EP1596261B1 - Jährlicher Kalendermechanismus für Uhrwerk - Google Patents

Jährlicher Kalendermechanismus für Uhrwerk Download PDF

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Publication number
EP1596261B1
EP1596261B1 EP05405291A EP05405291A EP1596261B1 EP 1596261 B1 EP1596261 B1 EP 1596261B1 EP 05405291 A EP05405291 A EP 05405291A EP 05405291 A EP05405291 A EP 05405291A EP 1596261 B1 EP1596261 B1 EP 1596261B1
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EP
European Patent Office
Prior art keywords
date
toothset
satellite
months
teeth
Prior art date
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Expired - Lifetime
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EP05405291A
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English (en)
French (fr)
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EP1596261A1 (de
Inventor
Christian Fleury
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Rolex SA
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Rolex SA
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Priority to EP05405291A priority Critical patent/EP1596261B1/de
Publication of EP1596261A1 publication Critical patent/EP1596261A1/de
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    • 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
    • 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
    • G04B19/2538—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 automatically corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to an annual calendar mechanism for a watch movement comprising a calendar mobile with 31 teeth, a jumper engaged with its toothing, a satellite of the months, whose axis of rotation is integral with this mobile of dates and which has five teeth for driving a pitch of twelve steps for months of less than 31 days, a fixed planetary toothing, coaxial with the mobile dates, in desmodromic connection with the satellite months and a drive member the mobile dates in driving connection with the hour wheel of the watch movement and having two drive fingers, the first cutting the trajectory of the tooth of the mobile dates, the second cutting the trajectory of the toothing of the satellite months when its axis of revolution is aligned with those of the planetary toothing, the drive member and the mobile dates.
  • Such an annual calendar mechanism associated with a perpetual calendar mechanism, is described in the EP 1 351 104 .
  • This mechanism comprises a month satellite whose pivot axis is integral with a date wheel which makes a turn per month.
  • This month satellite has twelve teeth, seven of which are truncated and five are not truncated.
  • the twelve teeth of this satellite meshes with fixed planetary toothing of seven teeth, coaxial with the date wheel.
  • this twenty-four hour wheel has twenty-four teeth, twenty of which are truncated and among the other four, one is a normal drive tooth that engages with the date wheel once a day and another is an annual correction tooth, shifted parallel to its axis of rotation, to engage with one of the five uncut teeth of the satellite for months whenever the month is less than thirty-one days old.
  • one of the five uncut teeth of the month satellite covers one of the teeth of the date wheel and is located in the trajectory of a correction tooth of the wheel which makes a turn in twenty- four hours, so that by turning, the correction tooth of this wheel, shifted parallel to its axis of rotation, rotates the satellite months, which is in engagement with the fixed planetary toothing, rotates the wheel of the days before that the normal drive finger of this twenty-four hour wheel rotates the date wheel one step, as it does with each rotation, so that the date wheel is moved two steps for a turn of the twenty-four hour wheel.
  • This mechanism has the advantage of avoiding cam and lever devices such as those described in FIG. CH 685 585 or in the EP 987609 , which use energy, are difficult to develop and are therefore unreliable.
  • this mechanism has a major disadvantage arising from the fact that the month satellite works on a first pitch circle with the fixed planetary toothing, while it works on a second pitch circle, larger than the first, with the drive teeth of the twenty-four hour wheel.
  • This larger pitch diameter is needed to prevent the drive teeth of the 24-hour wheel from coming into contact with the truncated teeth of the satellite of the months. Therefore, the penetration between the teeth of the twenty-four hour wheel in the satellite toothing of months is low, as well as the angular value of the led.
  • Such a mechanism is therefore not very reliable and is at least extremely difficult to develop, leading to retouches piece by piece.
  • a further disadvantage of this solution comes from the fact that when the axis of revolution of the satellite months is aligned with the respective axes of revolution of the planetary toothing and the wheel of twenty-four hours, the satellite is between them, in so that the training of this satellite is done on a portion of its toothing located furthest from the center of the date wheel by the twenty-four hour wheel located outside this date wheel, which reduces the at least a lead angle, the penetration and the lead angle being already reduced because the pitch diameter between this twenty-four hour wheel and the month satellite is enlarged relative to the pitch diameter between this satellite and the planetary gear. .
  • the realization and development of such a mechanism is therefore problematic and its reliability is low.
  • the object of the present invention is to overcome, at least in part, the aforementioned drawbacks.
  • the present invention relates to a date mechanism according to claim 1.
  • the essential advantage of this invention stems from the fact that the presence of two coaxial satellites each of which fulfills a distinct function allows each of them to work. with normal toothings, each toothing working only on a single primitive circle, the respective primitive circles of the two mobiles meshing with each other being tangent. These gear conditions allow the teeth to have optimal penetrations, so the angles of operations capable of producing a reliable drive, which is not the case when working near the ends of the teeth.
  • the axis of revolution of the drive member of the mobile dates when aligned with the respective axes of revolution of the satellites and the planetary toothing, is located between their axes of revolution.
