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EP3869280B1 - Anzeigemechanismus für uhr - Google Patents

Anzeigemechanismus für uhr Download PDF

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Publication number
EP3869280B1
EP3869280B1 EP20158326.7A EP20158326A EP3869280B1 EP 3869280 B1 EP3869280 B1 EP 3869280B1 EP 20158326 A EP20158326 A EP 20158326A EP 3869280 B1 EP3869280 B1 EP 3869280B1
Authority
EP
European Patent Office
Prior art keywords
display mechanism
eccentric
horological
elastically deformable
cam
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.)
Active
Application number
EP20158326.7A
Other languages
English (en)
French (fr)
Other versions
EP3869280A1 (de
Inventor
Fabien Gros
Alain Zaugg
Patrice Golay
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 EP20158326.7A priority Critical patent/EP3869280B1/de
Priority to US17/128,687 priority patent/US11586149B2/en
Priority to JP2021003317A priority patent/JP6997349B2/ja
Priority to CN202110189252.3A priority patent/CN113281981B/zh
Publication of EP3869280A1 publication Critical patent/EP3869280A1/de
Application granted granted Critical
Publication of EP3869280B1 publication Critical patent/EP3869280B1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears

Definitions

  • the present invention relates to the field of watchmaking or jewelry. It concerns more precisely a clock display mechanism.
  • standard display mechanisms include a display needle or a disc and an aperture for displaying information.
  • the needle or the disc can be directly riveted onto a pinion or a toothed wheel for example.
  • the document CH 712 165 discloses a rake with a feeler which is angularly adjustable thanks to an eccentric screw
  • An aim of the present invention is to overcome all or part of the drawbacks cited above by providing a display mechanism making it possible to adjust the position of the display independently of its assembly and remaining adjustable after assembly.
  • the invention also aims to provide a display mechanism allowing adjustment at any time to compensate for the wear of certain components of the display mechanism.
  • the invention also aims to provide a display mechanism having a small footprint, of simple design and economical to manufacture.
  • the invention relates to a clock display mechanism comprising a cam arranged to be driven by a time base, and at least a first means for driving a first display of a first magnitude , said drive means comprising a drive rake pivoting around an axis A and being arranged to cooperate, directly or indirectly, with a drive mobile of said first display, said drive rake comprising a first rigid part comprising a toothed sector and a second elastically deformable part, said first rigid part and second elastically deformable part being separated by a slot receiving an eccentric arranged to cooperate with said elastically deformable part and separate the latter from the first rigid part.
  • the invention also relates to a clock movement comprising at least one display mechanism according to the invention and a watch comprising such a clock movement and/or such a display mechanism.
  • a clock display mechanism will now be described in the following referring jointly to the figures 1, 2a, 2b , 3, 4a and 4b .
  • the invention relates to a clock display mechanism 1 comprising a cam 2 arranged to be driven by a time base, at least a first means of driving a first display 3 of a first magnitude, the means of drive comprising a drive rake 4 mounted to pivot around an axis A and being arranged to cooperate, directly or indirectly, with a drive mobile 30 of the first display 3.
  • the training rake 4 comprises a first rigid part 40 comprising a toothed sector 41 and second elastically deformable part 42, said first rigid part 40 and second elastically deformable part 42 being separated, at the level of the axis of pivoting A, by a slot 5 receiving an eccentric 6 arranged to cooperate with said elastically deformable part 42 and separate the latter from the first rigid part 40.
  • the second elastically deformable part 42 comprises at its free end a feeler 43 arranged to follow the contour of the cam 2 and a heel 44 arranged to cooperate with the eccentric 6, the rake 4 being forced against the cam 2 by means of a return spring not shown.
  • the rigid part 40 of the rake 4 comprises a notch 7 opening into the slot 5, the notch 7 being arranged to receive the eccentric 6 and hold it in position.
  • the eccentric 6 comprises a mushroom-shaped foot 60, a first portion 601 of the foot having a diameter greater than the diameter of the second portion 602.
