EP0052070B1 - Armbanduhr mit einem Dauerkalendermechanismus - Google Patents

Armbanduhr mit einem Dauerkalendermechanismus Download PDF

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Publication number
EP0052070B1
EP0052070B1 EP81810429A EP81810429A EP0052070B1 EP 0052070 B1 EP0052070 B1 EP 0052070B1 EP 81810429 A EP81810429 A EP 81810429A EP 81810429 A EP81810429 A EP 81810429A EP 0052070 B1 EP0052070 B1 EP 0052070B1
Authority
EP
European Patent Office
Prior art keywords
disc
cam
date
years
months
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP81810429A
Other languages
English (en)
French (fr)
Other versions
EP0052070A1 (de
Inventor
Michel Groothuis
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 EP0052070A1 publication Critical patent/EP0052070A1/de
Application granted granted Critical
Publication of EP0052070B1 publication Critical patent/EP0052070B1/de
Expired 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
    • 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
    • G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches
    • G04B19/25313—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches driven or released by a steady movement
    • G04B19/2532—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches driven or released by a steady movement automatically corrected at the end of mounths having less than 31 days

Definitions

  • the present invention relates to a watch with a perpetual calendar mechanism comprising a date disc, means for advancing said disc, means driven at the end of the month by the date disc and acting on said advancing means to determine the size. of the displacement of said date disc, a first cam known as months with annual rotation, and a second cam known as years carrying out a crazy in four years.
  • the mechanism uses a rocking control principle of the Longines date disc described in patent CH-A-621,665 and published application CH-A-624,533 G.
  • the particularity of this mechanism is that it allows a change of fast date and in both directions of rotation of the hour hand, such as when changing time zones around midnight.
  • the leap year correction mechanism comprises according to figs. 1 and 2 a wheel L with four teeth driven at a rate of 1/4 turn per year, from 31.12 to 1.1, by a pin b 3 of the wheel of months B.
  • this wheel L doesn ' has no effect.
  • its increased diameter exceeds in the February notch b 2 of the wheel B, which prevents the advancement lever H from going down to the normal depth of the notch b 2. This therefore limits the drive of the wheel B by the lever H.
  • the mechanism is not symmetrical, so that it operates only in the normal direction of advance of the hands of the timepiece.
  • the object of the invention is a watch with a perpetual calendar mechanism allowing corrections of the date, month and year easy and quick to execute.
  • the watch according to the invention is characterized in that said means acting on said advancement means comprise said first cam known as months which comprises fingers of different widths to determine different durations of action of said means d advancement and said second cam known as years which comprises fingers juxtaposing with said fingers of the first cam so as to determine said durations of action of the means for advancing the date disc according to the months of 28, 29, 30 or 31 days.
  • the mechanism of fig. 1 includes a rocker 1 carrying a pinion 2 which performs a turn in 4 hours and which is secured to a mobile 3 to 4 pins 3a.
  • the pinion 2 is driven by a wheel 4 performing 1 revolution in 24 h wearing a finger 5 coming to work once a day, around 24 h, with a boss 6 of the rocker 1.