  • the second satellite has a diameter substantially greater than that of the satellite of the months.
  • the training of the satellite of the months by the correction finger is carried out on a smaller pitch radius than that of the second satellite. Thanks to this particularity, the meaning of rotation of the satellites during their drive by the second drive finger is the same as that of the drive member carrying said second finger.
  • the mobile month of the month bearing the satellite of the month is a ring or disc coaxial date in the center of the watch movement, thus allowing to have organs of larger dimensions with a remote mechanism.
  • the arrangement of the satellites on the date mobile reduces the number of parts, no referral being necessary between the annual calendar mechanism and the date mobile.
  • the date mobile has the shape of a ring.
  • the date mechanism object of the invention comprises a mobile dates which is preferably in the form of a date ring 1 also called date disc.
  • the inner edge of this date ring 1 comprises 31 teeth positioned by a jumper spring 2.
  • the daily drive of this date ring is performed by a drive finger 3a integral with a drive member 3 secured to an instantaneous jump cam 4 connected to a wheel 5 by means of a pin 4a engaged with an opening in an arc of circle 5a formed in the wheel 5.
  • This wheel 5 is driven at the rate of one turn in twenty- four hours by the hour wheel 6 of the watch movement and via a mobile 6a.
  • a rocker 7 is applied against the periphery of the instantaneous jump cam 4 by a spring 8 intended to rotate the cam 4 sharply in the clockwise direction as soon as it reaches the end of the winding ramp. 4b of the spring 8 to drive the drive member 3 of the date ring 1.
  • a planetary toothing 9 is fixed to the frame of the clockwork movement, concentrically to the date ring 1.
  • a planet gear 10 whose number of teeth is twelve or, preferably, a multiple of twelve is mounted pivoting about an axis integral with the date ring 1.
  • This pinion gear 10 is constantly engaged with the planetary gear 9, forming with it a simple epicyclic gear that makes one turn per month.
  • a second satellite gear of months 11 having only five teeth out of twelve is integral and coaxial with the pinion satellite 10.
  • the diameter of the satellite pinion months 11 is less than that of the pinion satellite 10.
  • the drive member 3 carries a second finger 3b offset, on the one hand angularly, forwardly relative to the direction of rotation corresponding to that of the watch hands of this drive member 3, on the other hand parallel to its axis of rotation.
  • This second finger 3b of the drive member 3 constitutes a correction finger intended to drive the date ring 1 by one additional step at the end of each month of less than 31 days.
  • the principle on which the correction mechanism operates is to bring the 30 of each month less than 31 days one of the five teeth of the satellite gear 11 months substantially in alignment with the line joining the respective axes of revolution of the sun gear 9, the drive member 3 of the mobile of dates 1 and satellites 10, 11, as illustrated in FIG. 2.
  • this satellite 11 is integral with the larger diameter satellite 10 which is in engagement with the sun gear 9 and, on the other hand, that the drive member 3 is situated between the axis of revolution of the sun gear 9 and the axis of revolution of the satellites 10, 11, the displacement of the satellite 11 by the correction finger 3b results in a rotation of this satellite 11 in the direction of the hands of the watch, that is to say say in the same direction as the drive member 3.
  • This gear that can be described as pseudo-paradoxal increases the contact angle between the correction finger 3b and the pinion 11, improving safety displacement and ensuring that the date ring 1 will not be brought back by the jumper 2, but on the contrary, that it will complete the drive of the date ring by moving it in the direction of the needles of the shows.
  • the components of the date mechanism are in the position illustrated in FIG. 3, that is to say that the date ring 1 has been advanced by one step at 31.
  • the normal training finger 3a that takes over and moves the disc as it does every twenty-four hours, to bring the "1" of the following month into the wicket 13 whose position is indicated in phantom.
  • the first condition to fulfill is obviously that the satellite 10 which represents the months, has a number of teeth corresponding to twelve or a multiple of twelve. With regard to the satellite of the five-toothed months distributed over a twelve-step pinion, its five teeth must be either arranged on five consecutive steps or chronologically distributed, as are the months of less than thirty-one days and the months thirty-one days or in reverse chronology.
  • the respective numbers of teeth of the satellite 10 and the sun gear 9 are chosen as large as possible, which reduces the angular clearance of the planet pinion 10 and therefore that of the satellite pinion months to five teeth 11.
  • the sun gear has 123 teeth while the pinion gear 10 has 36.
  • the five teeth of the satellite gear 11 months will have to be distributed, not grouped as in the example shown, but separated by gaps equal to one or two not, according as the month of less than thirty-one days is followed by one or two months of thirty-one days, as is the case of June and November.
  • the number of revolutions of the satellites 10, 11 per revolution of the mobile of the dates 1 will be equal, either to a number of whole revolutions more 1/12 th of a turn, or to a whole number of revolutions plus 11/12 th turn, according to which the five teeth of the satellite gear follow one another chronologically as the months in the year or as the inverse of the months in the year.
  • Figure 4 illustrates the angular position of the five teeth of the satellite gear 11 months at the end of a month of 31 days, here the month of March. It can be seen that none of the five teeth of the planet gear 11 is in the trajectory of the correction finger 3b. Therefore, when the instantaneous jump rocker 7 will turn the fingers 3a and 3b through the cam 4, the finger 3b will not encounter a tooth of the planet pinion 11 and only the finger 3a will cause a step date ring 1, bringing the "31" into the window 13.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Retarders (AREA)
  • Transmission Devices (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Electromechanical Clocks (AREA)