  • the second portion 602 of the foot of the eccentric is arranged to rest in the notch 7, the first portion resting against the upper or lower face of the rigid part 40 and the eccentric 6.
  • the eccentric 6 comprises a body 61 in the form of a disc offset relative to the foot, the body 61 also resting against the upper or lower face of the rigid part 40 of the rake 4, so as to hold the eccentric 6 in place once the latter is inserted into the notch 7, the first portion 601 and the body 61 each resting against one of the faces of the rigid part 40 of the rake 4.
  • the eccentric 6 also has a head 62 of cylindrical shape comprising a slot 65 to facilitate rotation and adjustment using a tool such as a screwdriver for example.
  • the eccentric is in one piece and forms a single piece.
  • a person skilled in the art could consider making it in several parts and then assembling them.
  • the body 61 rests on the upper face of the rigid part 40 and is in point contact with the elastically deformable part 42, near the feeler 43.
  • the body 61 of the eccentric 6 includes notches 63 on all or part of its periphery and arranged to cooperate with the elastically deformable part, the passage from one notch to the next increasing the distance between the center of the eccentric 6 and the elastic part 42.
  • the body 61 also has a flat 64 to facilitate installation of the eccentric 6 and limit the stresses on the elastically deformable part 42, the flat being placed opposite the heel 44 during the insertion of the eccentric 6 in the slot 5 at the level of the notch 7 .
  • the eccentric 6 makes it possible to vary and adjust the opening angle ⁇ of the slot 5 and implicitly the position of the display 30, the opening angle ⁇ being between 0.08° and 1.04°, one notch (or a step) of the eccentric corresponding to a spacing of the elastically deformable part of 0.08°.
  • the eccentric 6 When the eccentric 6 is placed in the slot 5, at the level of the notch 7, the latter exerts a preload and opens the opening angle ⁇ by 2° relative to its rest position.
  • Such a configuration allows good support of the eccentric 6, the latter remaining in its location following a fall of the watch from a height of 50cm.
  • the cam 2 is a cochlea cam comprising, on its maximum radius, a beak 20, the passage of which controls a jump of the feeler 43 back to the minimum radius of the cam.
  • the profile of the cam is adapted to the trajectory that we wish to achieve, the example above being dedicated to a retrograde display of days.
  • other profiles are possible depending on the needs of those skilled in the art, such as a display of hours, date, months, years, moon, etc.).
  • the rigid part 40 of the rake 4 is machined near the eccentric 6 and has a lesser thickness compared to the elastically deformable part 42 so as to facilitate the manipulation of the eccentric 6
  • a person skilled in the art could also have installed a bore only at the level of the eccentric 6, the latter then being surrounded by a rigid part 40.
  • the eccentric 6 is placed near the slot 5 initially by orienting it so that the flat 64 is in contact with the heel 44 of the elastically deformable part 42. The operator or user then pushes the eccentric 6 until it clips the eccentric 6 into the notch 7 using the second portion 602 as a guiding means, the elastically deformable part 42 exerting a force on the eccentric 6 and holding it in place in the notch 7.
  • the mechanism is then mounted on a bridge, a plate of a watch movement, and the adjustment of the first display 3 can be carried out if necessary.
  • the operator rotates the eccentric 6 via the head 62 by means of a screwdriver, the notches 63 allowing fine adjustment and a better feeling for the operator .
  • the body 61 acts on the part elastically deformable 42 by making it move relative to the axis A and increases the opening angle ⁇ of the slot 5, which has the effect of modifying the position of the drive mobile 30 and ultimately of the display 3.
  • the operator can leave the eccentric 6 in position, the notches 63 and the heel 44 making it possible to maintain the eccentric in its position.
  • the rake and the eccentric are made of a metal or metal alloy but could also be made of silicon, ceramic or composite materials for example.
  • the display mechanism is a retrograde display.
  • the invention relates to a clock movement comprising at least one such display mechanism 1.
  • the invention also relates to a watch comprising such a clockwork movement, and/or comprising at least one such display mechanism 1.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Transmission Devices (AREA)
  • Instrument Panels (AREA)

Claims (11)

