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EP1536299A1 - Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen - Google Patents

Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen Download PDF

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Publication number
EP1536299A1
EP1536299A1 EP03027146A EP03027146A EP1536299A1 EP 1536299 A1 EP1536299 A1 EP 1536299A1 EP 03027146 A EP03027146 A EP 03027146A EP 03027146 A EP03027146 A EP 03027146A EP 1536299 A1 EP1536299 A1 EP 1536299A1
Authority
EP
European Patent Office
Prior art keywords
ring
teeth
date
rings
toothing
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
EP03027146A
Other languages
English (en)
French (fr)
Other versions
EP1536299B1 (de
Inventor
Roger Willemin
Roger Metzger
Marco Bettelini
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 EP03027146A priority Critical patent/EP1536299B1/de
Priority to DE60332637T priority patent/DE60332637D1/de
Priority to SG200407205A priority patent/SG112097A1/en
Priority to TW093135279A priority patent/TW200519553A/zh
Priority to US10/992,695 priority patent/US6925032B2/en
Priority to KR1020040096652A priority patent/KR101067067B1/ko
Priority to CN2004100917337A priority patent/CN1621975B/zh
Priority to JP2004341913A priority patent/JP4523835B2/ja
Publication of EP1536299A1 publication Critical patent/EP1536299A1/de
Priority to HK05109890.7A priority patent/HK1077883A1/xx
Application granted granted Critical
Publication of EP1536299B1 publication Critical patent/EP1536299B1/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
    • 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
    • G04B19/25366—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 manually 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
    • 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
    • G04B19/25—Devices for setting the date indicators manually

