EP1562086B1 - Vorrichtung zur Gängreserveanzeigung - Google Patents

Vorrichtung zur Gängreserveanzeigung Download PDF

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Publication number
EP1562086B1
EP1562086B1 EP04002419A EP04002419A EP1562086B1 EP 1562086 B1 EP1562086 B1 EP 1562086B1 EP 04002419 A EP04002419 A EP 04002419A EP 04002419 A EP04002419 A EP 04002419A EP 1562086 B1 EP1562086 B1 EP 1562086B1
Authority
EP
European Patent Office
Prior art keywords
indicator
mainspring
lever
winding
friction
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
EP04002419A
Other languages
English (en)
French (fr)
Other versions
EP1562086A1 (de
Inventor
Sébastien Jeanneret
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.)
Vaucher Manufacture Fleurier SA
Original Assignee
Vaucher Manufacture Fleurier 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
Priority to EP04002419A priority Critical patent/EP1562086B1/de
Application filed by Vaucher Manufacture Fleurier SA filed Critical Vaucher Manufacture Fleurier SA
Priority to AT04002419T priority patent/ATE534939T1/de
Priority to CNB2005800040525A priority patent/CN100524097C/zh
Priority to PCT/IB2005/000019 priority patent/WO2005085963A1/fr
Priority to JP2006551939A priority patent/JP4566201B2/ja
Priority to EP05702190A priority patent/EP1711865A1/de
Priority to US10/596,937 priority patent/US7684285B2/en
Priority to TW094101619A priority patent/TW200535577A/zh
Priority to MYPI20050418A priority patent/MY140197A/en
Publication of EP1562086A1 publication Critical patent/EP1562086A1/de
Priority to HK05111163.3A priority patent/HK1076876A1/xx
Application granted granted Critical
Publication of EP1562086B1 publication Critical patent/EP1562086B1/de
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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding

