EP0756217A1 - Jährlicher Kalendermechanismus für Uhren - Google Patents

Jährlicher Kalendermechanismus für Uhren Download PDF

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Publication number
EP0756217A1
EP0756217A1 EP96111363A EP96111363A EP0756217A1 EP 0756217 A1 EP0756217 A1 EP 0756217A1 EP 96111363 A EP96111363 A EP 96111363A EP 96111363 A EP96111363 A EP 96111363A EP 0756217 A1 EP0756217 A1 EP 0756217A1
Authority
EP
European Patent Office
Prior art keywords
crown
ring
date
annual
teeth
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
EP96111363A
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English (en)
French (fr)
Other versions
EP0756217B1 (de
Inventor
Frank Vaucher
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.)
Compagnie des Montres Longines Francillon SA
Original Assignee
Compagnie des Montres Longines Francillon 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 Compagnie des Montres Longines Francillon SA filed Critical Compagnie des Montres Longines Francillon SA
Publication of EP0756217A1 publication Critical patent/EP0756217A1/de
Application granted granted Critical
Publication of EP0756217B1 publication Critical patent/EP0756217B1/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
    • G04B19/2536—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

Definitions

  • the invention relates to an annual calendar mechanism for a timepiece, said mechanism comprising a date ring provided with thirty-one teeth internal to the ring, on which are affixed thirty-one digits each corresponding to a date of the months which appear successively through a window pierced in a dial, and a mobile date trainer making a turn in twenty-four hours, said mobile being equipped with a first finger capable of causing one step and once by day the date ring by one of its inner teeth, said mobile controlling the display of the date.
  • a date mechanism which broadly meets the definition just given is known for example from documents CH-A-538 136 and CH-A-661 171 (US-A-4 676 659).
  • these documents there is also a twenty-four hour date driving wheel provided with a finger or a long tooth which drives a date disc bearing thirty-one indications.
  • the finger does not directly drive the disc but an intermediate mobile which, for its part, drives this disc.
  • This is of course an ordinary date mechanism, neither annual nor perpetual. At the end of the thirty-day months and at the end of February, it is then necessary to make a manual correction if one wishes not to lose the date.
  • Document DE-A-2 311 539 describes a date mechanism using a month cam making one turn per year.
  • This cam has more or less notches deep: the solid parts correspond to the months of thirty-one days; the shallow notches in the months of thirty days, and a very deep notch in the month of February of the common years (twenty-eight days).
  • On this cam acts the spout of a lever returned by a spring. The depth of penetration of the spout will determine which advance must be printed on the date indicator by a rocker at the end of each month.
  • a perpetual calendar mechanism comprising relatively few parts is described in patent DE 449 081.
  • Several superimposed coaxial discs respectively showing the days, the date from 1 to 15, the date from 15 to 31, months and years , have respective central openings with teeth, some of which have variable tooth heights. These teeth are attacked by two pawls carried by a mobile coach which pivots back and forth.
  • One of the pawls has a flexible bent end which, by pressing against a height-adjustable toothing which acts as a cam, attacks or does not attack the second date disc in the last days of the month.
  • the month disc carries a sliding spring which drives the first date disc to reset it when the month changes.
  • this mechanism is thick, delicate and has not spread. In addition, it requires back-and-forth drive, which requires an additional mechanism in a timepiece.
  • the present invention proposes to use only gears to the exclusion of all levers or rockers, these gears, on the one hand, being prevented from any untimely rotation even if shocks are applied to the timepiece and, on the other hand, having a clearly simplified construction and reduced height, all the more so since the date of the invention is limited to the automatic advance of the date only for the months of thirty days , the resetting must be done manually at the end of February. It is therefore an annual calendar and not perpetual.
  • the annual calendar mechanism comprises a date driving wheel fitted with a finger. likely to drive a date wheel at the end of each day.
  • An annual wheel, driven once a month by two steps by a long tooth carried by an intermediate wheel meshing itself on the date wheel, comprises a board carrying five teeth each corresponding to one of the months of less than thirty-one days . When one of these five teeth appears on the path of the finger, the annual wheel, as it was, becomes driving and drives the date wheel by an additional step via the intermediate wheel.
  • the present invention is remarkable in that, starting from the known characteristics defined in the first paragraph of this description, the mechanism further comprises an annual crown superimposed on the date ring, making a turn in one year and provided with external teeth in positions corresponding to the twelve months of the year and five internal teeth in positions corresponding to months less than thirty-one days, said crown being arranged eccentrically relative to the ring and close to the date-driven mobile so that it is actuated, at the end of the months of less than thirty-one days, by a second finger presented by the date-moving mobile, this second finger acting on one of the five inner teeth of the crown, meshing means integral with the date ring being used to put be engaged, at the end of each month, said date ring with said annual crown by at least one of its outer teeth.