  • the scale 1 includes a lug 9 which works with a cam for the months 17, coaxial with the wheel 4 of 24 h and comprising 48 steps at its periphery, corresponding to 12 times 4 steps ( 28-29, 29-30, 30-31, 31-1 of each month).
  • This cam 17 is integral with a wheel 11 of 48 teeth driven tooth by tooth by a pinion 12 of 8 wings fixed on a star 13 of 8 teeth.
  • This star 13 is itself driven by four pins or lugs 14 fixed under the calendar disc 8, the pitch between two successive pins being 1/31 of a turn, or 1 pin per day for the days 29-30-31- 1.
  • the cam 17 moves one step.
  • a tooth 7 of the disc 8 is driven each day by a lug 3a of the mobile 3 when the rocker 1 is controlled by the action of the finger 5 on the boss 6.
  • the cam 17, at 48 not, is not trained.
  • the step corresponding to day 1 is positioned in front of the lug 9 of the rocker 1.
  • the lug 9 is not hampered so that the return movement of the rocker is done normally.
  • the cam 17 is not driven.
  • the first pin 14 of the disc 8 is located in front of a tooth of the star 13.
  • the second pin 14 drives a new tooth of the star 13 and the cam 17 advances again one step. If the 30 must be displayed (every month except February) the lug 9 is not hampered by the cam 17.
  • the third pin 14 drives a new tooth of the star 13 and the cam 17 advances a new step. If the 31 must be displayed (January, March, May, July, August, October and December) the pin 9 is not hampered by the cam 17.
  • the lug 9 is hampered by one of the fingers 17a of the cam 17.
  • the rocker 1 is prevented from withdrawing under the action of the spring 16, and this despite the fact that the finger 5 is released from the boss 6 of the lever 1.
  • the pinion 2 and its lugs 3a therefore remain in engagement with the teeth 7 of the calendar disc 8, so that one hour after the jump from 30 to 31 (1/4 turn of pinion 2), a new lug 3a drives a new tooth 7 of the disc 8.
  • the 4th pin 14 drives a new star tooth 13 advancing the cam 17 a new step, which displays the 1 of the next month.
  • the mechanism described above can make it possible to produce a semi-perpetual calendar, provided that the cam for the months 17 has a finger 17b of obstruction of the lug 9 of sufficient width to allow each year the passage from February 28 to 1 March, a displacement of four steps from the date disc 8.
  • the finger should therefore have a width corresponding to four steps from the calendar disc.
  • Such a device does not however make it possible to produce a perpetual calendar, which is the subject of the invention, so that, for reasons which will become apparent below, the finger 17b of the cam 17 of FIG. 1 actually has a width corresponding to three steps of the displacement of the calendar disc.
  • the novelty consists in including a device programming every four years a end of February with 3 jumps (29-30, 30-31, 31-1), the 29 being displayed normally while the other three years, the program at the end of February orders four jumps (28-29, 29-30, 30-31, 31-1) from calendar disc 8.
  • a cam from the 20s coaxial with the cam from the 17 months, and comprising three fingers 21 arranged so as to leave between them angular spaces of 90 °, 90 ° and 180 ° makes a revolution in 4 years, thanks to a wheel 22 (of the same diameter as the wheel 11) coaxial with the cam of the 20s and carrying 48 teeth.
  • the cam 20 is integral with the wheel 22.
  • This wheel 22 is driven by 2 teeth 23, adjacent, integral and coaxial with the star 13 and the pinion 12. It has been shown above that the star 13 rotates at the rate of 4 teeth per month, i.e. 1 full turn in 2 months.
