EP3018535A1 - Aufziehvorrichtung mit unidirektionaler Antriebsanordnung - Google Patents

Aufziehvorrichtung mit unidirektionaler Antriebsanordnung Download PDF

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Publication number
EP3018535A1
EP3018535A1 EP14192336.7A EP14192336A EP3018535A1 EP 3018535 A1 EP3018535 A1 EP 3018535A1 EP 14192336 A EP14192336 A EP 14192336A EP 3018535 A1 EP3018535 A1 EP 3018535A1
Authority
EP
European Patent Office
Prior art keywords
rotation
wheel
sun gear
winding
central axis
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
EP14192336.7A
Other languages
English (en)
French (fr)
Other versions
EP3018535B1 (de
Inventor
Eric Goeller
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP14192336.7A priority Critical patent/EP3018535B1/de
Priority to JP2015214175A priority patent/JP6091581B2/ja
Priority to US14/929,708 priority patent/US9400487B2/en
Priority to CN201510751631.1A priority patent/CN105589320B/zh
Publication of EP3018535A1 publication Critical patent/EP3018535A1/de
Application granted granted Critical
Publication of EP3018535B1 publication Critical patent/EP3018535B1/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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/006—Mechanical winding up; winding up with special equipment
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/04—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
    • G04B5/08—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited acting in both directions
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/04—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
    • G04B5/06—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited acting in one direction only
    • 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
    • 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
    • G04B5/00—Automatic winding up
    • 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
    • G04B7/00—Combined normal and automatic winding up
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch

Definitions

  • the invention relates to a winding device with a unidirectional drive arrangement for a watch.
  • This device can be used for winding or winding a barrel spring for driving a clockwork movement or for driving, for example, a date or time correction disc.
  • the device comprises at least one solar drive gear rotatably mounted about a central axis arranged coaxially on a winding wheel, which can be connected to the motor spring barrel of the clockwork movement.
  • a wolf wheel in cooperation with two pawls.
  • the two pawls are held by small springs against the wheel to block rotation in one direction and allow rotation in another direction. It must also be provided another pawl under the frame wheel to lock the winding of the mainspring. This locking pawl under the wheel is difficult to access and this does not allow easy disassembly including the cylinder or parts in connection with the barrel. This is generally a disadvantage of such a winding system.
  • an inverter mechanism for a device for automatic winding oscillating weight of a movement of a watch.
  • the mechanism comprises a winding wheel, which is mounted coaxially with two wolf-tooth wheels, which are arranged on either side of the winding wheel.
  • This winding wheel carries on each of its faces at least one ratchet loaded by a spring and cooperating respectively with one of the wolf-toothed wheels.
  • This assembly is arranged in the kinematic chain of motion, interposed between the oscillating weight and the spring of the drive spring of the watch.
  • the pawls are assigned to the transmission of the rotation of the oscillating mass, and are respectively articulated on pivoting members, which are integral with the winding wheel.
  • Such a mechanism with the winding device includes too many parts, which does not facilitate the maintenance of the watch and is a drawback.
  • a timepiece that includes a chronograph and a watch.
  • the chronograph hands are driven by a first gear, which in turn drives a first resonator.
  • the hands of the watch are driven by a second wheel independent of the first wheel, which in turn drives a second resonator.
  • the first and second wheels are driven by a single source of energy.
  • the energy source is a barrel rotating freely about an axis and containing a mainspring. This motor spring can be loaded by driving a wolf wheel mounted on the axis of the barrel and blocked in a direction of rotation by ratchets.
  • a unidirectional drive arrangement in connection with the barrel.
  • the object of the invention is to overcome the drawbacks of the above-mentioned state of the art by providing a winding device with a unidirectional drive arrangement, which is of simple design and which makes it easy to carry out maintenance or disassembly. part of the movement with the barrel to repair.
  • the invention relates to a winding device with unidirectional drive arrangement comprising the characteristics defined in the independent claim 1.
  • the winding device lies in the fact that there is no longer a need for multiple small springs and armature locking pawls to have a unidirectional drive arrangement especially for use in winding a spring. barrel. This is different from the winding systems of the state of the art.
  • the winding device allows in particular to load or raise the mainspring of the barrel by an action directly on the central axis connected to the center of the barrel.
  • the central axis can be connected to an inner end of the motor spiral spring.
  • a first direction of rotation of a sun gear of the device the winding wheel connected to the central axis is rotated to raise the spring.
  • a clutch takes place without driving the winding wheel.
  • An advantage of the winding device lies in the fact that a lower portion of the sun gear comprises truncated teeth to facilitate blocking of each satellite gear in contact with at least one hook in the first direction of rotation of the sun gear.
  • Each satellite gear wheel is mounted with a certain clearance around an offset axis fixed on the winding wheel. This makes it possible to obtain a locking position in a first direction of rotation of the sun gear and a position of disengagement or freedom of rotation in a second direction of rotation of the sun gear.
  • the invention relates to an assembly for reassembling at least one mainspring of at least one cylinder of a movement timepiece of a watch via a winding device comprising the characteristics defined in the independent claim 17.
  • the Figures 1a and 1b represent a winding device 1 with unidirectional drive arrangement seen from above and below.
  • the winding device 1 comprises a sun gear 2 mounted free to rotate on a winding wheel 5, which may be a wolf-tooth wheel 15.
  • the sun gear 2 is arranged coaxially on a surface of the winding wheel 5 As represented in figure 2 , the sun gear 2 is rotatably mounted about an axis or central shaft 22 not shown to Figures 1a and 1b which is inserted into a tubular opening 12 of the sun gear 2 of substantially similar diameter.
  • the winding device 1 also comprises at least one satellite toothed wheel 3 for meshing with the toothing of the sun gear 2.