  • the result is a mechanism in which all the mobiles are rotary and there are only three of them, namely the driving mobile, the date ring and the annual crown. These mobiles can be arranged in only two levels, that of the date ring and that of the annual crown passing above or below it. It is therefore possible to make the calendar mechanism in the form of a thin module, which can be superimposed on an ordinary watch movement.
  • the eccentric arrangement of the annual crown offers, if this crown bears indications of the months, a great freedom of choice of the position of the aperture where these indications appear, in particular at different distances from the center of the watch movement and the dial.
  • the crown can be arranged eccentrically with respect to this center and be large enough to pass around it, i.e. around the needle trees of a conventional analog display.
  • FIG. 1 shows a watch fitted, apart from the hour hands 70, minutes 71 and seconds 72, with a date indicator in the form of a date 3 appearing through a aperture 4 pierced in a dial 5.
  • the time setting can be carried out by means of the crown 61. If we now remove this watch from its dial and only the elements useful for carrying out the invention are kept , we arrive at the plan views of Figures 2, 3 and 4 which show the mechanism in question at three different times during the transition from April to May.
  • FIG. 2 Examination of FIG. 2 and of the section of FIG. 5 in particular will make one understand the annual calendar mechanism according to the invention.
  • This mechanism has a ring date 1 with thirty-one teeth 2. Thirty-one numbers 3 are affixed to ring 1, each corresponding to a date in the month. These figures appear successively through the aperture 4 pierced in the dial 5 shown in FIG. 1.
  • a mobile date trainer generally designated by the reference 6, is equipped with a first finger 7 capable of causing a step and once a day the date ring 1 by one of its internal teeth 2. In the particular case shown in FIG. 2, the first finger 7 has just come into contact with the tooth 2a and will therefore advance the ring 1 with a pitch from 30 to 31 as is finally shown in FIG. 3.
  • the driving mobile 6 comprises a driving wheel 21 which connects this mobile to the watch movement (not shown here) and makes a tour in twenty-four hours.
  • the section in FIG. 5 shows that the first finger 7 of the driving mobile 6 is on the path of the tooth 2a belonging to the date ring 1.
  • the finger 7 is a protrusion of a disc 22 forced on a shaft 23, the driving wheel 21 being integral with the same shaft 23.
  • the shaft 23 can rotate freely in a bearing 25 set in the plate 17 of the timepiece.
  • the mechanism according to the invention comprises an annual crown 8 having an annular shape, as drawn in FIGS. 2 to 6.
  • This crown is superimposed on the date ring 1 and go around in a year.
  • the crown 8 is provided with twenty-four teeth 9 uniformly distributed around its outer periphery, these teeth 9 corresponding in pairs to the twelve months of the year, and five teeth 10 around its inner periphery, these teeth 10 each corresponding to the months of less than thirty-one days.
  • FIGS. 2 to 4 show that the annual crown 8 is arranged eccentrically with respect to the date ring 1.
  • the second finger 11 comes from come into contact with tooth 10a of crown 8 and will advance by one step (a twenty-fourth turn or 15 °) said crown from IV to V as shown in Figure 4.
  • the second finger 11 of the mobile 6 is a projection of a disc 26 forced on the shaft 23, the disc 26 surmounting the disc 22 already described and being separated from the latter by a spacer 27.
  • the section in FIG. 5 clearly shows that the second finger 11 of the mobile e trainer 6 is on the path of tooth 10a belonging to the annual crown 8. It will however be noted that finger 11 could be carried by the same disc 22 as finger 7, so that the elements 26 and 27 could be removed .
  • FIGS. 2 to 4 finally show that meshing means 12, 13 integral with the date ring 1 are used to engage or couple, to the end of each month, said date ring 1 and said annual crown 8 by one of its twenty-four external teeth 9.
  • the aforementioned engagement means could consist of a single pin planted at the periphery of the date ring 1, or a part cut and folded from the edge of this ring, this pin or folded part engaging in twelve slots arranged at the periphery of the annual crown, these slots being separated by solid parts acting as teeth.
  • the respective diameters of the ring 1 and of the crown 8 are chosen so that at each change of month, the crown 8 is driven two twenty-fourths of a turn (30 °) by the date ring 1.
  • the internal diameter of the crown 8 will be chosen so that the internal teeth 10 cooperate with the second finger 11 while also allowing cooperation of the first finger 7 with the teeth 2 of the date ring 1.
  • Figures 2 to 5 also show that the annual crown 8 pivots around a guide disc 16 fixed on the plate 17 by means of two screws 28 and 29 (see Figures 2 to 4). These same figures also show that a first jumper 18 is supported between two successive teeth 2 of the date ring 1 and that a second jumper 19 is supported between two successive outer teeth 9 of the annual crown 8. These jumpers allow angularly position the ring 1 and the crown 8 when stationary. It is because of the jumper 19 that the crown 8 has twenty-four external teeth 9, to define its twenty-four successive positions, while twelve teeth would be sufficient to cooperate with the pins 12 and 13.
