EP0788036B1 - Pièce d'horlogerie, notamment montre-bracelet - Google Patents

Pièce d'horlogerie, notamment montre-bracelet Download PDF

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Publication number
EP0788036B1
EP0788036B1 EP97100918A EP97100918A EP0788036B1 EP 0788036 B1 EP0788036 B1 EP 0788036B1 EP 97100918 A EP97100918 A EP 97100918A EP 97100918 A EP97100918 A EP 97100918A EP 0788036 B1 EP0788036 B1 EP 0788036B1
Authority
EP
European Patent Office
Prior art keywords
yoke
pawl
engagement
cam
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.)
Expired - Lifetime
Application number
EP97100918A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0788036A2 (fr
EP0788036A3 (fr
Inventor
Gérald Genta
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.)
Gerald Genta SA
Original Assignee
Gerald Genta 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 Gerald Genta SA filed Critical Gerald Genta SA
Publication of EP0788036A2 publication Critical patent/EP0788036A2/fr
Publication of EP0788036A3 publication Critical patent/EP0788036A3/fr
Application granted granted Critical
Publication of EP0788036B1 publication Critical patent/EP0788036B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B19/02—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
    • 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

Definitions

  • the present invention relates to a timepiece, in particular a wristwatch, comprising a wheel in star attached to a time indicator with a positioning jumper, a rocker on which is rotated a drive pawl, a return spring to elastically hold this ratchet in a position in which it is engaged with the star wheel, a rotating spiral cam, driven at one turn per hour, a spring to apply said rocker against said rotary cam and a desmodromic link between said rocker and a movable member secured to an indicator member minutes.
  • the object of the present invention is to remedy, less in part to the aforementioned drawbacks.
  • the subject of this invention is a watch as defined by claim 1.
  • the wristwatch shown in fig. 1 generally designated by 1, includes a needle 2 minutes pivoted in the center of the room, and which is moves along a 3 minute scale of sixty divisions, in the form of a sector of a circle, extending over a little more than 180 °, carried by the dial, designated by 4, and which has numbers 5 ranging from 0 to 60.
  • Dial 4 is pierced, at six o'clock, with a window 6 through which the numbers of a 7 hour lap carried by an 8 hour indicator disc shown separately in fig. 7.
  • the mechanism for controlling the hand 2 and the hour disc 8 is carried by a frame constituted by a circular base plate 9 and by a bridge 10.
  • This frame forms an independent module which attaches to the movement of the watch, the plate is designated by 11 (fig. 5).
  • the mechanism comprises a spiral cam 12 driven out on a barrel 13 a which has the carriageway of the movement, designated by 13.
  • the spiral cam 12 is housed in an elongated opening 14 which has the base plate 9 of the frame of the mechanism.
  • the latter includes a main scale 15 articulated at 16 on plate 9 and which carries, articulated on it in 17, a pawl 18 carrying a dowel 19 passing through a hole in said rocker and which is subjected to a spring reminder 20 fixed at 21 to the rocker.
  • the pawl 18 is housed, like the cam 12, in the opening 14 of the plate 9.
  • the rocker 15 is subjected to the action of a return spring 22, attached to base plate 9, which tends to hold the rocker applied, by means of its pawl 18, against the spiral cam 12.
  • the lever 15 is gradually raised by the cam 12, which makes it rotate in the opposite direction to that of a watch hand to fall back, in an instantaneous fall, once per hour, each time the nose, designated by 12 a (fig. 4) of the cam 12, crosses the pawl 18.
  • the rocker 15 has an extension 15 a , toothed at 23, forming a rake in engagement with the pinion, designated by 24, of a mobile, whose wheel is designated by 25, pivoted between the mechanism plate 9 and the bridge 10
  • the wheel 25 of the mobile 24-25 meshes with a return wheel 26, also pivoted between the plate 9 and the bridge 10, which is engaged with a minute wheel 27 coming from one piece with a tigeron 27 has pivoted in bridge 10, in the center of the movement.
  • the minute hand 2 is carried by said tigeron 27 a .
  • the rake 23 drives the tigeron 27 a by means of the gear train described above, so that the needle 2 gradually moves the along the graduation 3 of the dial 4.
  • the gear ratio was chosen in such a way that the slow movement of the rocker 15 having a duration of one hour, since the spiral cam 12 is integral with the minute wheel 13 of the movement, the hand 2 takes sixty minutes to cover the entire scale 3, from the number "0" in the minutes sector 5 to the number "60” thereof.
  • the moment when the hand 2 reaches opposite the number "60" of the sector of minutes 5 corresponds to the moment when the nose 12 has cam 12 crosses the pawl 18 of the rocker 15. The latter then falls, in an instantaneous fall , under the effect of its return spring 22, which brings the minute hand 2 opposite the number "0" of the minutes sector 5.
  • the minute display is thus of the so-called type "retrograde".
  • the presence of the pawl 18 interposed between the spiral cam 12 and the rocker 15 makes it possible to set the manual time backwards without any deterioration of the mechanism occurring, the pawl 18 s' then eclipsing, against the action of its return spring 20, under the effect of the nose 12 a of the cam 12 abutting against it.
  • This reminder device includes a sector toothed or rake 28 (figs. 2, 3 and 4), subjected to the action of a return spring not shown, which meshes with a pinion, not visible in the drawing, located under a wheel 29, of which it is integral, itself engaged with the minute wheel 27. The latter is thus requested, always in the same sense, by the return spring of the rake 28, which avoids any rebate of the minute hand 2.
  • the rocker 15 also carries a pawl, designated by 30, pivoted on it by means of a stepped screw 31, which cooperates with the legs 32 has a star wheel 32, twelve-pointed bearing, driven on it, the hour disc 8, which is itself driven out of the outer ring 33 of a ball bearing, the central part of which, designated by 34, is fixed by screws 35 to the bridge 10, at the center of the movement.
  • the pawl 30 carries a pin 36 with which a return spring 37 fixed to the lever 15 cooperates.
  • the mechanism further comprises a jumper 38 articulated on the frame plate 9 using a bearing screw 39 and which is subjected to the action of a return spring 40 fixed at 41 to the plate 9.
  • the long necklace 38 is with two arms, one of which, designated by 38 a , is intended to cooperate with the branches 32 a of the star wheel 32 to ensure the stability of its twelve indexing positions in each of which one of the digits of its hour turn 7 appears in the window 6 of the dial.
  • its pawl 30 acts on one of the branches 32 a of the star wheel 32 to move it in the dextrorsum direction until one of the branches 32 has crossed the end of the arm 38 has rocker 38.
  • the mechanism further includes a double safety device preventing the disc from impacting 8 hours does not take an untimely step or more.
  • the pawl 30 carries a dowel 42 engaged in a notch 43 formed in the plate 9 of the built and which has the shape of a circular arc whose center coincides with the center of rotation 16 of the rocker 15. Under the effect of possible shocks tending to move the star wheel 32, the pawl 30 will thus form a lock, its pin 42 coming abut against the internal wall of the notch 43, which will prevent the star wheel to move unexpectedly.
  • Another locking device then replaces that constituted by the pawl 30, formed by the second arm 38b of the jumper 38 which ends in a head 38 c with which a projection 15 b cooperates that presents the rocker 15.
  • the branch 38 a the rocker forming jumper 38 is thus rigidly held on the path of the branches 32 a of the star wheel 32, locking the latter vis-à-vis the effects of possible shocks.
  • its projection 15 b leaves the head 38 c of the arm 38 b of the jumper 38, releasing the latter.
  • control mechanism display devices of the watch described and shown forms a whole carried by the plate 9 and the bridge 10 which can be place on any watch movement caliber, without having to subject the latter to no transformation.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Physical Vapour Deposition (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP97100918A 1996-02-01 1997-01-22 Pièce d'horlogerie, notamment montre-bracelet Expired - Lifetime EP0788036B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH26496 1996-02-01
CH00264/96A CH690047A5 (fr) 1996-02-01 1996-02-01 Pièce d'horlogerie à affichage rétrograde des minutes, notamment montre-bracelet.
CH264/96 1996-02-01

