EP3667434B1 - Grossanzeigemechanismus für datum, und mit einem solchen mechanismus ausgestattete uhr - Google Patents

Grossanzeigemechanismus für datum, und mit einem solchen mechanismus ausgestattete uhr Download PDF

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Publication number
EP3667434B1
EP3667434B1 EP18211352.2A EP18211352A EP3667434B1 EP 3667434 B1 EP3667434 B1 EP 3667434B1 EP 18211352 A EP18211352 A EP 18211352A EP 3667434 B1 EP3667434 B1 EP 3667434B1
Authority
EP
European Patent Office
Prior art keywords
date
indicator
wheel
pinion
indications
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
EP18211352.2A
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English (en)
French (fr)
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EP3667434A1 (de
Inventor
Daniel Matteazzi
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 EP18211352.2A priority Critical patent/EP3667434B1/de
Priority to US16/658,236 priority patent/US11543777B2/en
Priority to JP2019208460A priority patent/JP6788093B2/ja
Priority to CN201911249157.7A priority patent/CN111290233B/zh
Publication of EP3667434A1 publication Critical patent/EP3667434A1/de
Application granted granted Critical
Publication of EP3667434B1 publication Critical patent/EP3667434B1/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
    • 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
    • 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
    • G04B19/2536—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 automatically corrected at the end of months having less than 31 days
    • 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
    • G04B13/00—Gearwork
    • 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
    • G04B19/24306—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 combination of different shapes, e.g. bands and discs, discs and drums
    • G04B19/2432—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement

Definitions

  • the present invention relates to a positioning system for a large date display mechanism.
  • the present invention also relates to a timepiece comprising such a positioning system.
  • the present invention is concerned with the so-called “big date” date display mechanisms provided to equip mechanical or electromechanical timepieces. These large date display mechanisms are so called because they allow the date indication to be displayed on a larger scale, which facilitates the reading of the date and brings an undeniable plus to the aesthetics of the watch. clockwork equipped with such a mechanism.
  • a conventional date display mechanism essentially comprises a date ring on the periphery of which the date indications from “1" to "31” are shown. This date ring moves forward one step per day. At the end of the months of less than 31 days, the owner of the watch must advance the date ring of the date indication "28" or of the date indication "29” in the case of a leap year to 'to the date indication "1" when it is in the month of February, and from the date indication "30" to the date indication "1" for the other months of the year having less 31 days.
  • Date display mechanisms that require owner intervention at the end of each month less than 31 days old are called simple date display mechanisms.
  • the display mechanisms of date that only requires owner intervention once a year, when the month of February changes to March, are called semi-perpetual date display mechanisms.
  • the date display mechanisms which spontaneously switch from the date indication of the last day of a month of less than 31 days to the date indication of the first day of the following month, and this including leap years are called perpetual date display mechanisms.
  • the date display mechanisms which include a single ring around which the date indications are distributed from “1” to “31” have the advantage of comprising a limited number of parts. They are therefore more economical and easier to integrate into a clockwork movement of a mechanical or electromechanical watch. On the other hand, we only have an angular sector of a little less than 12 ° to reproduce each of the 31 date indications on the date ring. The size of the date indications is therefore necessarily limited by the dimensions of the date ring, which can make these date indications difficult to read.
  • Large date date display mechanisms conventionally include a first date indicator on which the indications of the date units from “0” to “9” are shown. These 10 digits are reproduced on the first date indicator in sequences which depend on the operating mode of the large date display mechanism in question. These date display mechanisms are supplemented by a second date indicator on which the indications of the tens of date from “0” to “3” are reproduced.
  • a second date indicator on which the indications of the tens of date from “0” to “3” are reproduced.
  • the solution usually proposed to solve this problem consists in depriving one of the wheels which is located in the kinematic chain between the output of the clockwork movement and the date indicator which bears the indications of the date units of at least a tooth so that, although driven by the clockwork movement, this wheel in turn does not manage to drive the pinion with which it is engaged when going from "31" to "01".
  • the pinion remains stationary during this period, the kinematic connection between the watch movement and the first date indicator which carries the indications of the date units is interrupted, and the indication of the date units "1" remains unchanged.
  • the object of the present invention is to solve the problem explained above by providing a large date display mechanism in which the indexing of a pinion located in the kinematic chain which drives an indicator ring of the units is ensured, even when this pinion is not in mesh with a driving wheel with which it meshes normally in order to guarantee that the units indicator ring will remain stationary during the passage of the “31” from one month to the next. "01" of the following month.
  • the present invention relates to a large date date display mechanism driven via a kinematic chain by a timepiece movement of a timepiece equipped with this large date display mechanism, this large date display mechanism.
  • 'large date date display comprising a first date indicator on which are shown the indications of the date units from “0" to “9”, and a second date indicator on which are shown the indications of the tens of date of "0""To” 3 ", all date indications from "01” to "31” which can be obtained by combining the indications of the date units "0" to “9” carried by the first date indicator with the indications of the tens of date "0" to “3” carried by the second date indicator, the first date indicator remaining stationary during the passage from the last day of a 31-day month to the first day of the following month, the kinematic chain comprising a wheel continuously engaged with the clockwork movement and which has a perimeter provided with teeth via which the wheel meshes with a pinion which itself participates in driving the first indicator of
  • the double jumper comprises a first end at which the first spout is provided, and a second end at which the second spout is provided.
  • the invention also relates to a timepiece comprising a large date calendar display mechanism of the type specified above.
  • the present invention provides a large date display mechanism in which the positioning of a pinion which participates in driving the indicator of the date units is constantly guaranteed, even when this pinion is free. from any socket with a wheel via which it is driven by the clockwork movement of the timepiece fitted with this large date display mechanism.
  • the pinion is decoupled from the clockwork movement so that the date units indicator remains stationary during this period.
  • the marking "1" carried by the date units indicator is used both to compose the date indication "31" at the end of a month of 31 days, and to compose the date indication. "01" at the start of the following month. It is therefore essential that the indicator of the date units remains stationary during this period of time so that the date indication which appears through a window in a dial of the timepiece is accurate. Consequently, the pinion must be decoupled so that the clockwork movement which operates continuously cannot drive the indicator of the date units.
  • the double jumper is engaged with a toothing of the date units indicator in order to permanently ensure the correct positioning of the indication of the date unit in the aperture pierced in the dial of the part of the date. watchmaking.