Claims (5)

  1. Jahreskalendermechanismus für ein Uhrwerk mit einem Datumdrehteil (1) mit 31 Zähnen, einer Hebelfeder (2) im Eingriff mit seinen Zähnen, einem Monatsplanetenrad (11), dessen Drehachse fest mit diesem Datumdrehteil (1) verbunden ist und das fünf Antriebszähne einer Zahnung von zwölf Schritten für die Monate mit weniger als 31 Tagen hat, einer zum Datumdrehteil (1) koaxialen festen Planetenzahnung (9) in desmodromischer Verbindung mit dem Monatsplanetenrad (11) und einem Antriebsorgan (3) für das Datumdrehteil (1) in antreibender Verbindung mit dem Stundenrad des Uhrwerks, das zwei Antriebsfinger (3a, 3b) aufweist, von denen der erste die Bahn der Zahnung des Datumdrehteils (1) schneidet und der zweite die Bahn der Zahnung des Monatsplanetenrades (11) schneidet, wenn seine Drehachse mit den Achsen der Planetenzahnung (9), des Antriebsorgans (3) und des Datumdrehteils (1) abgefluchtet ist, dadurch gekennzeichnet, dass das Monatsplanetenrad (11) über ein zweites Planetenrad (10), das mit ihm fest verbunden und koaxial ist und dessen Zahl von Zähnen ein Mehrfaches von zwölf ist, mit der Planetenzahnung (9) verbunden ist, und dadurch, dass die Zahnung jedes dieser Planetenräder eine normale Zahnung ist, die auf einem einzigen Teilkreis arbeitet, wobei die Zahl der Zähne zi der Planetenzahnung (9) unter den Zahlen bzw. Mehrfachen der Zahlen ausgewählt wird, die nach der Formel Z i + 1 = z i + 3 + - 1 i ,
    Figure imgb0004
     mit i = 1, 2, 3... und z 1 = 5
    erhalten werden, damit jeder Umdrehung des Datumdrehteils (1) eine nicht ganze Anzahl von Umdrehungen der Planetenräder entspricht und einer der fünf Zähne des Monatsplanetenrades (11) am 30. jedes Monats mit weniger als 31 Tagen mit den Achsen der Planetenräder (10, 11), der Planetenzahnung (9) und des Antriebsorgans (3) für das Datumdrehteil (1) im Wesentlichen ausgefluchtet ist, damit der benannte zweite Zahn (3b) das Datumdrehteil (1) über die benannten Planetenräder (10, 11) um einen zusätzlichen Schritt antreiben kann.
  2. Kalendermechanismus nach Anspruch 1, bei dem sich die Drehachse des Antriebsorgans (3) des Datumdrehteils (1), wenn sie mit den Drehachsen der Planetenräder (10, 11) und der Planetenzahnung (9) ausgefluchtet ist, zwischen ihren Drehachsen befindet.
  3. Kalendermechanismus nach einem der vorangehenden Ansprüche, bei dem das zweite Planetenrad (10) einen merklich grösseren Durchmesser als das Monatsplanetenrad (11) besitzt, damit die Drehrichtung der Planetenräder (10, 11) bei ihrem Antrieb durch den zweiten Antriebsfinger (3b) die gleiche ist wie die des Antriebsorgans (3), das den benannten zweiten Finger (3b) trägt.
  4. Kalendermechanismus nach einem der vorangehenden Ansprüche, bei dem das Datumdrehteil (1) ein Ring mit Innenzahnung ist.
  5. Kalendermechanismus nach einem der vorangehenden Ansprüche, bei dem das benannte Antriebsorgan (3) über eine Sofortantriebsvorrichtung (4, 7, 8) mit dem Stundenrad des Uhrwerks verbunden ist.
EP05405291A 2004-05-14 2005-04-13 Jährlicher Kalendermechanismus für Uhrwerk Expired - Lifetime EP1596261B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05405291A EP1596261B1 (de) 2004-05-14 2005-04-13 Jährlicher Kalendermechanismus für Uhrwerk