  • the satellite gear 3 is mounted free to rotate with a certain clearance 4 about an axis or offset shaft 7 parallel to the central axis 22.
  • This offset axis 7 is fixed perpendicularly to the winding wheel 5.
  • the diameter of the opening of the satellite gear wheel 3 can be between 20% and 30%, preferably close to 25% of the diameter of the offset axis 7 to define the certain set of freedom of rotation.
  • the winding device 1 also comprises at least one hook 9 fixedly mounted on the winding wheel 5 to engage a tooth of the satellite gear wheel 3 as a function of the position of the toothed wheel 3 about the offset axis 7
  • a first direction of rotation of the sun gear 2 which is the direction "a" shown in FIG. figure 3a in a clockwise direction
  • the toothing of the satellite gear wheel 3 thus engages with said hook 9 so as to be in a locking position.
  • At least one tooth of the satellite toothed wheel 3 is also locked between two teeth of the sun gear 2.
  • the rotation of the sun gear 2 in the first direction of rotation causes the wheel of reassembly 5, which can allow to remount a mainspring of a barrel as explained below with reference to the figure 2 .
  • two planet gears 3, 3 ' are provided for meshing each with the toothing of the sun gear 2.
  • Each planet gear 3, 3' is mounted free to rotate with a certain clearance 4 about a respective offset axis 7, 7 'parallel to the central axis 22.
  • the two offset axes 7, 7' are fixed on the winding wheel 5.
  • the two satellite gear wheels 3, 3 ' may have an equivalent diameter.
  • the two offset axes 7, 7 'of the planet gears 3, 3' are equidistant from the central axis 22 and are preferably 180 ° apart from the central axis 22.
  • the winding device 1 may further comprise two hooks 9, 9' fixedly mounted on the winding wheel 5.
  • a first hook 9 is opposite the first satellite gear 3, while a second hook 9 'is opposite the second satellite gear 3'.
  • the winding device 1 preferably further comprises a frame 6 fixedly mounted coaxially on the winding wheel 5.
  • This frame encloses in a housing, the satellite gear 3 or the planet gear 3, 3 '.
  • the housing comprises an upper wall covering the planet gears 3, 3 'and two side walls parallel to each other and to the right connecting the central axis 22 and the offset axes 7, 7'.
  • the distance separating each side wall is substantially similar to the diameter of the sun gear 2.
  • the housing is open on two opposite sides allowing a portion of each wheel to pass.
  • the chassis 6 comprises at least the first hook 9 to come to block in rotation the satellite gear 3 in the first direction of rotation of the sun gear 2.
  • the frame 6 preferably comprises the first and second hooks 9, 9 'respectively facing the first and second planet gears 3, 3'. These two hooks 9, 9 'are arranged at the periphery of the frame 6 and an inside of the frame 6.
  • the two hooks 9, 9' are made of material with the other parts of the frame.
  • the two hooks 9, 9' are equidistant from the central axis 22. They are each made in the form of an inwardly curved portion from one of the respective side walls of the chassis housing, which encloses the two planet gear wheels 3, 3 '.
  • the two hooks 9, 9 ' are arranged at 180 ° to each other relative to the central axis 22.
  • One of the hooks is formed at the periphery of the frame 6 on one of the side walls of the housing, and the other hook is made at the periphery of the frame 6 on the other side wall.
  • the two hooks 9, 9 ' are offset by an angle of between 20 ° and 30 °, preferably 25 °, of the two planet gears 3, 3'. They are angularly offset between 20 ° and 30 ° in the first direction of rotation of the sun gear 2.
  • the two hooks 9, 9 'in the frame 6 can also be arranged angularly offset between 20 ° and 30 ° in the second direction of rotation of the sun gear 2 of the embodiment of the Figures 1a and 1 b.
  • this constitutes a reverse operating arrangement of the winding device 1 described with reference to the Figures 1a and 1b .
  • the first direction of rotation of the sun gear 2 of the locking position corresponds to the second direction of rotation of the sun gear 2 shown in FIGS. Figures 1a and 1b .
  • the second direction of rotation of the reverse-operation device corresponds to the first direction of rotation of the sun gear 2 shown to the Figures 1a and 1b with disengagement of the satellite gear wheels.
  • the winding wheel 5 can be rotated inversely to the embodiment of the Figures 1a and 1 b.
  • the frame 6 is fixed on the winding wheel 5, which is a wolf wheel 15, by two screws 8 inserted into openings 6a of the frame and screwed into threaded openings 5a of the winding wheel 5.
  • the openings 6a are made in a solid part of the frame and are arranged in a direction perpendicular to the direction of the offset axes 7, 7 'of the planet gears 3, 3'.
  • the chassis 6 further comprises two passage openings 6b of the offset axes 7, 7 'to keep the planet gear wheels 3, 3' locked between the winding wheel 5 and the inside of the chassis housing 6.
  • the chassis further comprises an upper opening 14 for the passage of an upper portion 2a of the sun gear 2.