Definitions

  • the present invention relates to a date mechanism with a large date comprising two superposed date rings, respectively upper and lower, one of which carries fifteen successive markings of a cycle of 31 positions, while the other carries the other sixteen markings.
  • Counter metering and cyclic display devices used in calendar timepieces for displaying the date are already known.
  • the analog display of the date is conventionally made using a date ring which has 31 sectors bearing the markings from 1 to 31.
  • a device has the disadvantage of not offering, for each sector, a field whose size corresponds to a 31 th of the circumference of the ring.
  • the dimensions of this field are insufficient to allow an easily readable date display.
  • the need for a device to display a "large date" on a field much wider than a 31 th circumference has been felt.
  • the Brandi patent teaches a date mechanism comprising mainly a date ring greater than sixteen sectors, superimposed on a lower ring with seventeen sectors.
  • the upper ring bears on fifteen of its sectors markings "17" to "31” while the last sector is equipped of a window.
  • the lower ring has on sixteen of its sectors the markings "1" to "16", while the last sector is free of marking.
  • the circumference inside of the two rings has teeth, a place for the upper ring and a place for the lower ring being toothless.
  • a training finger of date classically making a turn every twenty-four hours, coaching the calendar rings in a classical way, by action on their teeth.
  • the driving position of the finger relative to the teeth of the rings is such that, when a ring has its free position (aperture for the upper ring and sector free of marking for the lower ring) at the display location of the shows, the finger drive is in front of the tooth-free position of the ring concerned.
  • the Brandi patent provides a date mechanism for a timepiece which advantageously makes it possible to give the date indication a large format, substantially double that of a conventional date mechanism.
  • This date mechanism is animated by a finger drive that makes a ride every twenty-four hours and which drives the date rings by action on their teeth.
  • a correction device that would allow quickly change the indication provided by the date mechanism.
  • it poses a problem with regard to the positioning of the rings of calendar. Indeed, according to the Brandi patent, two arresting devices by Jumping effect acts respectively on the teeth of the upper ring and on the teeth of the lower ring.
  • the present invention aims to overcome the disadvantages mentioned above and others by providing a date mechanism to give the date indication a large format, this mechanism comprising two superposed rings, respectively upper and lower, whose one carries fifteen successive markings of a cycle of 31 positions, while the other carries the other sixteen markings, a rapid correction device allowing quickly change the indication provided by the date mechanism.
  • Another object of the present invention is to provide a mechanism for date of the above-mentioned kind comprising a device for stopping by jumper allowing to properly position the two rings.
  • the present invention relates to a date mechanism for timepiece such as a wristwatch comprising two rings of superposed date, respectively upper and lower, the surface of which divides into a plurality of sectors, the upper ring comprising sixteen sectors, fifteen of which respectively bear fifteen successive markings of a cycle of 31 positions, and the sixteenth of which is a surplus sector with a window open or transparent, while the lower ring comprises seventeen sectors of which sixteen respectively carry the other sixteen markings of the 31-position cycle, and of which the seventeenth is a surplus sector, each of these rings co-operating with means of training in such a way that the markings of the ring below appear successively in a display area through the window, the upper ring remaining stationary, then that, the lower ring being immobile, the markings of the upper ring appear successively in the display area, the upper ring covering the markings of the lower ring, the date mechanism being characterized in that each ring comprises two peripheral teeth each made of a succession of teeth regularly spaced, these peripheral teeth extending in two rows tie
  • the present invention provides a mechanism for calendar comprising two superposed calendar rings and a device for quick fix to quickly change the information provided by the date mechanism.
  • the correction device is in look at the toothless place of the teeth of this ring.
  • correction device can only act on the other ring, so that the risks to disrupt the date mechanism are avoided.
  • the correction device includes a sliding pinion.
  • the sliding gear does not mesh with the teeth of the date rings only when it is set in motion by the user by means of a correction rod.
  • the mechanism of date includes means for jumper locking, the ring of lower date including additional teeth located under the teeth of this ring and whose teeth are arranged in coincidence with those of said lower toothing. Thanks to these characteristics, the stop device by jumper effect is simple to manufacture and allows proper positioning of both date rings. Indeed, unlike the prior art where, because of the fact that a place in the toothing of each of the calendar rings is devoid of tooth, the jumpers must be double-pointed and press between the points of three successive teeth, the jumpers according to the invention are constantly housed between two successive teeth of one or other of the teeth of a given ring, so that they stay in touch with the date ring concerned, even when passing the missing tooth.
  • the jumpers according to the invention therefore terminate classically by two inclined planes that support between the tips of two teeth immediately to keep the date rings in the desired position.
  • These necklaces are therefore of classic design and exert on the rings of date a holding force of constant intensity, whatever the position of said rings.
  • the present invention proceeds from the general inventive idea of to provide a date mechanism for a timepiece comprising on the one hand a training wheel making a turn every twenty-four hours and coaching the rings of date by action on their teeth, and secondly a device of correction allowing rapid modification of the indications provided by the date mechanism.
