EP3828644A1 - Uhrwerkdrehteil für semi-momentaner sprungmechanismus - Google Patents

Uhrwerkdrehteil für semi-momentaner sprungmechanismus Download PDF

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Publication number
EP3828644A1
EP3828644A1 EP19211701.8A EP19211701A EP3828644A1 EP 3828644 A1 EP3828644 A1 EP 3828644A1 EP 19211701 A EP19211701 A EP 19211701A EP 3828644 A1 EP3828644 A1 EP 3828644A1
Authority
EP
European Patent Office
Prior art keywords
mobile
return means
elastic return
semi
stopper
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
EP19211701.8A
Other languages
English (en)
French (fr)
Other versions
EP3828644B1 (de
Inventor
M. Julien SAGLINI
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP19211701.8A priority Critical patent/EP3828644B1/de
Priority to US17/020,185 priority patent/US11703805B2/en
Priority to JP2020155155A priority patent/JP7014873B2/ja
Priority to CN202011362681.8A priority patent/CN112859568B/zh
Publication of EP3828644A1 publication Critical patent/EP3828644A1/de
Application granted granted Critical
Publication of EP3828644B1 publication Critical patent/EP3828644B1/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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • 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)
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement

Definitions

  • the invention relates to a timepiece for a semi-instantaneous jump mechanism, said mobile comprising a drive wheel which comprises, around a pivot axis, a guide hub of a stopper, which stopper is movable with respect to said drive wheel and comprises at least one disengageable stop finger movable between an armed position in which the radial extension of said stop finger is maximum with respect to said axis, and a disarmed position in which the radial extension of said finger of stop is minimal with respect to said axis, said stop finger being subjected to the action of an elastic return means which tends to move it away from said axis.
  • the invention also relates to a semi-instantaneous jump clock display mechanism comprising such a mobile.
  • the invention also relates to a timepiece, in particular a watch, comprising at least one such semi-instantaneous jump clock display mechanism.
  • the invention relates to the field of clockwork display mechanisms, and in particular jumping displays, such as date mechanisms or the like.
  • a semi-instantaneous jump clockwork mechanism often comprises a spring comprising a finger, this spring comprising one or more turns, being kept cocked for a fairly long period, and being relaxed during the jump, for example during the change of day for the display of a date. The deformation of such a spring is difficult to control.
  • the invention proposes to improve control of the deformation of the spring of a disengageable drive system for semi-instantaneous jump.
  • the object of the inventive concept is to allow more precise angular winding than in existing mechanisms, and to make any plastic deformation of the spring element almost impossible, so as to ensure its service life.
  • the invention relates to a timepiece mobile for a semi-instantaneous jump mechanism, according to claim 1.
  • the invention also relates to a semi-instantaneous jump clock display mechanism comprising such a mobile.
  • the invention also relates to a timepiece, in particular a watch, comprising at least one such semi-instantaneous jump clock display mechanism.
  • the invention relates to a timepiece 10 for a semi-instantaneous jump mechanism 100.
  • This mobile 10 comprises a drive wheel 1 which comprises, around a pivot axis D, a hub 2 for guiding a stopper 7.
  • This stopper 7 is movable relative to the drive wheel 1, and comprises at least one stopper finger 8, which is disengageable and movable between an armed position in which the radial extension of the stopper finger 8 is maximum with respect to axis D, and a disarmed position in which the radial extension of stop finger 8 is minimal with respect to axis D.
  • This stop finger 8 is subjected to the action of an elastic return means 3 which tends to move it away from the axis D, or constitutes a part of this elastic return means 3, conventionally in the form of a finger-spring.
  • the stopper 7 comprises a first housing 71, the walls of which are arranged to cooperate, during the winding of the elastic return means 3 in abutment with a contact surface 51 which the elastic return means 3 comprises. , to limit the value of the winding and to limit the deformation of the elastic return means 3 to its elastic range only. It is thus possible to prevent damage to this elastic return means 3, in particular during adjustment operations, as will be explained below.
  • the hub 2 is integral with the drive wheel 1.
  • the elastic return means 3 is a spring, an inner end 4 of which is integral with the hub 2 and / or the driving wheel 1.
  • the elastic return means 3 is a spring, an outer end 6 of which is housed in a second housing 76 that comprises the stopper 7. More particularly, this outer end 6 is movable with play in the second housing 76.
  • the elastic return means 3 is a spring which comprises a coil 51, which is arranged to come into contact with the first housing 71 of the stopper 7 in the armed position according to a large contact zone ZC of an angular amplitude greater than 10 ° relative to the axis D, and to remain at a distance from the first housing 71 in the disarmed position.
  • this first housing 71 is formed by a bore, or a recess, or a counterbore, on at least one angular part capable of being in contact with the coil or turns of the spring.
  • the figures show a first housing 71 constituted by a recess over approximately 355 °, and which is cleared over an angle at the center of approximately 5 ° to allow the passage of the outer end of the spring 6 and its insertion into the second accommodation 76.
  • the stopper 7 comprises an oblong slot 9 in which the hub 2 is housed and which allows radial mobility of the stopper 7 relative to the hub 2 in order to modify the radial position of the peripheral stop finger 8 that the device comprises. stopper 7.
  • the invention also relates to a semi-instantaneous jump clock display mechanism 100 comprising such a mobile 10. More particularly, this mechanism 100 comprises drive means for driving the driving wheel 1, at least. a display mobile 110 which comprises teeth 108 arranged to cooperate with the stop finger 8 of the mobile 10, or a profile comprising reliefs able to cooperate with this stop finger 8.
  • this mechanism 100 is a date mechanism.
  • the figure 7 describes this particular and non-limiting case of a date mechanism.
  • a tooth 108 of the date indicator 110 rotating in the clockwise direction of the arrow in this figure, would push the finger 8, thus controlling the disengagement and the relative change of position. of the hub 2 relative to the oblong 9 during the radial withdrawal of the finger 8 under the thrust action exerted by a tooth 108, as visible on the figure 4 ; after the passage of the tooth 108, the spring 3 returns the finger 8 to the position illustrated by the figure 7 ; this finger 8 will drive a tooth 108 during the next date change.
  • the invention also relates to a timepiece 1000 comprising at least one such semi-instantaneous jump clock display mechanism 100, in particular with control means 500. More particularly, this timepiece 1000 is a watch.
  • the invention makes it possible to secure a fragile mechanism, because it reduces the risk of breakage of the spring elements since the stop is made on a large bearing area of the spring, while providing a significant gain in the size compared to to existing mechanisms.
  • the maintenance of the elastic properties of the spring is guaranteed.
  • the invention guarantees better control of the forces.
  • the mechanism according to the invention stores energy in a controlled manner, with precise angular winding.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP19211701.8A 2019-11-27 2019-11-27 Uhrwerkdrehteil für semi-momentaner sprungmechanismus Active EP3828644B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19211701.8A EP3828644B1 (de) 2019-11-27 2019-11-27 Uhrwerkdrehteil für semi-momentaner sprungmechanismus
US17/020,185 US11703805B2 (en) 2019-11-27 2020-09-14 Timepiece mobile for a semi-instantaneous jump mechanism
JP2020155155A JP7014873B2 (ja) 2019-11-27 2020-09-16 準瞬間的なジャンプを伴う機構のための計時器用運動機構
CN202011362681.8A CN112859568B (zh) 2019-11-27 2020-11-27 用于半瞬时跳动机构的时计轮副