  • the 2 teeth 23 therefore drive 2 teeth of the wheel 22 every two months.
  • the cam 20, integral with the wheel 22, therefore performs 1 revolution every 4 years.
  • the three fingers 21 of the cam 20 are similar to those 17a of the month cam 17 of FIG. 1. They also perform the same functions, that is to say that when the program requires it, they impede the movement of the lug 9 of the rocker 1, and consequently the return movement of this last.
  • the month cam 17 has for the month of February a finger 17b whose width corresponds to three steps of displacement of the calendar disc 8.
  • the fourth step necessary for the years normal where February has 28 days, is obtained by one of the teeth 21 of the cam of the 20s coming to be juxtaposed at the end of February with the finger 17b of the cam of the months 17 in order to present to the lug 9 a corresponding width of drag four steps away from rapid movement of the calendar disc.
  • the finger 21 of the cam 20 therefore covers one step and the finger 17b of the cam 17 three steps, ie a total of four steps (4 / 48th turn) for the passage from February 28 to March 1 of each normal year. For the leap year when February 29 must be displayed, the finger 21 does not exist on the cam 20, which allows the normal display of the number 29 before making the rapid transition to March 1.
  • FIGS. 1 and 2 An examination of FIGS. 1 and 2 shows that the mechanism has symmetry at the level of actuation of the rocker 1 by the finger 5 of the 24-hour wheel acting on the boss 6. There is also a symmetry of the movement of the calendar disc 8 by the pins 3a of the mobile 3 and a third symmetry in the actuation of the star 13 by the pins 14 of the calendar disc. Consequently, the mechanism operates indifferently in the two directions of rotation of the hands, and more particularly in the two directions of rotation of the hour hand, during a change of time zone. Specifically, all time zone changes made during the three-hour period (time during which the display successively indicates 29, 30 and 31) required to change the display from February 28 to March 1 of each normal year simply move the date display forward or backward according to the direction of rotation of the hour hand.
  • the above is an important and fundamental characteristic of the perpetual calendar mechanism according to the invention:
  • the mechanism is perfectly symmetrical with respect to the direction of rotation of the hands.
  • Figs. 2 and 3 show sections through the mechanism of FIG. 1. Their purpose is to facilitate understanding of the date, month and year setting, for example when changing the battery in an electronic watch.
  • the plate or the bridge 24 comprises a pivoting tube 25 on or in which all the coaxial mobiles of the system rotate, that is: the 24-hour wheel 4 secured to the finger 5 and the cam of the 20s on which is fixed the drive wheel 22 to 48 teeth.
  • This cam 20 has a barrel 20a pivoting in the tube 25 and supporting a display disc 26 on which the 4 years (3 normal, 1 leap) of the cycle are indicated.
  • the month cam 17 carrying the wheel 11 of 48 teeth has a barrel 18 also pivoting about the axis of the tube 25.
  • This barrel supports a display disc for the months 27 on which the 12 months of the year are indicated.
  • a screw 28 screwed into the barrel 18 ensures assembly of the whole on the tube 25.
  • the wheel 11 of the months meshes with the pinion 12 to 8 wings, itself integral with the pinion carrying the 2 teeth 23 which meshes with the wheel 22 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (8)