  • the date rings each comprise two inner peripheral teeth, one of which is for to cooperate with the drive wheel, while the other cooperates with the device correction.
  • a place in each of these teeth is devoid of tooth to define an extended rest position of the considered ring.
  • this Another object of the invention is to provide a calendar mechanism of the kind described above which the device for arresting by jumping effect comprises two little jumpers bulky, simple to manufacture and guaranteeing an adequate positioning of date rings.
  • each of the two date rings comprises two sets of teeth whose teeth are superimposed, the location of the missing tooth for the two teeth not being the same, so that the jumpers are constantly housed between two teeth successive teeth of one or the other of the teeth of a given ring and therefore remain in taken with the date ring concerned, even when passing the tooth missing.
  • FIG. 1 is a view from above of a watch movement comprising a date mechanism according to the invention.
  • the date mechanism according to the invention mainly comprises a ring of upper date 4 superimposed on a lower date ring 6.
  • the ring of upper date 4 has sixteen sectors, while the date ring lower 6 to seventeen sectors.
  • the upper ring 4 bears on fifteen of its sectors markings "17" to "31", while the last sector is provided an open or transparent window 8.
  • the lower ring 6 has meanwhile on Sixteen of its sectors markings "1" to "16", while the last sector is free marking.
  • the inner circumference of the upper date ring 4 comprises a toothing formed of a succession of regularly spaced teeth.
  • this single toothing is formed of two teeth upper and lower stages, whose teeth are respectively 10 and 12 superimposed, a place 14 of the upper toothing and a place 16 of the lower toothing being toothless (see Figure 4).
  • the inner circumference of the lower date ring 6 has two peripheral teeth each made of a succession of teeth regularly spaced, these peripheral teeth extending in two ranks staged, respectively upper and lower, the teeth 18 of the upper row being staggered relative to the teeth of the lower row (see Figure 5).
  • the toothing of the lower row is formed of two upper and lower staggered teeth whose teeth, designated respectively by 20 and 22, are superimposed.
  • a place 24 of the toothing upper and a place 26 of the lower toothing are toothless.
  • the date mechanism comprises a date drive wheel 28 making a turn all the twenty-four hours and that drives the rings of date 4 and 6 by action on the teeth 10 and 20 of the upper toothing of said upper ring 4 and the toothing lower part of said lower ring 6.
  • the position of the drive wheel 28 by ratio to the upper and lower teeth respectively of the upper rings 4 and lower 6 is such that when one of these rings presents its free position (window 8 for the upper ring 4 and unmarked sector for the ring lower 6) at the display location 30 of the watch movement 1 (dial window supposedly removed and that would occupy the position where we see the figure "16"), the wheel 28 is in front of the missing tooth, respectively 14 or 26, of the upper toothing of the upper ring 4 or the lower toothing of the lower ring 6.
  • the date mechanism also comprises a correction device for rapidly changing the indication provided by said date mechanism.
  • this correction device comprises a sliding pinion 32.
  • This sliding pinion 32 is actuated by the user by means of a correction rod 33 and causes the date rings 4 and 6 by action on the teeth 12 and 18 of the lower toothing said upper ring 4 and the upper toothing of said lower ring 6.
  • the position of the sliding pinion 32 with respect to the teeth respectively lower and upper ring 4 and lower 6 is such that when one of these rings presents its free position at the display location 30 of the movement of shows, the sliding pinion 32 is in front of the missing tooth, respectively 16 or 24, of the lower toothing of the upper ring 4 or the upper teeth of the lower ring 6.
  • a jumper device 34 comprises two jumpers 36 and 38 which cooperate respectively with the teeth 10, 12 of the upper teeth and lower part of the upper ring 4 and with the teeth 20, 22 of the lower teeth and 6.
  • the jumpers 36 and 38 according to the invention are constantly housed between two teeth immediately successive of one or other of the teeth of a ring given, so that they stay in touch with the same date ring concerned when passing the missing tooth.
  • the date rings 4 and 6 present each a stop, respectively 40 and 42.
  • Figures 4 and 5 show the detail of this arrangement.
  • the stop 40 extends perpendicular to the plane of the ring of upper date 4, while the stop 42 extends radially out of the perimeter outside the lower date ring 6.
  • the date ring upper 4 has its window 8 at the display location 30 and simultaneously its missing teeth 14 and 16 vis-a-vis respectively of the drive wheel 28 and of the sliding pinion 32.
  • the missing teeth 14 and 16 define a rest position of the upper date ring 4, a position in which neither the drive wheel 28 nor the sliding pinion 32 can act on said ring date of upper date 4.
  • the drive wheel 28 therefore drives only the lower date ring 6 which, to achieve the position shown, has been conducted successively in situations where he exhibited the markings "11", "12", ..., "15” and finally "16". At the moment when the marking "16" appears, the stop 42 arrives against the stop 40.
  • the upper ring 4 will be also driven, so that the window 8 will disappear from the display location 30 to make way for the marking "17" of the upper ring 4.
  • the lower ring 6 which will present its missing teeth in front, respectively, of the drive wheel 28 and the sliding pinion 32.
  • the missing teeth 24 and 26 of the lower ring 6 define a rest position of this ring 6, position in which neither the drive wheel 28, neither the sliding pinion 32 can act on said lower date ring 6.
  • the relative displacement of the two calendar rings upper 4 and lower 6 would be the same if they were driven not by the wheel 28, but by the sliding pinion 32 actuated by the user via the rod 33.