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19211701.8A EP3828644B1 (de) 2019-11-27 2019-11-27 Uhrwerkdrehteil für semi-momentaner sprungmechanismus

Publications (2)

Publication Number Publication Date
EP3828644A1 true EP3828644A1 (de) 2021-06-02
EP3828644B1 EP3828644B1 (de) 2023-12-27

Family

ID=68699257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19211701.8A Active EP3828644B1 (de) 2019-11-27 2019-11-27 Uhrwerkdrehteil für semi-momentaner sprungmechanismus

Country Status (4)

Country Link
US (1) US11703805B2 (de)
EP (1) EP3828644B1 (de)
JP (1) JP7014873B2 (de)
CN (1) CN112859568B (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH525508A (fr) * 1969-11-24 1972-03-30 Erard Raoul Henri Dispositif d'entraînement d'un indicateur de quantième pour pièce d'horlogerie
EP1746470A1 (de) * 2005-07-20 2007-01-24 Breitling AG Uhr mit Kalendermechanismus
EP2428855A1 (de) * 2010-09-08 2012-03-14 Rolex S.A. Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst
CH706189B1 (fr) * 2007-11-16 2013-09-13 Richemont Int Sa Mécanisme de correction de quantième.
EP3483663A1 (de) * 2017-11-02 2019-05-15 Rolex Sa Antriebsvorrichtung für kalendersystem einer uhr

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410389B1 (de) * 2010-07-21 2013-10-30 Blancpain S.A. Bidirektioneller Korrekturmechanismus für Datum für Datumsmechanismus, Datumsmechanismus, Uhr
EP2565729B1 (de) * 2011-08-30 2018-01-31 Breitling AG Kalendermechanismus
EP3002636B1 (de) * 2014-10-02 2017-08-09 ETA SA Manufacture Horlogère Suisse Koaxiale ausrückbare Räder eines Uhrwerks
CH712012A1 (fr) * 2016-01-14 2017-07-14 Richemont Int Sa Mouvement horloger à mécanisme d'affichage sautant.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH525508A (fr) * 1969-11-24 1972-03-30 Erard Raoul Henri Dispositif d'entraînement d'un indicateur de quantième pour pièce d'horlogerie
EP1746470A1 (de) * 2005-07-20 2007-01-24 Breitling AG Uhr mit Kalendermechanismus
CH706189B1 (fr) * 2007-11-16 2013-09-13 Richemont Int Sa Mécanisme de correction de quantième.
EP2428855A1 (de) * 2010-09-08 2012-03-14 Rolex S.A. Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst
EP3483663A1 (de) * 2017-11-02 2019-05-15 Rolex Sa Antriebsvorrichtung für kalendersystem einer uhr

Also Published As

Publication number Publication date
US20210157274A1 (en) 2021-05-27
CN112859568B (zh) 2022-03-15
EP3828644B1 (de) 2023-12-27
CN112859568A (zh) 2021-05-28
US11703805B2 (en) 2023-07-18
JP2021085873A (ja) 2021-06-03
JP7014873B2 (ja) 2022-02-01

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