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04405309 2004-05-14
EP04405309 2004-05-14
EP05405291A EP1596261B1 (de) 2004-05-14 2005-04-13 Jährlicher Kalendermechanismus für Uhrwerk

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EP1596261A1 EP1596261A1 (de) 2005-11-16
EP1596261B1 true EP1596261B1 (de) 2007-08-01

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US (1) US7242640B2 (de)
EP (1) EP1596261B1 (de)
JP (1) JP4624848B2 (de)
CN (1) CN100495252C (de)
DE (2) DE602005001798T8 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428855A1 (de) 2010-09-08 2012-03-14 Rolex S.A. Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst

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EP1916575B1 (de) * 2006-10-24 2008-12-17 ETA SA Manufacture Horlogère Suisse Jahreskalendermechanismus für Uhrwerk
EP2015146B1 (de) * 2007-07-13 2011-03-02 Omega SA Augenblicklicher Anzeigemechanismus für Uhr
JP5135514B2 (ja) * 2007-11-21 2013-02-06 セイコーインスツル株式会社 月車及び日車を有するカレンダ機構付き時計
US8379020B2 (en) 2008-08-25 2013-02-19 Harris Corporation Image processing device using selective neighboring voxel removal and related methods
EP2407833B1 (de) * 2010-07-14 2013-03-13 Breitling AG Spielausgleichsmechanismus für Uhrwerk
EP2428856B1 (de) 2010-11-03 2014-01-22 Rolex Sa Uhr
EP2490084B1 (de) * 2011-02-17 2016-07-20 Glashütter Uhrenbetrieb GmbH Datumsmechanismus
JP5736242B2 (ja) 2011-06-10 2015-06-17 セイコーインスツル株式会社 カレンダ機構及びこれを有する時計
EP2565729B1 (de) * 2011-08-30 2018-01-31 Breitling AG Kalendermechanismus
JP5822695B2 (ja) 2011-12-01 2015-11-24 セイコーインスツル株式会社 カレンダ機構及びこれを有する時計
JP6494266B2 (ja) * 2013-12-13 2019-04-03 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ 時計仕掛けのムーブメントのためのジャンパー
JP6788345B2 (ja) 2015-01-12 2020-11-25 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ 時計カレンダー機構のモバイルを駆動する装置
EP3499317B1 (de) * 2017-12-13 2024-08-21 Rolex Sa Triebfeder eines kalender-uhrwerksmechanismus
USD894778S1 (en) * 2018-03-02 2020-09-01 Tudor Watch U.S.A., Llc Watch movement
USD894777S1 (en) * 2018-03-02 2020-09-01 Tudor Watch U.S.A., Llc Watch movement
USD891284S1 (en) * 2018-03-02 2020-07-28 Tudor Watch U.S.A., Llc Watch movement
USD894779S1 (en) * 2018-03-06 2020-09-01 Rolex Watch U.S.A., Inc. Watch movement
EP3644130B1 (de) 2018-10-22 2021-04-07 Dubois & Depraz S.A. Datumsmechanismus
EP3677970A1 (de) * 2019-01-07 2020-07-08 Rolex Sa Antriebsvorrichtung eines anzeigeelements
EP3705951A1 (de) * 2019-03-07 2020-09-09 Patek Philippe SA Genève Mechanismus zur anzeige der wochennummer fur einen uhrzeug
JP7811455B2 (ja) 2020-10-14 2026-02-05 ロレックス・ソシエテ・アノニム 時間または時間派生情報を表示するモバイルユニットを駆動し位置を保持するシステム
EP4033306B1 (de) * 2021-01-22 2023-06-28 Patek Philippe SA Genève Jahres- oder dauerkalendermechanismus
DE102023126820A1 (de) * 2023-10-02 2024-08-08 Damasko Präzisiontechnik GmbH & Co. KG Uhr mit schreibenförmigem Ziffernblattmodul

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CH684815B5 (fr) * 1993-07-15 1995-07-14 Longines Montres Comp D Mécanisme de quantième annuel pour pièce d'horlogerie.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428855A1 (de) 2010-09-08 2012-03-14 Rolex S.A. Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst

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HK1078349A1 (zh) 2006-03-10
EP1596261A1 (de) 2005-11-16
JP2005326420A (ja) 2005-11-24
DE602005001798T2 (de) 2008-04-30
US7242640B2 (en) 2007-07-10
US20050254350A1 (en) 2005-11-17
CN1696844A (zh) 2005-11-16
DE602005001798T8 (de) 2008-08-28
DE602005001798D1 (de) 2007-09-13
JP4624848B2 (ja) 2011-02-02
CN100495252C (zh) 2009-06-03
DE05405291T1 (de) 2006-05-18

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