  • FIG. 2 also shows that it is possible to provide a rapid month corrector 40 which preferably has two teeth attacking the outer teeth 9 of the annual crown 8, to make it move back two steps per revolution of the corrector 40.
  • a rapid month corrector 40 which preferably has two teeth attacking the outer teeth 9 of the annual crown 8, to make it move back two steps per revolution of the corrector 40.
  • the rotation of the latter in a first direction actuates the corrector 40, and in the other direction it actuates the corrector 20.
  • Such correction mechanisms are well known in principle and do not need not be described here.
  • the guide disc 16 can be replaced by a fixed guide ring 32 (a fragment of which is shown in broken lines in Figure 2) which surrounds and guides the periphery of the annual crown 8, for example by partially covering the teeth 9.
  • a fixed guide ring 32 (a fragment of which is shown in broken lines in Figure 2) which surrounds and guides the periphery of the annual crown 8, for example by partially covering the teeth 9.
  • This variant makes it possible to replace the screws 28 and 29, located inside the timepiece movement, by screws or other fixing members located at the periphery of this movement and of the date mechanism. This facilitates the application of the mechanism according to the invention in the form of a separate module which can be mounted without difficulty on different clock movements, in particular having different plates.
  • the annular and eccentric annual crown 8 can be large enough to extend around the axis of rotation 33 (fig. 5) of the date ring 1, therefore also around the central shafts 34, 35 and 36 carrying the seconds, minutes and hours hands in a classic timepiece, as shown in the drawings .
  • the crown 8 may be wide enough to bear the names of the months in whole or in abbreviation.
  • the finger 11 can be on a radius smaller than that of the finger 10.
  • Another possibility of indicating the month consists in affixing on the annual crown 8 an index, for example colored, which is visible through a discontinuous circular slot or a circular row of openings made in the dial above the crown, the names or numbers of the months then being written on the dial.
  • This display device that can be off-center on the dial offers interesting decorative and aesthetic possibilities.
  • FIGS. 2, 3 and 4 The passage from the 30 to the first day of the following month in the case of a month of less than thirty-one days is illustrated in FIGS. 2, 3 and 4.
  • the mechanism has been shown as it appears on April 30 (month of thirty days) when its hour hand 70 and minute 71 indicate 23 hours 45 minutes.
  • the date displayed is 30 and the month displayed is the first indication IV (April).
  • the pins 12 and 13 of the ring 1 are almost engaged between the teeth 9a and 9b of the crown 8.
  • the first finger 7 of the driving mobile 6 comes into contact with the tooth 2a of the ring 1.
  • FIG. 3 we see the same mechanism when the 70 hour and 71 minute hands indicate 0 hours 15 minutes on May 1st.
  • the first finger 7 of the mobile 6 has driven by a step, through the tooth 2a, the date ring 1 which then displays the date 31 (temporarily).
  • the crown 8 has been advanced by one step by the pin 12 acting on the tooth 9b, this crown displaying the second IV (temporarily).
  • the second finger 11 of the mobile 6 comes into contact with the tooth 10a of the crown 8.
  • FIG. 4 the same mechanism is seen when the hour hands 70 and minutes 71 indicate 4 hours 0 minutes on May 1.
  • the crown 8 has been driven by one step by the second finger 11 of the mobile 6 and now displays the first indication V ( May).
  • This same crown, as it is normally driven by the ring 1, has become leading under the action of the finger 11 and then carries, by its tooth 9a, the date ring 1 by the pin 13.
  • the ring 1 displays, at the end of the race, the number 1. Once this phase is complete, the pins 12 and 13 are disengaged from the teeth 9a and 9b and the ring 1 can continue its rotation day after day. In order not to mislead the wearer of the watch, the second indication of months of less than thirty-one days (i.e. II, IV, VI, IX and XI) could be replaced by a colored dot or an empty space.
  • the annual crown 8 displays the month of May, ie the first digit V as illustrated in figure 4.
  • the date ring jumps to 31 (under the effect of the first finger 7) and advances the crown 8 by one step, which then displays the second V (under the pin effect 12).
  • the date ring jumps to June 1 under the effect of the finger 7 and advances crown 8 a new step, which then displays the first VI (June) under the effect of pin 12.
  • FIG. 6 is a partial resumption of FIG. 2. It shows the annual crown 8 in its entirety and partially the date ring 1 as well as the movable date trainer 6. It can be seen that the inner teeth 10 of the crown 8 are arranged around the inner periphery of said crown successively at 60 °, 60 °, 90 °, 60 ° and 90 °. If these teeth 10, which represent the months of February, April, June, September and November, are on the way to the second finger 11 of the mobile 6, the date will pass, at the end of these months quickly from 30 to 31, then from the 31st to the 1st of the following month, as explained above.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP96111363A 1995-07-28 1996-07-15 Jährlicher Kalendermechanismus für Uhren Expired - Lifetime EP0756217B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2214/95 1995-07-28
CH02214/95A CH688706B5 (fr) 1995-07-28 1995-07-28 Mécanisme de quantième annuel pour pièce d'horlogerie.