  • the present invention proceeds from the general inventive idea which consists, in a large date display mechanism, in simultaneously ensuring, by means of a single double jumper, the correct positioning of a pinion and of an indicator. date units driven by this pinion, in particular during the period of time when, to prevent the pivoting of the date units indicator, the pinion is no longer in mesh with the wheel which, under normal circumstances, transmits to this pinion the energy supplied by the clockwork movement of the timepiece equipped with the large date display mechanism according to the present invention.
  • the large date display mechanism equips a timepiece 2 such as a wristwatch which comprises a dial 4 in which is formed a window 6 through which is visible an indication of big date 8.
  • the large date display mechanism 1 comprises a reference to the center 10 which is conventionally integral with an hour wheel driven by a timer of a clockwork movement (not shown).
  • This return to the center 10 meshes with a cam drive wheel 12 which is driven at the rate of one revolution per day.
  • This cam drive wheel 12 in turn drives a cam wheel 14 on which a cam 16 is fixed.
  • the cam drive wheel 12 and the cam wheel 14 are kinematically linked together by means of a pin 18 driven into the cam wheel 14 and which passes freely through an oblong hole 20 made in the cam drive wheel 12 ( to see figure 5 ).
  • a pin 18 driven into the cam wheel 14 and which passes freely through an oblong hole 20 made in the cam drive wheel 12 ( to see figure 5 ).
  • the cam 16 has a profile 16a at a location of which a step 16b.
  • a trigger lever 22, elastically constrained by a spring 24, comprises a beak 26 through which it follows the profile 16a of the cam 16.
  • the trigger lever 22 falls along the step 16b of the profile 16a of the cam 16 and causes the instantaneous pivoting of the cam wheel 14 by an angle which is defined by the step 16b of the profile 16a of the cam 16. It will be noted that the dimensions of the oblong hole 20 are sufficient to allow the cam wheel 14 to perform its instantaneous pivoting movement without being hampered by the pin 18.
  • the cam wheel 14 drives a date drive wheel 28 which carries a finger 30 by which the date drive wheel 28 controls, once a day, the advance of a wheel of thirty-one teeth 32 by one. no see figure 3 ). Furthermore, a programming wheel 34 is attached to the thirty-one tooth wheel 32. The thirty-one tooth wheel 32 in turn meshes with a drive wheel 36 which itself engages with an intermediate gear. 38 of an intermediate mobile 40. Finally, an intermediate wheel 42 of the intermediate mobile 40 meshes with a drive pinion of the units 44 of a drive wheel of the units 46 of which a drive wheel of the units 48 drives an indicator of the date units. By way of illustrative and non-limiting example only, this date units indicator is in the form of a ring 50.
  • This units indicator ring 50 bears the indications “0”, “1”, “2”, “ 3 ",” 4 ",” 5 “,” 6 “,” 7 “,” 8 “and” 9 "which correspond to the indications of the date units and advance at the rate of one step per day, except when passing through the “31” from one month to “1” of the following month.
  • the programming wheel 34 is provided with four teeth 34a, 34b, 34c and 34d by which this programming wheel 34 drives by one step every 10 days a star with four teeth 52 on which is fixed a tens of date indicator.
  • this indicator of the tens of the date is designed under the shape of a disc 54.
  • the tens indicator disc 54 bears the indications "0", “1", “2” and "3" which correspond to the tens indications of the date.
  • the units indicator ring 50 advances one step per day, except when changing from "31" of one month to "1" of the following month. During this passage, the indicator ring of the 50 units must remain stationary. In fact, the marking "1" carried by the date units indicator is used both to compose the date indication "31” at the end of a month of 31 days, and to compose the date indication. date "01" at the start of the following month. It is therefore essential that the indicator ring of the units 50 remains stationary during this period of time so that the date indication which appears through the window 6 provided in the dial 4 of the timepiece 2 is exact.
  • a double jumper 60 arranged to pivot about a center O.
  • This double jumper 60 is provided with a first nose 60a by which it engages with an internal toothing 62 of the indicator ring of the units 50, and of a second nose 60b by which it engages with the teeth 58 of the intermediate gear 38.
  • the double jumper 60 is held in elastic support against the teeth 58 of the intermediate gear 38 and against the internal teeth 62 of the indicator ring units 50 by a spring 64.
  • the double jumper 60 pivots around its pivoting center O and its beak 60b moves out of the hollow between two consecutive teeth of the toothing 58 from this intermediate pinion 38 to the following hollow.
  • the first beak 60a of the double jumper 60 emerges from the hollow between the two teeth of the internal toothing 62 of the indicator ring of the units 50 and falls into the following hollow.
  • the geometry of the double jumper 60 and the positioning of its pivoting center O are such that when the double jumper 60 rotates, it disengages simultaneously from the teeth 58 of the intermediate gear 38 and from the internal teeth 62 of the indicator ring of the units. 50.
  • the intermediate pinion 38 although not being in taken with the driving wheel 36, is held in position by the spout 60b of the double jumper 60, so that there is no risk that the date indication "1" is not properly centered in the aperture 6 provided in dial 4 of timepiece 2.
  • the first spout 60a is provided at a first end of the double jumper 60
  • the second spout 60b is provided at a second end of the double jumper 60. It will nevertheless be understood that depending on the constraints of construction of the display mechanism, it is possible to provide two nozzles 60a, 60b extending from the same end of the double jumper 60 along two different radii (see figure 6 ).
  • the intermediate pinion 38 belongs to the intermediate mobile 40 with an intermediate wheel 42 of which it is coupled in rotation.
  • This intermediate wheel 42 in turn meshes with a drive pinion of the units 44 of a mobile drive 46 of the indicator ring of the units 50.
  • This drive pinion 44 is rotatably coupled with the drive wheel of the units 48 which drives the ring. indicator of the units 50 by meshing with the internal toothing 62 of this indicator ring of the units 50.
  • the present invention is not limited to the embodiment which has just been described and that various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the invention as defined. by the appended claims.
  • the number of teeth of the teeth 56 of the driving wheel 36 may be different from thirty-one teeth and that the number of omitted teeth may be different from two, for example equal to one or three.
  • the two spouts of the double jumper can be arranged on the same end of the jumper, extending from this end along two different radii.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Claims (3)