  • the two rings 4 and 6 would simply turn faster, allowing the user to quickly correct the indication provided by the mechanism of date.
  • the position of the sliding pinion 32 is such that, when the upper ring 4 has its free position at the display location 30, the sliding pinion 32 is in front of the missing tooth 16 of the toothing lower part of the upper ring 4, whereas when the lower ring 6 presents its free position at the display location 30, the sliding pinion 32 is in front of the missing tooth 24 of the upper toothing of the lower ring 6.
  • the sliding pinion 32 does not come into mesh with the teeth of the date rings that when put into motion by the user by means of of the correction rod 33. During normal operation of the mechanism of date, the sliding pinion 32 occupies a position away from the rings of date 4 and 6.
  • the drive wheel 28 causes the date rings 4 and 6 by means of a finger presenting a certain elasticity, so that when one of the rings 4 or 6 is driven by the sliding pinion 32, the finger is erased in front of the tooth that is passing it and falls into the hollow defined by this tooth and the next tooth.
  • FIG. 7 is an exploded view of the watch movement 1 equipped with the date mechanism according to the invention.
  • This movement 1 includes platinum 2 which supports and rotates the two lower date rings 6 and 4.
  • In the center of the plate 2 is the axis of the wheel 44 hours on which is engaged the hour wheel 46.
  • a bridge 48 carries the device stop 34 with its two jumpers 36 and 38 acting respectively on the upper date ring 4 and the lower date ring 6.
  • the wheel 28 includes a wheel 50 driven, via a mobile gear reducer not shown, by the hour wheel 46 so as to perform a complete turn in twenty-four hours.
  • Two fingers 52 and 54 are fixed, for example by welding, on the wheel 50.
  • the drive wheel 28 is freely mounted on an axis 56 of the bridge 48. even the sliding pinion 32 is mounted on the bridge 48 via an axis 58. Said sliding pinion 32 is connected to the correction rod 33 by a chain kinematic comprising deflection wheels 60 and 62 and a pinion 64. Finally, the date mechanism according to the invention is held axially on the plate 2 to means of a holding plate 66 fixed with screws 68.
  • FIG. 8 is a developed representation of the teeth of the rings of upper 4 and lower 6.
  • the upper date ring 4 has sixteen teeth identified by the numbers 1, 2, ..., 15 and 16, while the lower date ring 6 comprises seventeen teeth identified by the numbers 1, 2, ..., 16 and 17.
  • the upper ring 4 comprises therefore 16 divisions, while the lower ring has 17 divisions.
  • the upper date ring 4 has two serrated teeth whose teeth, designated respectively by 10 and 12, are superimposed, a place 14 of the upper toothing and a location 16 of the lower toothing, each materialized by a circle in solid line, being toothless.
  • the lower date ring 6 also has two teeth staggered teeth, designated respectively by 18 and 20, are staggered place 24 of the upper toothing and a place 26 of the lower toothing, each materialized by a circle in solid line, being toothless.
  • the ring of lower date 6 further comprises additional teeth whose teeth 22 coincide with the teeth 20 of the lower toothing.
  • the position of the drive wheel 28 and that of the sliding gear 32 vis-à-vis the teeth of the upper date ring 4 and lower 6 are identified by line segments A-A and B-B respectively.
  • the two jumpers 36 and 38 are represented by two rectangles with the same references digital. As can be seen from the drawing, the height of the two jumpers 36 and 38 is equal to the thickness of the upper and lower teeth, respectively lower and additional upper date rings 4 and lower 6 with which said jumpers cooperate.
  • the upper date ring 4 presents its two missing teeth 14 and 16 vis-à-vis respectively of the wheel 28 and the sliding pinion 32.
  • This position corresponds to the situation in which the upper ring 4 has its window 8 at the display location 30 of the movement and reveals the figure "16" carried by the lower ring 6.
  • the marking "16” the stop 42 of the lower ring 6 abuts against the stop 40 of the upper ring 4.
  • the upper ring 4 will be also driven. It will then be the lower ring 6 which will present its teeth missing 24 and 26 next to, respectively, the drive wheel 28 and the sliding gear 32, while the missing teeth 14 and 16 of the upper ring 4 will have taken a step forward.
  • the height of the two jumpers 36 and 38 is substantially equal to the thickness of the teeth 10, 12 and 20, 22 so that even when missing teeth, said jumpers are always engaged between two immediately consecutive teeth of the teeth of the upper disks and lower, ensuring proper positioning of these discs.
  • the present invention is not limited to the embodiment which has just been described, and that various modifications and simple variants can be contemplated by those skilled in the art without departing from the scope of the present invention.
  • the upper date ring could have seventeen sectors, while the lower date ring has only sixteen.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP03027146A 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen Expired - Lifetime EP1536299B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP03027146A EP1536299B1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen
DE60332637T DE60332637D1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen
SG200407205A SG112097A1 (en) 2003-11-26 2004-11-12 Timepiece with a date mechanism comprising two superposed date rings
TW093135279A TW200519553A (en) 2003-11-26 2004-11-17 Timepiece with a date mechanism comprising two superposed date rings
US10/992,695 US6925032B2 (en) 2003-11-26 2004-11-22 Timepiece with a date mechanism comprising two superposed date rings
KR1020040096652A KR101067067B1 (ko) 2003-11-26 2004-11-24 중첩된 두개의 날짜 링으로 구성된 날짜 장치를 가진 시계
CN2004100917337A CN1621975B (zh) 2003-11-26 2004-11-25 具有包含两个叠置日历环的日历机构的钟表
JP2004341913A JP4523835B2 (ja) 2003-11-26 2004-11-26 重ね合わされた２つの日付リングを備える日付機構を有する時計
HK05109890.7A HK1077883A1 (en) 2003-11-26 2005-11-07 Timepiece with a date mechanism comprising two superposed date rings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03027146A EP1536299B1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen

Publications (2)

Publication Number Publication Date
EP1536299A1 true EP1536299A1 (de) 2005-06-01
EP1536299B1 EP1536299B1 (de) 2010-05-19

Family

ID=34442880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03027146A Expired - Lifetime EP1536299B1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinanderliegenden Ringen

Country Status (9)

Country Link
US (1) US6925032B2 (de)
EP (1) EP1536299B1 (de)
JP (1) JP4523835B2 (de)
KR (1) KR101067067B1 (de)
CN (1) CN1621975B (de)
DE (1) DE60332637D1 (de)
HK (1) HK1077883A1 (de)
SG (1) SG112097A1 (de)
TW (1) TW200519553A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2141556A1 (de) 2008-07-03 2010-01-06 ETA SA Manufacture Horlogère Suisse Jahreskalendermechanismus für Uhrwerk
EP2434354A1 (de) * 2010-09-27 2012-03-28 ETA SA Manufacture Horlogère Suisse Große Fensteranzeige für Uhr
US12055897B2 (en) 2018-09-26 2024-08-06 Patek Philippe Sa Geneve Display mechanism with a single aperture

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006106787A1 (ja) * 2005-03-30 2006-10-12 Citizen Holdings Co., Ltd. 表示装置および時計のカレンダ装置
US20070047390A1 (en) * 2005-08-29 2007-03-01 Shigeo Suzuki Timepiece with calendar mechanism indicating date by plurality of date indicators
JP2007121077A (ja) * 2005-10-27 2007-05-17 Casio Comput Co Ltd カレンダ機能付き時計、そのカレンダ機能付き時計の組立方法、およびカレンダ機能付き電波時計
FR2893726B1 (fr) * 2005-11-21 2008-01-18 Sylvain Boileau Mecanisme d'affichage du quantieme pour pieces d'horlogerie
DE602006007855D1 (de) * 2006-09-26 2009-08-27 Eta Sa Mft Horlogere Suisse Uhrwerk, das eine Halteplatte für einen Anzeigering umfasst
JP4595977B2 (ja) * 2007-09-20 2010-12-08 カシオ計算機株式会社 文字板および電子機器
US7859950B2 (en) * 2008-08-11 2010-12-28 Blancpain S.A. Large date calendar day mechanism for a timepiece
JP5853504B2 (ja) * 2011-08-31 2016-02-09 セイコーエプソン株式会社 文字板組立体および時計
JP6015207B2 (ja) * 2012-07-31 2016-10-26 カシオ計算機株式会社 情報表示装置、及び、アナログ電子時計
CH709654B1 (fr) * 2014-05-14 2021-03-15 Eta Sa Mft Horlogere Suisse Bascule d'horlogerie et mécanisme de correction rapide comportant une telle bacule.
HK1252182A2 (zh) * 2018-07-06 2019-05-17 Pengelly Co Ltd 有幾何代碼的手錶