  • This upper portion 2a of the sun gear 2 which protrudes from the frame 6 fixed on the winding wheel 5, is capable of being driven rotating in the first direction of rotation and the second direction of rotation by a not shown drive wheel.
  • This drive wheel is connected to an oscillating weight, not shown, of a watch movement of the watch.
  • the sun gear 2 further comprises a lower portion 2b for meshing with the one or more planet gears 3, 3 '.
  • the teeth of the lower portion 2b of the sun gear 2 are truncated to facilitate locking of at least one tooth of the planet gear or wheels 3, 3 'between two teeth of the lower portion 2b.
  • the locking of at least one of the planet gears 3, 3 ' occurs in the first direction of rotation of the sun gear 2.
  • the winding wheel 5 comprises a central opening 16, which is of rectangular section to cooperate with a portion of the central axis 22 of complementary shape. This makes it possible to make the central axis 22 of the winding wheel 5 integral with the rotation of the winding wheel 5.
  • a not shown bottom portion of the central axis 22 is intended to be connected to one end of a motor spring 23 of a cylinder 21 shown in FIG. figure 2 for the winding of the spring during the rotation of the sun gear 2 in the first direction of rotation.
  • each planet gear 3, 3 ' may be provided to have an outer diameter of each planet gear 3, 3 'between 1.3 and 1.5 times smaller than the outer diameter of the sun gear 2. It can be provided by example of having an outer diameter of each toothed satellite gear 3, 3 'of the order of 3 mm and an outer diameter of the sun gear 2 of the order of 4 mm.
  • the diameter of the tubular opening 12 of the sun gear 2 may be of the order of 1.5 mm.
  • the diameter of each offset axis may be of the order of 0.7 mm, while the axial opening 4 of each satellite gear 3, 3 'may be of the order of 0.9 mm.
  • Each hook 9, 9 'can is distant of the order of 2.6 mm from the center of the central axis 22.
  • the satellite gear wheels 3, 3' can comprise 7 teeth
  • the sun gear 2 can include 10 teeth.
  • the winding device 1 by means of its winding wheel 5 is mounted on an upper surface of a cage 21 of the barrel.
  • a drive wheel 26 of a gear chain of the watch movement is disposed on a lower surface of the cage 21 of the barrel. This drive wheel 26 can be connected to an outer end of the mainspring 23.
  • the lower portion of the central axis 22 of the device is connected to an inner end of the motor spring 23.
  • the fixed end of the motor spring 23 is on the center side of the spiral spring.
  • the motor spring 23 can thus be raised during the rotation of the sun gear 2 in particular in the first direction of rotation.
  • the upper portion 2a of the sun gear 2 can mesh with a non-drive tooth wheel. shown in connection with an oscillating weight of a watch movement.
  • the assembly 10 further comprises a locking pawl 20, which is normally mounted on a bridge or mounting plate of the not shown clockwork movement.
  • a tooth 25 of this locking pawl 20 locks in a direction of rotation the winding wheel 5, which is a wolf-tooth wheel 15.
  • the tooth 25 blocks the lion-tooth wheel 15 in the second direction of rotation of the winding device 1 presented with reference to Figures 1a and 1 b.
  • a first motor spring 23 of a first barrel 21 can be provided, which can be reassembled by means of a first winding device 1 shown in FIG. figure 2 , and not shown, a second motor spring of a second cylinder, which can be reassembled via a second winding device in reverse operation of the first winding device.
  • the drive wheel in connection with an oscillating weight of a clockwork movement is arranged to mesh with the upper portions of the sun gears of the first and second winding devices.
  • the first spring is raised in the first direction of rotation of the sun gear of the first winding device, while the second spring is raised in the first direction of rotation of the sun gear of the second winding device, which is the reverse of the first direction of rotation of the first winding device.
  • winding device can be designed by the skilled person without departing from the scope of the invention defined by the claims. It can be provided more than two satellite gears in cooperation respectively with more than two hooks.
  • the winding device can also be used for a time setting being activated by means of a crown rod of the watch.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Retarders (AREA)
  • Gears, Cams (AREA)
EP14192336.7A 2014-11-07 2014-11-07 Aufziehvorrichtung mit unidirektionaler Antriebsanordnung Active EP3018535B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP14192336.7A EP3018535B1 (de) 2014-11-07 2014-11-07 Aufziehvorrichtung mit unidirektionaler Antriebsanordnung
JP2015214175A JP6091581B2 (ja) 2014-11-07 2015-10-30 単方向性の駆動構成を備えた巻きデバイス
US14/929,708 US9400487B2 (en) 2014-11-07 2015-11-02 Winding device with unidirectional drive arrangement
CN201510751631.1A CN105589320B (zh) 2014-11-07 2015-11-06 具有单向驱动机构的上条装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14192336.7A EP3018535B1 (de) 2014-11-07 2014-11-07 Aufziehvorrichtung mit unidirektionaler Antriebsanordnung