  1. Großdatums-Anzeigemechanismus, der über eine kinematische Kette durch ein Uhrwerk einer Uhr (2), die mit diesem Großdatums-Anzeigemechanismus (1) ausgestattet ist, angetrieben wird, wobei dieser Großdatums-Anzeigemechanismus (1) einen ersten Datumsanzeiger (50), auf den die Angaben der Einer des Datums von "0" bis "9" übertragen werden, und einen zweiten Datumsanzeiger (54), auf den die Angaben der Zehner des Datums von "0" bis "3" übertragen werden, umfasst, wobei sämtliche Angaben des Datums von "01" bis "31" durch Kombination der Angaben der Einer des Datums "0" bis "9", die von dem ersten Datumsanzeiger (50) getragen werden, mit den Angaben der Zehner des Datums "0" bis "3", die von dem zweiten Datumsanzeiger (54) getragen werden, erhalten werden können, wobei der erste Datumsanzeiger (50) des Übergangs vom letzten Tag eines Monats mit 31 Tagen zum ersten Tag des folgenden Monats unbeweglich bleibt, wobei die kinematische Kette ein Rad (36) umfasst, das mit dem Uhrwerk in ständigem Eingriff steht und das einen Umfang aufweist, der mit einer Zahnung (56) versehen ist, über die das Rad (36) mit einem Ritzel (38) in Eingriff ist, das seinerseits zum Antrieb des ersten Anzeigers des Datums (50) beiträgt, wobei das Rad (36) an einer Stelle seines Umfangs keinen Zahn aufweist, damit während des Übergangs vom letzten Tag eines Monats mit 31 Tagen zum ersten Tag des folgenden Monats das Rad (36) mit dem Ritzel (38) nicht in Eingriff ist, das ebenso wie der erste Datumsanzeiger (50) somit unbeweglich bleibt,
    wobei der Großdatums-Anzeigemechanismus (1) ferner eine schwenkbar um eine Achse (O) gelagerte doppelte Hebelfeder (60) umfasst, die einen ersten Schnabel (60a), mit dem sie mit einer Zahnung (62) des ersten Datumsanzeigers (50) in Eingriff ist, und einen zweiten Schnabel (60b), mit dem sie mit einer Zahnung (58) des Ritzels (38) in Eingriff ist, aufweist, wobei die doppelte Hebelfeder (60) mit dem ersten Datumsanzeiger (50) und mit dem Ritzel (38) in einem elastischen Eingriff gehalten wird.
  2. Großdatums-Anzeigemechanismus nach Anspruch 1, dadurch gekennzeichnet, dass die doppelte Hebelfeder ein erstes Ende, an dem der erste Schnabel (60a) vorgesehen ist, und ein zweites Ende, an dem der zweite Schnabel (60b) vorgesehen ist, aufweist.
  3. Uhr, umfassend einen Großdatums-Anzeigemechanismus nach einem der Ansprüche 1 und 2.
EP18211352.2A 2018-12-10 2018-12-10 Grossanzeigemechanismus für datum, und mit einem solchen mechanismus ausgestattete uhr Active EP3667434B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18211352.2A EP3667434B1 (de) 2018-12-10 2018-12-10 Grossanzeigemechanismus für datum, und mit einem solchen mechanismus ausgestattete uhr
US16/658,236 US11543777B2 (en) 2018-12-10 2019-10-21 Large date calendar display mechanism and timepiece comprising same
JP2019208460A JP6788093B2 (ja) 2018-12-10 2019-11-19 大型日付カレンダー表示機構及びこれを有する計時器
CN201911249157.7A CN111290233B (zh) 2018-12-10 2019-12-09 大日期日历显示机构和包括该机构的钟表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18211352.2A EP3667434B1 (de) 2018-12-10 2018-12-10 Grossanzeigemechanismus für datum, und mit einem solchen mechanismus ausgestattete uhr