Definitions

  • the present invention relates to the field of watchmaking. It relates, more particularly, the power reserve indicator mechanisms for a timepiece movement of the type provided with a power source formed by a motor spring.
  • the mechanism according to the invention comprises a frame, a power reserve indicator and a differential gear with a first input connected to a mobile driven in rotation during the winding of the mainspring and a second input connected to a mobile rotated during disarming of the mainspring, and an output connected to the power reserve indicator.
  • the indicator is likely to traverse a given angle between two extreme positions, the first is occupied when the mainspring is armed and the second, when the spring is disarmed.
  • EP Patent 1,139,182 filed in the name of the applicant describes a mechanism comprising an intermediate mobile interposed between the output of the differential gear and the indicator of power reserve.
  • This mobile comprises an elastic element arranged so that the differential gear continues to rotate freely while the indicator remains in abutment, resulting in the arming of the elastic element.
  • this arrangement is usable when the indicator is abutting in one or the other of its extreme positions. But it is difficult to make perfectly coincide the maximum arming position of the mainspring with the extreme position of the indicator corresponding to the largest power reserve. This implies special precautions and precise measurements during assembly, especially during after-sales service, for the indicator to display correct information.
  • the present invention aims to overcome the drawback mentioned above, while retaining the advantages presented by the mechanism of the EP application already cited.
  • the connecting member comprises a friction mechanism arranged so that the first part can move frictionally with reference to the second when the indicator has reached its first extreme position, and an elastic element arranged so that it can be armed when the indicator has reached its second extreme position, by moving the first part with reference to the second part.
  • the lever is provided with a longitudinal slot widening into an opening engaged on the pinion.
  • the elastic element is integral with the part comprising the stop and cooperates with the lever so that, when the indicator occupies its second extreme position, it is immobilized, while the motor spring drives the finishing gear and the differential gear, and that the elastic element arrests and then disarms when winding the mainspring.
  • the mechanism according to the invention is intended to take place in a watch movement. It is mounted on a plate 8 partially visible in the drawing.
  • the movement comprises a power source formed of a barrel 10, rotatable about a shaft 12 pivoting on the plate 8 and in which is housed a motor spring 14 provided with a sliding flange, not explicitly shown in FIG. drawing.
  • the shaft 12 carries a ratchet wheel 16 which, driven in rotation by means of a not shown winding crown, makes it possible to arm the mainspring 14.
  • the barrel 10 drives the finishing gear which is not shown in the drawing either.
  • the mechanism further comprises a differential 18 described in detail in the aforementioned EP application.
  • a differential 18 described in detail in the aforementioned EP application.
  • it comprises a shaft 20 placed at its output, a planet carrier 22 integral in rotation with the shaft 20 and carrying a satellite 24 with conical teeth.
  • a first and a second input respectively consist of a first 26 and a second 28 wheels mounted freely on the planet carrier 22.
  • the wheels 26 and 28 are each formed by a board identified by the letter a and whose periphery bears a toothing b, and a pinion c provided with a conical toothing d.
  • the wheel 26 meshes, by its toothing 26b, with the barrel 10.
  • the wheel 28 meshes, by its toothing 28b, with a return 30, meshing itself with the ratchet wheel 16.
  • the teeth 26d of the pinion 26c and 28d of pinion 28c are engaged with the satellite 24.
  • the gear ratios between the barrel 10 and the first input wheel 26, on the one hand, and the ratchet wheel 16 and the second input wheel 28, on the other hand, are equal, so that that for the same angle traveled by the barrel 10 and the ratchet wheel 16, the wheels 26 and 28 travel at equal angles.
  • the mechanism comprises an intermediate mobile 32, particularly illustrated on the Figures 2 and 3 , It is pivotally mounted on the plate 8. It comprises a pinion 34 formed of a sleeve 34a provided at one of its ends with a toothing 34b.
  • the sleeve 34a is formed of a cylindrical portion 34c and a conical portion 34d widening of the portion 34c outwardly.