1. Uhr mit einem ewigen Kalendermechanismus, der eine Datumscheibe (8), Mittel zum Fortschalten (1, 3, 4) der Datumscheibe, Mittel (13, 12, 23,17, 20), welche bei Monatsende durch die Datumscheibe angetrieben sind und auf die Mittel zum Fortschalten wirken, um die Grösse der Verscheibung der Datumscheibe zu bestimmen, eine erste Monats-Nockenscheibe (17), welche eine Drehung pro Jahr ausführt, und eine zweite Jahres-Nockenscheibe (20), welche eine Drehung in vier Jahren ausführt, aufweist, dadurch gekennzeichnet, dass die Mittel, welche auf die Mittel zum Fortschalten wirken, die erste Monats-Nockenscheibe (17), welche Finger (17a, 17b) verscheidener Breiten aufweist, um verschiedene Wirkungsdauer der Mittel zum Fortschalten (1, 3, 4) zu bestimmen, und die zweite Jahres-Nockenscheibe (20), welche Finger (21 ), die bezüglich der Finger der ersten Nockenscheibe so angeordnet sind, dass die Wirkungsdauer der Mittel zum Fortschalten der Datumscheibe gemäss den Monaten von 28, 29, 30 oder 31 Tagen bestimmen werden, umfassen.
2. Uhr gemäss Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Fortschalten eine Wippe (1) mit einem Sporn (9) aufweisen, wobei die Stellung der Wippe das Fortschalten der Datumscheibe bestimmt, dass die Mittel, welche auf die Mittel zum Fortschalten wirken, ein Getriebe (13) aufweisen, das die Drehung der ersten und zweiten Nockenscheibe (17, 20) steuert, und dass die Datumscheibe (8) Stifte (14) aufweist, die jeden Monat das Getriebe (13) antreiben, wobei die Finger (17a, 17b, 21) als Anschlag für den Sporn (9) dienen, um die Wirkung der Mittel zum Fortschalten am Ende des Monates auf die Datumscheibe verlängern, wobei einer der Finger (17b) der ersten Nockenscheibe mit einem Finger (21) der zweiten Nockenscheibe zusammenwirkt, um die Anzahl Schritte zu bestimmen, welche für die Verschiebung der Datumscheibe am Ende des Monates Februar der normalen Jahre notwendig sind, und wobei der genannte Finger (21) für die Schaltjahre nicht vorhanden ist.
3. Uhr gemäss Anspruch 2, dadurch gekennzeichnet, dass das Getriebe (13) Mittel zum Antreiben (23) der Monats-Nockenscheibe (17) in einem gegebenen Verhältnis zur Jahres-Nockenscheibe (20) aufweist.
4. Uhr gemäss Anspruch 3, dadurch gekennzeichnet, dass die genannten Mittel ein Ritzel (23) mit einer teilweise abgestumpften Zahnung sind, wobei der Trieb koaxial zum Getriebe (13) und fest mit dem Getriebe verbunden ist, wobei das Ritzel ein Getriebe (22) antreibt, das fest mit der Jahres-Nockenscheibe (20) verbunden ist.
5. Uhr gemäss Anspruch 1, dadurch gekennzeichnet, dass die Monats-Nockenscheibe (17) und die Jahres-Nockenscheibe (20) Anzeigemittel (27, 26) für ihre Stellung aufweisen, und dass die Monats-Nockenscheibe (17) manuell durch mindestens einen Teil der genannten Mittel (27) vorwärts oder rückwärts in Drehung versetzt werden kann, um den Kalender auf das gewünschte Datum zu stellen, wobei die Monats-Nockenscheibe und die Jahres-Nockenscheibe durch einen Trieb (13) in Drehverbindung stehen, der sie eine Drehung bzw. eine Vierteldrehung pro Jahr ausführen lässt.
6. Uhr gemäss Anspruch 5, dadurch gekennzeichnet, dass die Anzeigemittel Jahres-Scheiben (26) und Monats-Scheiben (27) sind, wobei diese Scheiben mit der Jahres-Nokkenscheibe (20) bzw. der Monats-Nockenscheibe (17) durch Rohre (20a, 18) unmittelbar verbunden sind, wobei die Scheiben auf gegenüberliegenden Seiten des Mechanismus angeordnet sind, und die Monats-Scheibe (17) manuell zugänglich ist, wenn der Boden des Uhrgehäuses entfernt ist, um auf das Datum, den Monat und das Jahr des Mechanismus zu stellen.
7. Uhr gemäss Anspruch 1, bei welcher die Mittel zum Fortschalten (1, 3, 4) der Datumscheibe (8) durch den Stundenzeiger beim Wechsel einer Zeitzone gesteuert werden können, dadurch gekennzeichnet, dass die genannten Mittel die Verschiebung der Scheibe für beide Drehrichtungen des Stundenzeigers erlauben, auch bei Monatsende beim Uebergang von einem Monat mit 28, 29 oder 30 Tagen zum nächsten Monat.
8. Uhr gemäss Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Fortschalten einen Trieb (3) mit vier Spornen (3a) aufweisen, der eine Drehung in maximal vier Stunden ausführt, so dass die Datumscheibe (8) durch den Stundenzeiger kontinuierlich angetrieben wird, wenn der genannten Zeiger beim Wechsel der Zeitzonen in Gang gesetzt wird.
EP81810429A 1980-11-07 1981-10-29 Armbanduhr mit einem Dauerkalendermechanismus Expired EP0052070B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH827280A CH642809B (fr) 1980-11-07 1980-11-07 Montre avec un mecanisme de quantieme perpetuel.
CH8272/80 1980-11-07