Publications (2)

Publication Number Publication Date
EP3667434A1 EP3667434A1 (de) 2020-06-17
EP3667434B1 true EP3667434B1 (de) 2021-08-04

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EP18211352.2A Active EP3667434B1 (de) 2018-12-10 2018-12-10 Grossanzeigemechanismus für datum, und mit einem solchen mechanismus ausgestattete uhr

Country Status (4)

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US (1) US11543777B2 (de)
EP (1) EP3667434B1 (de)
JP (1) JP6788093B2 (de)
CN (1) CN111290233B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4020099A1 (de) * 2020-12-24 2022-06-29 Blancpain SA Retrograder anzeigemechanismus für uhr vom schleppzeigertyp, der mit einer kupplungswippe der anzeige ausgestattet ist

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH690515A5 (fr) 1996-03-27 2000-09-29 Patek Philippe Sa Pièce d'horlogerie munie d'un affichage du quantième.
CN2375981Y (zh) * 1999-05-13 2000-04-26 天津海鸥手表(集团)公司 手表大日历机构
DE60040330D1 (de) * 2000-05-25 2008-11-06 Vaucher Mft Fleurier Sa Datumsanzeigevorrichtung für eine Uhr
EP1220057B1 (de) * 2000-12-22 2008-05-14 ETA SA Manufacture Horlogère Suisse Uhr mit Grossdatum
EP1296204B1 (de) * 2001-09-24 2005-12-14 Richemont International S.A. Datumsanzeigemechanismus
JP4646016B2 (ja) 2004-01-30 2011-03-09 セイコーインスツル株式会社 第一日車および第二日車を含むカレンダ機構付き時計
EP1795977A1 (de) * 2005-12-09 2007-06-13 Glashütter Uhrenbetrieb GmbH Antriebsmechanismus einer Kalenderanzeige für eine Uhr
EP2490083B1 (de) * 2011-02-17 2013-10-16 Glashütter Uhrenbetrieb GmbH Programmrädchen eines Datumsmechanismus
EP2503410B1 (de) 2011-03-22 2014-05-21 Montres Breguet SA Kalendermechanismus, der einen Monatsschnellkorrektor umfasst
CN102914959B (zh) 2012-10-12 2014-04-02 杭州手表有限公司 一种时间显示瞬间变换机构
EP3040784B1 (de) * 2014-12-30 2018-08-15 ETA SA Manufacture Horlogère Suisse Datumsanzeigevorrichtung für eine Uhr
CH712219A2 (fr) * 2016-03-15 2017-09-15 Chanel Sa Genève Mécanisme pour mouvement de montre à affichage rétrograde et sautant.
EP3339973B1 (de) * 2016-12-21 2019-07-24 Blancpain SA Datumsmechanismus
CH715107B1 (fr) * 2018-06-18 2021-12-30 Montres Breguet Sa Mécanisme de réglage pour mécanisme d'affichage d'horlogerie à rouleau.

Also Published As

Publication number Publication date
EP3667434A1 (de) 2020-06-17
CN111290233B (zh) 2021-07-27
JP6788093B2 (ja) 2020-11-18
JP2020095024A (ja) 2020-06-18
US20200183331A1 (en) 2020-06-11
US11543777B2 (en) 2023-01-03
CN111290233A (zh) 2020-06-16

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