  • the mobile 32 further comprises a wheel 36 formed of a board 36a whose periphery is provided with a toothing 36b which meshes with the shaft 20 of the differential 18.
  • a spacer 37 is driven on the portion 34c of the sleeve 34a.
  • the wheel 36 is mounted free to rotate on the spacer 37 and can thus rotate on the pinion 34.
  • a lever 38 of rectangular shape and whose length is about 0.75 times that of the diameter of the wheel 36, is provided with a longitudinal slot 41 widening into an opening 42 located approximately two-thirds of its length.
  • the lever 38 thus has, on both sides of the opening 42, a large arm 38a and a small arm 38b. It is clipped on the tapered portion 34d of the pinion 34 so as to ensure the axial retention of the wheel 36.
  • the pinion 34 and the lever 38 thus form a friction mechanism whose limiting torque is defined by the elasticity of the arms 38a. and 38b.
  • a spring 40 formed of an elastic blade in a circular arc embracing an angle of about 270 ° is fixed, by one of its ends 44 and in known manner, to the board of the wheel 36. Its other end 46, free, forms a bend 46a folded towards the outside of the wheel and arranged so that, at rest, it is in abutment against the large arm 38a, near the opening 42 and thus maintains the lever resting against the end 44 of the blade.
  • figure 1 also shows that the mechanism comprises a mobile indicator 48 pivotally mounted on a rod 50 driven into the plate 8. It comprises a board 48a provided, at its periphery, a toothing 48b in engagement with the pinion 34, and a gun 48c s extending beyond the plate 8 and intended to carry a power reserve indicator needle, not shown in the drawing.
  • a mobile indicator 48 pivotally mounted on a rod 50 driven into the plate 8. It comprises a board 48a provided, at its periphery, a toothing 48b in engagement with the pinion 34, and a gun 48c s extending beyond the plate 8 and intended to carry a power reserve indicator needle, not shown in the drawing.
  • the board 48a has a cutout 48d shaped annular sector embracing an angle of about 150 ° corresponding to the angle of movement of the needle.
  • a pin 52, driven into the plate 8 is engaged in the cut 48d and serves as a stop to the mobile 48, a first and a second extreme positions are defined.
  • the motor spring 14 disarming, rotates and in a conventional manner the barrel 10 which meshes with the work train.
  • the spring 40 causes, by its end 44, the lever 38, which is clamped between the ends 44 and 46a of the spring 40.
  • the mainspring 14 disarms slowly by driving the finishing gear train. As can be seen on the figure 4 , the torque of the motor spring 14, represented by the curve 58a, decreases until a limit value 60a is reached.
  • the power reserve indicator then indicates that it is exhausted and the mobile indicator is immobilized, the end of the cutout 48d being in abutment against the pin 52.
  • the user proceeds to arm the motor spring 14 illustrated by the curve 58b.
  • the spring 40 disarms (curve 62b) then, when the lever 38 returns to its rest position, the torque of the mainspring reaches a certain value at point 60b, the mobile indicator is again driven and the indicator moves with respect of the scale of the dial.
  • the end 44 of the spring 40 drives the lever 38 with a torque that is lower than the friction torque of the lever on the pinion, and thus carries with it the pinion 34.
  • the power reserve indicator displays the maximum load
  • the indicator mobile is immobilized.
  • the torque of the corresponding motor spring 14 is shown at point 66 of the curve 58b.
  • the pinion 34 is then blocked since it meshes with the mobile indicator.
  • the next disarming cycle proceeds as described above. Then, during the next reset, thanks to the setting made during the first cycle, the user knows that when the indicator reaches its extreme position, the mainspring is fully armed.
  • the introduction of the various components does not require any particular measure, both in terms of production and after-sales service, the indicator automatically stalling in its correct position, thanks to the fact that, during arming, the lever 38 rotates frictionally on the pinion 34, while, during disarming, the setting is maintained, because the spring 40 is armed. It is obvious that to allow these provisions, the armature torque of the spring 40 must always remain lower than the friction torque of the lever 38 on the conical portion 34d.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • External Artificial Organs (AREA)
  • Telephone Function (AREA)
  • Transmission Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Retarders (AREA)
  • Battery Mounting, Suspending (AREA)

