique d'horlogerie.
EP4202577A1 (de) 2021-12-21 2023-06-28 Manufacture d'Horlogerie Audemars Piguet SA Wippevorrichtung eines uhrwerks
WO2023119079A1 (fr) 2021-12-21 2023-06-29 Manufacture D' Horlogerie Audemars Piguet Sa Dispositif de bascule d'un mécanisme horloger

Also Published As

Publication number Publication date
HK1123368A1 (en) 2009-06-12
JP2008304469A (ja) 2008-12-18
US7712953B2 (en) 2010-05-11
CN101324782A (zh) 2008-12-17
JP5247270B2 (ja) 2013-07-24
US20080304370A1 (en) 2008-12-11
EP2015145B1 (de) 2013-05-01

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