Publications (2)

Publication Number Publication Date
EP3018535A1 true EP3018535A1 (de) 2016-05-11
EP3018535B1 EP3018535B1 (de) 2018-09-05

Family

ID=51862226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14192336.7A Active EP3018535B1 (de) 2014-11-07 2014-11-07 Aufziehvorrichtung mit unidirektionaler Antriebsanordnung

Country Status (4)

Country Link
US (1) US9400487B2 (de)
EP (1) EP3018535B1 (de)
JP (1) JP6091581B2 (de)
CN (1) CN105589320B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4198640A1 (de) 2021-12-15 2023-06-21 Richemont International S.A. Planetengetriebegleichrichter und automatikaufzug für uhren

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2657167T3 (es) * 2015-06-11 2018-03-01 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Inversor de relojería y reloj con remontaje automático que comprende su aplicación
CN106406066B (zh) * 2016-06-29 2018-07-20 辽宁孔雀表业有限公司 一种自动手表的外齿行星轮式换向机构
CH714365B1 (fr) * 2017-11-24 2023-03-31 Blancpain Sa Mobile d'horlogerie à roue unidirectionnelle.
USD881058S1 (en) * 2018-03-05 2020-04-14 Montres Breguet S.A. Escapement wheel
EP3547045B1 (de) * 2018-03-26 2022-05-04 Montres Breguet S.A. Übertragungsmechanismus einer uhr mit reduziertem kupplungsaufwand
CH719375B1 (fr) * 2022-01-24 2025-07-31 Bulgari Horlogerie Sa Dispositif de commande pour une pièce d'horlogerie.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH173803A (fr) * 1932-02-19 1934-12-15 Hatot Leon Ets Mécanisme de remontage pour pièces d'horlogerie.
CH308940A (fr) * 1953-04-16 1955-08-15 Omega Brandt & Freres Sa Louis Montre à remontage automatique.
CH308939A (fr) * 1953-03-24 1955-08-15 Omega Brandt & Freres Sa Louis Mécanisme de remontoir pour montre.
EP0278338A1 (de) 1987-02-06 1988-08-17 Fabrique Ebel Société Anonyme Umschaltmechanismus für eine automatische Uhrenaufziehvorrichtung
EP2221676A1 (de) 2009-02-24 2010-08-25 Montres Breguet SA Uhr bestehend aus einem Chronographen und einem Uhrwerk

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CH325582A (fr) * 1955-10-27 1957-11-15 Longines Montres Comp D Dispositif d'entraînement à sens unique, notamment pour pièce d'horlogerie à remontage automatique
ES2325232T3 (es) * 1999-08-04 2009-08-28 Frederic Piguet S.A. Dispositivo indicador de reserva de marcha para una pieza de relojeria.
EP1843225B1 (de) * 2006-04-07 2009-07-15 ETA SA Manufacture Horlogère Suisse Mechanischer Wechsler zum Drehantreiben eines Rades aus einer einzelnen Richtung
EP1845425B1 (de) * 2006-04-12 2011-07-13 Montres Breguet S.A. Uhr mit Schlagwerk, das ein einziges Federhaus umfasst
EP2515186B1 (de) * 2011-04-20 2014-06-11 Cartier Création Studio S.A. Gear-train for timepiece
EP2674818B1 (de) * 2012-06-14 2017-08-02 Blancpain SA. Anzeige auf Schwungmasse eines Uhrwerkes mit automatischem Aufzug
CH707136B1 (fr) * 2012-10-30 2016-12-30 Parmigiani Fleurier S A Pièce d'horlogerie destinée à indiquer la réserve de marche.
EP2897000B1 (de) * 2014-01-15 2017-02-01 Audemars Piguet (Renaud et Papi) SA Wendegetriebe für Uhr

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH173803A (fr) * 1932-02-19 1934-12-15 Hatot Leon Ets Mécanisme de remontage pour pièces d'horlogerie.
CH308939A (fr) * 1953-03-24 1955-08-15 Omega Brandt & Freres Sa Louis Mécanisme de remontoir pour montre.
CH308940A (fr) * 1953-04-16 1955-08-15 Omega Brandt & Freres Sa Louis Montre à remontage automatique.
EP0278338A1 (de) 1987-02-06 1988-08-17 Fabrique Ebel Société Anonyme Umschaltmechanismus für eine automatische Uhrenaufziehvorrichtung
EP2221676A1 (de) 2009-02-24 2010-08-25 Montres Breguet SA Uhr bestehend aus einem Chronographen und einem Uhrwerk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4198640A1 (de) 2021-12-15 2023-06-21 Richemont International S.A. Planetengetriebegleichrichter und automatikaufzug für uhren

Also Published As

Publication number Publication date
JP2016090579A (ja) 2016-05-23
JP6091581B2 (ja) 2017-03-08
US20160132022A1 (en) 2016-05-12
CN105589320A (zh) 2016-05-18
CN105589320B (zh) 2018-04-13
US9400487B2 (en) 2016-07-26
EP3018535B1 (de) 2018-09-05

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