Claims (7)

  1. Mechanismus zur Anzeige der Gangreserve für Uhrwerk einer Uhr der Bauart, die ein Gestell, eine von einem Federhaus (10) und einer in dem Federhaus untergebrachten Zugfeder (14) gebildeten Energiequelle, ein von dem Federhaus angetriebenes Räderwerk und Spannmittel der Zugfeder (14) aufweist, und umfasst:
    - eine Anzeige der Gangreserve mit einem Drehteil (48) und einer von dem Drehteil getragenen Anzeigevorrichtung,
    - ein Differenzialgetriebe (18), das kinematisch durch einen ersten Eingang (26) mit dem Federhaus (10), durch einen zweiten Eingang (28) mit den Spannmitteln und durch einen Ausgang (20) mit der Anzeige verbunden ist, und
    - ein Zwischendrehteil (32), das einen ersten und zweiten Abschnitt aufweist, die jeweils kinematisch mit dem Ausgang (20) und mit dem Drehteil (48) der Anzeige verbunden sind und ein Verbindungsorgan, das die Abschnitte verbindet, das derart ausgebildet ist, damit die Anzeige eine Stellung zwischen zwei extremen Stellungen inklusive einnimmt, wobei die erste erreicht ist, wenn die Spannung der Feder (14) stärker ist als ein oberer Grenzwert, und die zweite, wenn die Spannung der Feder (14) schwächer ist als ein unterer Grenzwert, wobei der erste und zweite Abschnitt gemeinsam drehen, solange die Spannung der Feder (14) zwischen ihren extremen Werten ist,
    dadurch gekennzeichnet, dass das Verbindungsorgan einen Reibungsmechanismus umfasst, der derart ausgebildet ist, dass der erste Abschnitt in Bezug auf den zweiten reibend bewegbar ist, wenn die Anzeige ihre erste extreme Stellung erreicht hat, und ein elastisches Element (40), das derart ausgebildet ist, dass es spannbar ist, wenn die Anzeige ihre zweite extreme Stellung erreicht hat, durch die Verschiebung des ersten Abschnitts in Bezug auf den zweiten Abschnitt.
  2. Mechanismus nach Anspruch 1, dadurch gekennzeichnet, das der Reibungsmechanismus einen mit einem der Abschnitte verbundenen Anschlag (44) aufweist und einen Hebel (38), der reibend auf dem anderen Abschnitt montiert ist, der derart angeordnet und bemessen ist, dass:
    - der Hebel (38), wenn die Anzeige ihre erste extreme Stellung einnimmt und das Spannen der Zugfeder (14) fortgesetzt wird, gegen den Anschlag gehalten wird und über den Abschnitt reibend dreht, mit dem er verbunden ist, so dass die Anzeige blockiert bleibt, und
    - sobald sich die Zugfeder (14) entspannt, die Anzeige ihre erste extreme Stellung verlässt, wobei der erste und zweite Abschnitt des Zwischendrehteils (32) gemeinsam drehen.
  3. Mechanismus nach Anspruch 2, dadurch gekennzeichnet, dass der Hebel (38) mit einem länglichen Schlitz (41) ausgestattet ist, der sich in eine auf dem Trieb (34) eingerastete Öffnung (42) erweitert.
  4. Mechanismus nach einem der Ansprüche 2 und 3, dadurch gekennzeichnet, dass das elastische Element (40) mit dem Abschnitt verbunden ist, der den Anschlag (44) aufweist und mit dem Hebel (38) derart zusammenarbeitet, dass er, wenn die Anzeige ihre zweite extreme Stellung belegt, blockiert ist, wogegen die Zugfeder (14) das Räderwerk antreibt und das Differenzialgetriebe, und dass sich das elastische Element (40) spannt und sich danach beim Spannen der Zugfeder entspannt.
  5. Mechanismus nach Anspruch 4, dadurch gekennzeichnet, dass das elastische Element (40) von einer elastischen Klinge gebildet wird, die durch eines ihrer Enden am Rad (36) befestigt ist, wogegen ihr anderes freies Ende (46) derart angeordnet ist, dass es den Hebel gegen das erste Ende hält.
  6. Mechanismus nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Zwischendrehteil (32) ein Rad (36) aufweist, das von einer Platte (36a) gebildet wird, deren Umfang mit einer Zahnung (36b) ausgestattet ist, einen Trieb (34), der von einer Hülse (34a) gebildet wird, die an einem ihrer Enden mit einer Zahnung (34b) ausgestattet ist, ein Distanzrohr (37), das auf der Hülse (34a) angeordnet ist, wobei der Hebel verbunden auf der Hülse (34a) montiert ist, um das Rad (36) frei drehend auf der Hülse (37) zu halten, und dass der mit dem Ausgang (20) verbundene Abschnitt das Rad (36) ist.
  7. Mechanismus nach einem der Ansprüche 1 und 6, dadurch gekennzeichnet, dass die Zugfeder (14) vom Typ mit gleitendem Zaum ist.
EP04002419A 2004-02-04 2004-02-04 Vorrichtung zur Gängreserveanzeigung Expired - Lifetime EP1562086B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AT04002419T ATE534939T1 (de) 2004-02-04 2004-02-04 Vorrichtung zur gängreserveanzeigung
EP04002419A EP1562086B1 (de) 2004-02-04 2004-02-04 Vorrichtung zur Gängreserveanzeigung
PCT/IB2005/000019 WO2005085963A1 (fr) 2004-02-04 2005-01-07 Mecanisme indicateur de reserve de marche
JP2006551939A JP4566201B2 (ja) 2004-02-04 2005-01-07 パワーリザーブ表示機構
EP05702190A EP1711865A1 (de) 2004-02-04 2005-01-07 Energiereserve-indikatormechanismus
US10/596,937 US7684285B2 (en) 2004-02-04 2005-01-07 Power reserve indicator mechanism
CNB2005800040525A CN100524097C (zh) 2004-02-04 2005-01-07 动力储备指示机构
TW094101619A TW200535577A (en) 2004-02-04 2005-01-20 Power reserve indicator mechanism
MYPI20050418A MY140197A (en) 2004-02-04 2005-02-03 Power reserve indicator mechanism
HK05111163.3A HK1076876A1 (en) 2004-02-04 2005-12-06 Power reserve indicator mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04002419A EP1562086B1 (de) 2004-02-04 2004-02-04 Vorrichtung zur Gängreserveanzeigung

Publications (2)

Publication Number Publication Date
EP1562086A1 EP1562086A1 (de) 2005-08-10
EP1562086B1 true EP1562086B1 (de) 2011-11-23

Family

ID=34673668

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04002419A Expired - Lifetime EP1562086B1 (de) 2004-02-04 2004-02-04 Vorrichtung zur Gängreserveanzeigung
EP05702190A Withdrawn EP1711865A1 (de) 2004-02-04 2005-01-07 Energiereserve-indikatormechanismus