  1. Anzeigemechanismus (1) für Uhren umfassend eine Kurvenscheibe (2), die so angeordnet ist, dass sie von einer Zeitbasis angetrieben wird, mindestens einem ersten Antriebsmittel für eine erste Anzeige (3) einer ersten Größe, wobei das Antriebsmittel einen Antriebsrechen (4) umfasst, der um eine Achse A schwenkt und so angeordnet ist, dass er direkt oder indirekt mit einem Antriebsmobil (30) der ersten Anzeige (3) zusammenwirkt, wobei der Antriebsrechen (4) einen ersten starren Teil (40) mit einem gezahnten Sektor (41) und einen zweiten elastisch verformbaren Teil (42) umfasst, wobei der erste starre Teil (40) und der zweite elastisch verformbare Teil (42) durch einen Schlitz (5) getrennt sind, der einen Exzenter (6) aufnimmt, der so angeordnet ist, dass er mit dem elastisch verformbaren Teil (42) zusammenwirkt und diesen von dem ersten starren Teil (40) wegbewegt.
  2. Anzeigemechanismus (1) für Uhren nach Anspruch 1, dadurch gekennzeichnet, dass der zweite elastisch verformbare Teil (42) einen Taster (43) umfasst, der so angeordnet ist, dass er der Kontur der Kurvenscheibe (2) folgt.
  3. Anzeigemechanismus (1) für Uhren nach Anspruch 1 oder 2, wobei der starre Teil (40) eine Kerbe (7) umfasst, die in den Schlitz (5) mündet, wobei die Kerbe so angeordnet ist, dass sie den Exzenter (6) aufnimmt.
  4. Anzeigemechanismus (1) für Uhren nach Anspruch 3, wobei der Exzenter (6) nacheinander einen Fuß (60), der in der Kerbe (7) ruht, einen Körper (61) in Form einer Scheibe, die in Bezug auf den Fuß dezentriert ist, und einen Kopf (62) mit zylindrischer Form aufweist, wobei der Körper (61) auf dem starren Teil (40) ruht und punktuell mit dem elastisch verformbaren Teil (42) in Kontakt ist.
  5. Anzeigemechanismus (1) für Uhren nach Anspruch 4, wobei der Körper (61) des Exzenters (6) auf seinem gesamten oder einem Teil seines Umfangs Kerben (63) und eine Abflachung (64) umfasst, wobei die Rasten so angeordnet sind, dass sie mit dem elastisch verformbaren Teil zusammenwirken.
  6. Anzeigemechanismus (1) für Uhren nach einem der Ansprüche 1 bis 5, wobei der Schlitz (5) einen Öffnungswinkel α zwischen 0,08° und 1,04° aufweist, wobei der Öffnungswinkel α mittels des Exzenters (6) eingestellt wird.
  7. Anzeigemechanismus (1) für Uhren nach Anspruch 6 in Abhängigkeit von Anspruch 2, wobei die Kurvenscheibe (2) eine Schneckenkurvenscheibe ist, die auf ihrem maximalen Radius einen Messschnabel (20) aufweist, deren Durchgang einen Sprung des Tasters (43) zurück auf den minimalen Radius der Kurvenscheibe steuert.
  8. Anzeigemechanismus (1) für Uhren nach Anspruch 1 oder 2, wobei der verformbare Teil eine größere Dicke als der starre Teil aufweist.
  9. Anzeigemechanismus (1) für eine Uhr nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Anzeigemechanismus retrograd ist.
  10. Uhrwerk mit mindestens einem Anzeigemechanismus (1) nach einem der Ansprüche 1 bis 9.
  11. Uhr mit einem Uhrwerk nach Anspruch 10 und/oder mit einem Anzeigemechanismus (1) nach einem der Ansprüche 1 bis 9.
EP20158326.7A 2020-02-19 2020-02-19 Anzeigemechanismus für uhr Active EP3869280B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20158326.7A EP3869280B1 (de) 2020-02-19 2020-02-19 Anzeigemechanismus für uhr
US17/128,687 US11586149B2 (en) 2020-02-19 2020-12-21 Horological display mechanism
JP2021003317A JP6997349B2 (ja) 2020-02-19 2021-01-13 計時器用表示機構
CN202110189252.3A CN113281981B (zh) 2020-02-19 2021-02-19 钟表显示机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20158326.7A EP3869280B1 (de) 2020-02-19 2020-02-19 Anzeigemechanismus für uhr