Publications (3)

Publication Number Publication Date
EP0788036A2 EP0788036A2 (fr) 1997-08-06
EP0788036A3 EP0788036A3 (fr) 1998-08-12
EP0788036B1 true EP0788036B1 (fr) 2002-06-05

Family

ID=4183047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100918A Expired - Lifetime EP0788036B1 (fr) 1996-02-01 1997-01-22 Pièce d'horlogerie, notamment montre-bracelet

Country Status (12)

Country Link
US (1) US5784342A (enrdf_load_stackoverflow)
EP (1) EP0788036B1 (enrdf_load_stackoverflow)
JP (1) JP4040714B2 (enrdf_load_stackoverflow)
AT (1) ATE218719T1 (enrdf_load_stackoverflow)
AU (1) AU717562B2 (enrdf_load_stackoverflow)
CA (1) CA2196587A1 (enrdf_load_stackoverflow)
CH (1) CH690047A5 (enrdf_load_stackoverflow)
DE (2) DE788036T1 (enrdf_load_stackoverflow)
ES (1) ES2104547T1 (enrdf_load_stackoverflow)
HK (1) HK1000498A1 (enrdf_load_stackoverflow)
SG (1) SG92605A1 (enrdf_load_stackoverflow)
TW (1) TW318217B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017158536A1 (fr) 2016-03-15 2017-09-21 Chanel Sa Genève Mecanisme pour mouvement de montre
WO2017158527A1 (fr) 2016-03-15 2017-09-21 Chanel Sa Genève Mouvement de montre comportant un affichage rétrograde et un anneau des heures sautant