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05702190A Withdrawn EP1711865A1 (de) 2004-02-04 2005-01-07 Energiereserve-indikatormechanismus

Country Status (9)

Country Link
US (1) US7684285B2 (de)
EP (2) EP1562086B1 (de)
JP (1) JP4566201B2 (de)
CN (1) CN100524097C (de)
AT (1) ATE534939T1 (de)
HK (1) HK1076876A1 (de)
MY (1) MY140197A (de)
TW (1) TW200535577A (de)
WO (1) WO2005085963A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2526560C2 (ru) * 2012-11-27 2014-08-27 Общество с ограниченной ответственностью "Константин Чайкин" Устройство, часы с устройством и способ индикации времени шаббата
EP2977828B1 (de) * 2014-07-21 2017-08-30 ETA SA Manufacture Horlogère Suisse Anzeige der Gangreserve einer Uhr
CN107077096A (zh) * 2015-01-05 2017-08-18 西铁城时计株式会社 机械表的机芯
CN106502076B (zh) * 2015-09-07 2017-12-22 天津海鸥表业集团有限公司 一种动力储备的显示机构
EP3333637B1 (de) * 2016-12-12 2021-09-22 ETA SA Manufacture Horlogère Suisse Mechanisches uhrwerk mit erfassung der gangreserve
EP3699694B1 (de) * 2019-02-21 2022-10-26 Patek Philippe SA Genève Uhr mit einer vorrichtung zum anzeigen der gangreserve
CN111860021B (zh) * 2020-07-29 2022-11-29 广西科技大学 一种数据调用设备
EP4343449A1 (de) 2022-09-26 2024-03-27 Oris Holding AG Gangreserve-anzeigevorrichtung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH688879B5 (fr) * 1995-08-10 1998-11-13 Asulab Sa Pièce d'horlogerie avec indication de la réserve de marche.
CH690973A5 (fr) * 1996-12-19 2001-03-15 Asulab Sa Pièce d'horlogerie dont le mécanisme est entraîné par des moyens mécaniques et comprenant un dispositif d'indication de réserve de marche.
JPH11183642A (ja) * 1997-12-22 1999-07-09 Seiko Instruments Inc ぜんまい巻き状態表示装置付き時計
CN1249449A (zh) * 1998-09-30 2000-04-05 东方时计株式会社 发条动力的指示机构及钟表
DE69940727D1 (de) * 1999-08-04 2009-05-28 Piguet Frederic Sa Vorrichtung zur Anzeige der Gangreserve einer Uhr
JP3460688B2 (ja) * 1999-09-29 2003-10-27 セイコーエプソン株式会社 計時装置
EP1139182B1 (de) * 2000-03-27 2007-10-03 Vaucher Manufacture Fleurier SA Anzeigemechanismus der Gangreserve einer Uhr und mit diesem Mechanismus versehene Uhr
EP1260883A1 (de) * 2001-05-22 2002-11-27 Parmigiani Mesure et Art du Temps SA Vorrichtung zur Anzeige der Gangreserve einer Uhr
US6826124B2 (en) * 2002-12-04 2004-11-30 Asulab S.A. Timepiece with power reserve indication
EP1498789A1 (de) * 2003-07-14 2005-01-19 Eterna SA Vorrichtung zur Anzeige der Gangreserve einer mechanischen Uhr
JP4475630B2 (ja) * 2004-01-27 2010-06-09 セイコーインスツル株式会社 変形セグメント歯車を含むぜんまい巻き状態表示装置付き時計

Also Published As

Publication number Publication date
TW200535577A (en) 2005-11-01
ATE534939T1 (de) 2011-12-15
EP1562086A1 (de) 2005-08-10
HK1076876A1 (en) 2006-01-27
US20090161495A1 (en) 2009-06-25
WO2005085963A1 (fr) 2005-09-15
US7684285B2 (en) 2010-03-23
JP4566201B2 (ja) 2010-10-20
CN100524097C (zh) 2009-08-05
JP2007520717A (ja) 2007-07-26
CN1914565A (zh) 2007-02-14
EP1711865A1 (de) 2006-10-18
MY140197A (en) 2009-11-30

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