Publications (2)

Publication Number Publication Date
EP3869280A1 EP3869280A1 (de) 2021-08-25
EP3869280B1 true EP3869280B1 (de) 2024-04-17

Family

ID=69713940

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20158326.7A Active EP3869280B1 (de) 2020-02-19 2020-02-19 Anzeigemechanismus für uhr

Country Status (4)

Country Link
US (1) US11586149B2 (de)
EP (1) EP3869280B1 (de)
JP (1) JP6997349B2 (de)
CN (1) CN113281981B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4307052A1 (de) * 2022-07-14 2024-01-17 Manufacture d'Horlogerie Audemars Piguet SA Chronographenmechanismus für uhrwerk
CH720028A1 (fr) * 2022-09-12 2024-03-28 Patek Philippe Sa Geneve Mouvement horloger comprenant un dispositif de reglage de la position d'un organe d'affichage et procede de reglage

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4012026A1 (de) * 1990-04-13 1991-10-17 Int Watch Co Iwc Anschlagvorrichtung
CH691833A5 (fr) * 1997-09-25 2001-10-31 Vacheron & Constantin S A Module d'affichage pour pièce d'horlogerie, notamment montre-bracelet, comportant un affichage sautant des heures et un affichage rétrograde des minutes.
CN100478578C (zh) * 2005-10-06 2009-04-15 精工爱普生株式会社 调速装置及使用该调速装置的发电装置、设备
EP1936447A2 (de) * 2006-12-20 2008-06-25 Franck Müller Watchland SA Unregelmäßiger Anzeigemechanismus für Uhr
JP2011128027A (ja) * 2009-12-18 2011-06-30 Techno Ark Co Ltd 暦時計
CH705782A2 (fr) * 2011-11-17 2013-05-31 Blancpain Sa Dispositif mécanique indicateur de changement d'état pour un mécanisme d'affichage semi-instantané ou instantané par sauts.
CH707233A1 (de) * 2012-11-22 2014-05-30 Eterna Ag Uhrenfabrik Minutzenzähler einer Uhr, insbesondere eines Chronographen.
JP6029441B2 (ja) * 2012-12-10 2016-11-24 セイコーインスツル株式会社 時計用カレンダ機構並びに該機構を備えたムーブメント及びカレンダ時計
US8995238B2 (en) * 2013-03-28 2015-03-31 Rolex S.A. Device for displaying time information
EP2824521B1 (de) * 2013-07-12 2025-03-26 Rolex Sa Uhrmechanismus, Uhrwerk und Uhr
CH711184B1 (fr) * 2015-06-12 2019-04-15 Chanel Sa Geneve Mouvement de montre comportant un mécanisme de correction rapide de l'heure courante.
CH712165A2 (fr) * 2016-02-18 2017-08-31 Blancpain Sa Affichage d'horlogerie à aiguille rétractable.
EP3208665B1 (de) * 2016-02-18 2019-01-02 Blancpain SA. Retrograde anzeige einer uhr mit einziehbarem zeiger
CH712217A2 (fr) * 2016-03-15 2017-09-15 Chanel Sa Genève Mouvement de montre comportant un affichage rétrograde et un anneau des heures sautant.
EP3410231B1 (de) * 2017-05-29 2021-06-30 Montres Breguet S.A. Uhrwerksmechanismus
CH714458B1 (fr) * 2017-12-19 2022-03-31 Omega Sa Mécanisme d'affichage sonore et pièce d'horlogerie comportant un tel mécanisme d'affichage sonore.
EP3637197B1 (de) * 2018-10-12 2021-05-19 Blancpain SA Vorrichtung zur regulierung der retrograden anzeige einer uhr
EP3832397B1 (de) * 2019-12-05 2023-09-06 Blancpain SA Uhr-anzeigemechanismus mit sofortigem umspringen

Also Published As

Publication number Publication date
CN113281981B (zh) 2022-08-19
JP2021131380A (ja) 2021-09-09
CN113281981A (zh) 2021-08-20
EP3869280A1 (de) 2021-08-25
US11586149B2 (en) 2023-02-21
US20210255585A1 (en) 2021-08-19
JP6997349B2 (ja) 2022-01-17

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