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GB957031A (en) * 1962-01-13 1964-05-06 Karl Diehl Dipl Ing Clock with date indicator
DE2036464A1 (de) * 1970-07-22 1972-02-03 Junghans Gmbh Geb Uhr mit Datumsanzeige
CH660941GA3 (en) * 1985-06-11 1987-06-30 Fred Murten Bandi Counting and display device with window, especially for wrist watch or other timepiece calendar, with analogue display
DE19845539A1 (de) * 1998-10-02 2000-04-06 Fortis Ag Grenchen Armbanduhr mit einer Großdatumsanzeige und Verwendung eines Uhrwerks für eine Armbanduhr zur Ausbildung einer Großdatumsanzeige
EP1152303A1 (de) * 2000-05-05 2001-11-07 Montres Rolex Sa Uhr mit Aufzugsmechanismus und mit Korrekturmechanismus für mindestens zwei anzeigende Organe

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CH624534GA3 (de) * 1979-04-04 1981-08-14
CN2064074U (zh) * 1989-08-25 1990-10-17 天津手表厂 手表日历机构
JP3081992B2 (ja) * 1996-10-02 2000-08-28 セイコーインスツルメンツ株式会社 カレンダ付き腕時計
JP3939073B2 (ja) * 2000-03-31 2007-06-27 セイコーインスツル株式会社 カレンダ機構付き時計
TW493113B (en) * 2000-08-23 2002-07-01 Ebauchesfabrik Eta Ag Electronic watch with a large date aperture
SG102647A1 (en) * 2000-12-22 2004-03-26 Ebauchesfabrik Eta Ag Timepiece provided with a date having a large aperture
DE01811165T1 (de) * 2001-11-30 2004-03-11 Rolex Sa Kalendermechanismus für eine Uhr
JP4451634B2 (ja) * 2003-10-31 2010-04-14 シチズンホールディングス株式会社 カレンダー機構

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB957031A (en) * 1962-01-13 1964-05-06 Karl Diehl Dipl Ing Clock with date indicator
DE2036464A1 (de) * 1970-07-22 1972-02-03 Junghans Gmbh Geb Uhr mit Datumsanzeige
CH660941GA3 (en) * 1985-06-11 1987-06-30 Fred Murten Bandi Counting and display device with window, especially for wrist watch or other timepiece calendar, with analogue display
DE19845539A1 (de) * 1998-10-02 2000-04-06 Fortis Ag Grenchen Armbanduhr mit einer Großdatumsanzeige und Verwendung eines Uhrwerks für eine Armbanduhr zur Ausbildung einer Großdatumsanzeige
EP1152303A1 (de) * 2000-05-05 2001-11-07 Montres Rolex Sa Uhr mit Aufzugsmechanismus und mit Korrekturmechanismus für mindestens zwei anzeigende Organe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2141556A1 (de) 2008-07-03 2010-01-06 ETA SA Manufacture Horlogère Suisse Jahreskalendermechanismus für Uhrwerk
US7835229B2 (en) 2008-07-03 2010-11-16 Eta Sa Manufacture Horlogere Suisse Date mechanism for a timepiece
EP2434354A1 (de) * 2010-09-27 2012-03-28 ETA SA Manufacture Horlogère Suisse Große Fensteranzeige für Uhr
US8730767B2 (en) 2010-09-27 2014-05-20 Eta Sa Manufacture Horlogère Suisse Large aperture display for a timepiece
US12055897B2 (en) 2018-09-26 2024-08-06 Patek Philippe Sa Geneve Display mechanism with a single aperture

Also Published As

Publication number Publication date
US6925032B2 (en) 2005-08-02
TW200519553A (en) 2005-06-16
CN1621975A (zh) 2005-06-01
SG112097A1 (en) 2005-06-29
DE60332637D1 (de) 2010-07-01
KR101067067B1 (ko) 2011-09-22
CN1621975B (zh) 2012-11-07
US20050111303A1 (en) 2005-05-26
JP4523835B2 (ja) 2010-08-11
JP2005156562A (ja) 2005-06-16
KR20050050554A (ko) 2005-05-31
HK1077883A1 (en) 2006-02-24
EP1536299B1 (de) 2010-05-19

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