Publications (2)

Publication Number Publication Date
EP0756217A1 true EP0756217A1 (de) 1997-01-29
EP0756217B1 EP0756217B1 (de) 1999-06-02

Family

ID=4228531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111363A Expired - Lifetime EP0756217B1 (de) 1995-07-28 1996-07-15 Jährlicher Kalendermechanismus für Uhren

Country Status (8)

Country Link
US (1) US5699321A (de)
EP (1) EP0756217B1 (de)
JP (1) JP3902269B2 (de)
CN (1) CN1124525C (de)
CH (1) CH688706B5 (de)
DE (1) DE69602688T2 (de)
HK (1) HK1012730A1 (de)
SG (1) SG49970A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0987609A1 (de) * 1998-09-14 2000-03-22 Frédéric Piguet S.A. Jährlicher Kalendermechanismus für Uhrwerk
US6108278A (en) * 1998-09-11 2000-08-22 Frederic Piguet S.A. Annual calendar mechanism for clockwork movement
EP2428855A1 (de) * 2010-09-08 2012-03-14 Rolex S.A. Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6088302A (en) * 1997-04-25 2000-07-11 Seiko Instruments Inc. Electronic timepiece
US6582118B1 (en) * 1997-04-25 2003-06-24 Seiko Instruments Inc. Electronic timepiece having transmission wheel rotational position detecting apparatus
CH692538A5 (fr) * 1998-11-03 2002-07-15 Mct Holding Sa Mécanisme de quantième annuel.
SG96702A1 (en) * 2001-11-13 2003-06-16 Glashuetter Uhrenbetrieb Gmbh Device for winding and setting the time of a timepiece such as a date-watch including a date disc
DE60232054D1 (de) * 2002-02-11 2009-06-04 Rolex Sa Jährlicher Kalendermechanismus für Uhrwerk
EP1349020A1 (de) * 2002-03-28 2003-10-01 Manufacture Roger Dubuis S.A. Uhr mit Kalender
US20050007886A1 (en) * 2003-07-07 2005-01-13 Mazzetti Michael J. Analog timepiece with a plurality of digital display functions
CH697662B1 (fr) * 2004-04-14 2009-01-15 Chopard Manufacture Sa Mécanisme de quantième perpétuel ou annuel.
DE602005001798T8 (de) * 2004-05-14 2008-08-28 Rolex Sa Jährlicher Kalendermechanismus für Uhrwerk
JP4770151B2 (ja) * 2004-10-21 2011-09-14 セイコーエプソン株式会社 暦表示機能付時計
EP1666991B1 (de) * 2004-12-02 2011-06-01 ETA SA Manufacture Horlogère Suisse Jährlicher Kalendermechanismus für eine Uhr
EP1785783B1 (de) * 2005-11-11 2011-10-12 Omega SA Jahreskalendermechanismus für Uhrwerk
EP1795977A1 (de) * 2005-12-09 2007-06-13 Glashütter Uhrenbetrieb GmbH Antriebsmechanismus einer Kalenderanzeige für eine Uhr
EP1868047A1 (de) * 2006-06-12 2007-12-19 Vaucher Manufacture Fleurier SA Uhr mit einem Kalendarmechanismus
DE602006004357D1 (de) * 2006-10-24 2009-01-29 Eta Sa Mft Horlogere Suisse Jahreskalendermechanismus für Uhrwerk