Publications (2)

Publication Number Publication Date
EP0052070A1 EP0052070A1 (de) 1982-05-19
EP0052070B1 true EP0052070B1 (de) 1985-02-13

Family

ID=4337791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81810429A Expired EP0052070B1 (de) 1980-11-07 1981-10-29 Armbanduhr mit einem Dauerkalendermechanismus

Country Status (5)

Country Link
US (1) US4427300A (de)
EP (1) EP0052070B1 (de)
JP (1) JPS57108783A (de)
CH (1) CH642809B (de)
DE (1) DE3168952D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH649433GA3 (de) * 1983-08-30 1985-05-31
CH658188A5 (de) * 1984-03-23 1986-10-31 Ciba Geigy Ag Lagerstabile schnellzerfallende pharmazeutische presslinge.
US4852030A (en) * 1984-09-24 1989-07-25 Westinghouse Electric Corp. Time-of-use-meter with a calendar of cyclic events
CH672222B5 (de) * 1987-11-11 1990-05-15 Rolex Montres
US5689476A (en) * 1995-05-16 1997-11-18 Leach; Terrence T. Telephone cost monitor
ES2149058B1 (es) * 1996-11-27 2001-05-01 Dolcet Cavero Antoni Mecanismo de calendario perpetuo
US7027361B2 (en) * 2003-11-18 2006-04-11 Timex Group B.V. Perpetual calendar for a timepiece
ATE337574T1 (de) * 2004-06-28 2006-09-15 Grisogono S A De Vorrichtung zur grossdatumsanzeige
DE102005014328B3 (de) * 2005-03-24 2006-07-20 Lange Uhren Gmbh Datumschaltung
EP2565729B1 (de) 2011-08-30 2018-01-31 Breitling AG Kalendermechanismus
CH711749A1 (fr) * 2015-11-13 2017-05-15 Gfpi Sa Mécanisme de calendrier pour pièce d'horlogerie.
EP3173878B1 (de) * 2015-11-26 2021-05-26 Rolex Sa Kalendersystem für uhr
EP3193217A1 (de) * 2016-01-18 2017-07-19 ETA SA Manufacture Horlogère Suisse Uhrwerk, das eine analoganzeige umfasst
EP3671366B1 (de) * 2018-12-21 2022-04-20 ETA SA Manufacture Horlogère Suisse Vorrichtung zur anzeige einer folge von periodischen ereignissen, die einen jahreszyklus bilden, und eine solche anzeigevorrichtung umfassende uhr
EP4325303B1 (de) * 2022-08-16 2024-12-25 Manufacture d'Horlogerie Audemars Piguet SA Mechanismus eines immerwährenden kalenders mit konzentrischen nocken

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US387005A (en) * 1888-07-31 nilson
US527386A (en) * 1893-10-12 1894-10-09 Calendar-clock
US2470692A (en) 1946-02-13 1949-05-17 Farr Ivor A Court Perpetual calendar
CH318902A (fr) * 1954-02-05 1957-01-31 Bringolf John Pièce d'horlogerie à calendrier
JPS5517353B1 (de) 1970-03-11 1980-05-10
CH552845A (de) 1971-11-26 1974-08-15
CH494772A4 (de) * 1972-04-05 1975-09-15
CH583433B5 (de) 1973-08-09 1976-12-31 Ebauchesfabrik Eta Ag
CH621665GA3 (de) 1977-05-27 1981-02-27
JPS5474465A (en) 1977-11-26 1979-06-14 Citizen Watch Co Ltd Month correcting mechanism for calendar watch
CH624533GA3 (en) * 1979-05-02 1981-08-14 Watch with analog display of the time and calendar

Also Published As

Publication number Publication date
CH642809GA3 (de) 1984-05-15
US4427300A (en) 1984-01-24
DE3168952D1 (en) 1985-03-28
JPS57108783A (en) 1982-07-06
CH642809B (fr)
EP0052070A1 (de) 1982-05-19

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