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3539857B2 (ja) * 1997-12-25 2004-07-07 セイコーインスツルメンツ株式会社 間欠送り機構
EP0950932B1 (fr) * 1998-04-17 2004-06-30 Daniel Roth et Gerald Genta Haute Horlogerie SA Garde-temps dont un des affichages s'étend sur un arc de cercle
FR2800625B1 (fr) 1999-11-10 2001-11-23 Skis Dynastar Ski alpin
USD481642S1 (en) 2002-05-17 2003-11-04 Journe Francois-Paul Watch dial
CH696860A5 (fr) * 2003-03-27 2007-12-31 Franck Muller Watchland S A Mécanisme d'affichage rétrogradant.
JP3714355B2 (ja) 2003-05-29 2005-11-09 セイコーエプソン株式会社 計時装置およびその自動停止方法
EP2042949A1 (en) * 2007-09-26 2009-04-01 Desmond Wilmott Single-handed timepiece
DE102012020817A1 (de) * 2012-03-13 2013-09-19 Hannes Bonhoff Verfahren zum Eingeben eines Passworts und Computerprogrammprodukt
DE102015122613B4 (de) * 2015-12-22 2020-07-23 Lange Uhren Gmbh Sekundensprungeinrichtung einer Uhr
EP3324245A1 (fr) * 2016-11-17 2018-05-23 Nogerah SA Système d'entraînement instantané et mécanisme de chronographe équipé d'un tel système
EP3540524B1 (fr) * 2018-03-13 2022-02-16 Montres Breguet S.A. Mécanisme d'affichage d'horlogerie sautant et régulé
CN108279557B (zh) * 2018-03-28 2024-03-01 天王电子（深圳）有限公司 指针逆跳结构及钟表
EP4276545B1 (fr) 2022-05-13 2024-12-18 Blancpain SA Mecanisme d'affichage anterograde pour piece d'horlogerie

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH27838A (fr) * 1903-05-05 1904-02-29 Lopez Mantaras Gabriel Montre
US864177A (en) * 1904-03-22 1907-08-27 Gabriel Lopez Mantaras Watch.
CH38605A (fr) * 1906-12-15 1907-11-15 Arcadio Ferrer Salvador Horloge perfectionnée
FR480026A (fr) * 1914-04-09 1916-06-07 Gustave Lecoultre Montre
US1350131A (en) * 1919-06-20 1920-08-17 Cortland L Hill Clock
GB1454624A (en) * 1973-08-30 1976-11-03 Suwa Seikosha Kk Electric timepiece
DE8027665U1 (de) * 1980-10-16 1981-02-26 Revue Thommen Ag, Waldenburg (Schweiz) Uhr mit einem durch einen elektrischen Oszillator steuerbaren Motor
US5339293A (en) * 1991-09-13 1994-08-16 Citizen Watch Co., Ltd. Watch with hands for multiple time displays
CH681761B5 (fr) * 1991-12-28 1993-11-30 Longines Montres Comp D Pièce d'horlogerie du type mécanique et/ou électromécanique, pourvue de moyens d'affichage à déplacement retrograde automatique.
IT1295123B1 (it) * 1997-03-21 1999-04-30 Luca Russi Dispositivo a camme per trasformare il movimento rotatorio delle lancette di un orologio in un movimento alternato lungo un arco di 120

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017158536A1 (fr) 2016-03-15 2017-09-21 Chanel Sa Genève Mecanisme pour mouvement de montre
WO2017158527A1 (fr) 2016-03-15 2017-09-21 Chanel Sa Genève Mouvement de montre comportant un affichage rétrograde et un anneau des heures sautant

Also Published As

Publication number Publication date
EP0788036A2 (fr) 1997-08-06
DE788036T1 (de) 1998-01-15
CH690047A5 (fr) 2000-03-31
US5784342A (en) 1998-07-21
DE69712932D1 (de) 2002-07-11
EP0788036A3 (fr) 1998-08-12
JP4040714B2 (ja) 2008-01-30
CA2196587A1 (en) 1997-08-02
DE69712932T2 (de) 2003-02-13
ES2104547T1 (es) 1997-10-16
AU1241697A (en) 1997-08-07
SG92605A1 (en) 2002-11-19
AU717562B2 (en) 2000-03-30
TW318217B (enrdf_load_stackoverflow) 1997-10-21
JPH09304552A (ja) 1997-11-28
ATE218719T1 (de) 2002-06-15
HK1000498A1 (en) 2003-01-17

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