EP2000864A1 (de) * 2007-06-04 2008-12-10 Omega SA Vorrichtung zur Korrektur eines Anzeigemechanismus für eine 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
EP2479622B1 (de) * 2011-01-24 2013-11-20 ETA SA Manufacture Horlogère Suisse Jahreskalendervorrichtung für Uhrwerk
EP2490084B1 (de) * 2011-02-17 2016-07-20 Glashütter Uhrenbetrieb GmbH Datumsmechanismus
CH705737B1 (fr) * 2011-11-11 2015-12-31 Gfpi S A Mécanisme d'entraînement d'un indicateur d'une information liée à un mouvement horloger.
JP6091942B2 (ja) * 2012-08-01 2017-03-08 セイコーインスツル株式会社 カレンダ機構並びに該機構を備えたムーブメント及びカレンダ時計
US9612577B2 (en) 2013-04-22 2017-04-04 Donald J. Lecher Device displaying a series of sequential timekeeping periods
US9459590B1 (en) 2013-04-22 2016-10-04 Donald J. Lecher Methods and devices using a series of sequential timekeeping periods
CH716983A1 (fr) * 2019-12-20 2021-06-30 Mft Dhorlogerie Audemars Piguet Sa Mécanisme horloger destiné à être entraîné suivant un nombre de pas variable.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE449081C (de) * 1925-02-20 1927-09-08 Kurt Kluge Einstellbarer Kalender
FR1015546A (fr) * 1948-03-03 1952-10-14 Nl Uurwerkfabrieken Nufa N V Montre-, horloge-, ou pendulette-calendrier
DE2311539A1 (de) * 1972-04-05 1973-10-11 Suisse Horlogerie Kalendermechanismus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE449081C (de) * 1925-02-20 1927-09-08 Kurt Kluge Einstellbarer Kalender
FR1015546A (fr) * 1948-03-03 1952-10-14 Nl Uurwerkfabrieken Nufa N V Montre-, horloge-, ou pendulette-calendrier
DE2311539A1 (de) * 1972-04-05 1973-10-11 Suisse Horlogerie Kalendermechanismus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108278A (en) * 1998-09-11 2000-08-22 Frederic Piguet S.A. Annual calendar mechanism for clockwork movement
EP0987609A1 (de) * 1998-09-14 2000-03-22 Frédéric Piguet S.A. Jährlicher Kalendermechanismus für Uhrwerk
EP2428855A1 (de) * 2010-09-08 2012-03-14 Rolex S.A. Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst
US8760975B2 (en) 2010-09-08 2014-06-24 Rolex S.A. Timepiece furnished with a device for displaying determined time periods

Also Published As

Publication number Publication date
JP3902269B2 (ja) 2007-04-04
CN1124525C (zh) 2003-10-15
JPH09105783A (ja) 1997-04-22
EP0756217B1 (de) 1999-06-02
DE69602688T2 (de) 1999-12-30
CN1146021A (zh) 1997-03-26
DE69602688D1 (de) 1999-07-08
US5699321A (en) 1997-12-16
CH688706GA3 (fr) 1998-01-30
HK1012730A1 (en) 1999-08-06
CH688706B5 (fr) 1998-07-31
SG49970A1 (en) 1998-06-15

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