EP3040787B1 - Mécanisme de calendrier d'horlogerie - Google Patents

Mécanisme de calendrier d'horlogerie Download PDF

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Publication number
EP3040787B1
EP3040787B1 EP14200382.1A EP14200382A EP3040787B1 EP 3040787 B1 EP3040787 B1 EP 3040787B1 EP 14200382 A EP14200382 A EP 14200382A EP 3040787 B1 EP3040787 B1 EP 3040787B1
Authority
EP
European Patent Office
Prior art keywords
year
month
cam
calendar mechanism
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.)
Active
Application number
EP14200382.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3040787A1 (fr
Inventor
Eric Goeller
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 CH02037/14A priority Critical patent/CH710580A2/fr
Priority to EP14200382.1A priority patent/EP3040787B1/fr
Priority to US14/958,429 priority patent/US9454133B2/en
Priority to JP2015245926A priority patent/JP6069476B2/ja
Priority to CN201511010422.8A priority patent/CN105739284B/zh
Publication of EP3040787A1 publication Critical patent/EP3040787A1/fr
Application granted granted Critical
Publication of EP3040787B1 publication Critical patent/EP3040787B1/fr
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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/2576—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • 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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • 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
    • 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
    • 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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/2575—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

Definitions

  • the invention relates to a timepiece mechanism, comprising drive means arranged to drive, at each change of months, complementary drive means arranged to drive a cam of the months pivoting about a pivot axis, said cam of the months comprising a periphery with which cooperates a probe of months that includes said calendar mechanism.
  • the invention also comprises a watch comprising a movement arranged to drive such a calendar mechanism.
  • the invention relates to the field of calendar mechanisms for watches, and more particularly to a perpetual calendar mechanism.
  • a ratchet or a star of months, carrying a cam of the months is driven, at each change of months, by a rocker which cooperates with a snail cam of the days and which jumps during the crossing of the abrupt forehead of this snail cam.
  • the period of complete revolution of the cam of the months is usually twelve or forty-eight months.
  • the document GB 430 109 Arthur Charles, Ernest William Smith and Smith Meters Limited describes a clock calendar mechanism, comprising a cam of twelve months covering an angular sector less than 360 ° with respect to its axis of rotation.
  • This calendar mechanism of the prior art is arranged to cooperate with a dial placed vertically in order to exploit the force of gravity to return retrograde and instantaneously said cam months in the position of the first month of the year from the completion of the last day of the previous year.
  • Such a cam of months has, on its periphery, notches or surfaces, whose radial dimension corresponds to the duration of the different months, and could have a large size which is not always compatible with that of the other mechanisms and complications of the timepiece.
  • a so-called perpetual date mechanism has the function of determining the number of days of the current month, and more particularly of the current February.
  • the notion of perpetual mechanism is approximate: most trading mechanisms are leap year management mechanisms simple, either by using a cam of 48-notch months, or a cam of twelve-position months, whose February position includes a leap mechanism with a Maltese cross or similar, to cite the most known.
  • the invention proposes to minimize the volume of a watch calendar mechanism, in particular having a perpetual calendar with management of ordinary leap years, while reducing the number of manipulations of updates required of the user after a stop of the watch.
  • the invention relates to a clock calendar mechanism, comprising drive means arranged to drive, at each change of month, complementary drive means arranged to drive a pivoting month cam around a pivot axis, said cam of the months comprising a periphery with which cooperates a probe of the months that includes said calendar mechanism, characterized in that said feeler months always occupies the same angular position with respect to said pivot axis, and in that said cam of the months covers an angular sector less than 360 ° with respect to said pivot axis, and in that said calendar mechanism comprises elastic return means arranged to return retrograde and instantaneously, said cam months in cooperation with said feeler of the months in the position of the first month of the year from the completion of the last day of the previous year, and ladit cam of months with an edge arranged to cooperate, on the last day of the year, with an eccentric stop that includes said calendar mechanism, for controlling a retrograde movement of said cam months under the action of said elastic return means.
  • the invention also comprises a watch comprising a movement arranged to drive such a calendar mechanism.
  • the invention relates to a timing mechanism 100 of watchmaking, comprising drive means 2 arranged to drive, at each change of months, complementary drive means 3 arranged to drive a cam of the month 1 pivoting around a pivot axis D.
  • This cam of month 1 has a periphery 10 with which cooperates, in a conventional manner, a probe of months 4 that includes the calendar mechanism 100.
  • this periphery comprises sectors of different radial dimension depending on the duration of the month, and therefore comprises a plurality of notches.
  • the probe of the months 4 always occupies the same angular position with respect to the pivot axis D, and the cam of the months 1 covers an angular sector less than 360 ° with respect to the pivot axis D.
  • this angular sector is less than 120 °.
  • this angular sector is less than 90 °.
  • the calendar mechanism 100 comprises elastic return means arranged to return in a retrograde and instantaneous manner, this cam of the months 1 in cooperation with the probe of the months 4 in the position of the first month of the year from the completion of the last day from the previous year.
  • the cam of the months 1 has an edge 18 which is arranged to cooperate, on the last day of the year, with an eccentric stop 78 that includes the calendar mechanism 100, to control a retrograde movement of the cam of the months 1 under the action of its elastic return means.
  • the invention also relates to a timepiece 300, comprising a movement 200 arranged to drive such a calendar mechanism 100 according to the invention.
  • This movement 200 can be a mechanical movement as well as an electronic movement, in which case the mechanical part of the timepiece can, in a particular nonlimiting execution, be reduced to displaying the time and the associated functions. , such as chronograph, time zone, or other, and the calendar mechanism 100 according to the invention, which can be highlighted in a skeleton type execution or the like.
  • the actuation of the calendar mechanism 100 is thus controlled by a clockwork movement 200, which controls the rotation of the drive means 2, which comprise in particular a shaft 20.
  • the calendar mechanism 100 comprises a cylindrical assembly 50, comprising a drum 40 months for displaying the months, and a drum leap years 30 for the display of years ordinary leaps on a four-year cycle, coaxial along a C axis, and each one mounted idle around this C axis.
  • the calendar mechanism 100 includes, for the implementation of the invention, at least one mobile performing a turn in six or twelve months, and another mobile performing a turn in four years.
  • the shaft 20 comprises driving surfaces 21, including flats, flutes, or the like, for guiding movable walkers longitudinally along the direction A of the shaft 20.
  • the shaft 20 successively carries a first wolf-tooth walker 23, and a second wolf-tooth walker 24.
  • This second wolf-tooth walker 24 is arranged to cooperate with a first mobile walker combined, free in rotation, having a tooth of wolf 25 complementary to the second wolf-toothed walker 24, and a first pinion 26.
  • a second mobile walker combined, free in rotation comprises a second gear 28, and another wolf tooth 27.
  • the first mobile walkman and the second mobile walker are free on the axis 20, only the first wolf-tooth walker 23 and the second wolf-tooth walker 24 are driven by the drive surfaces 21 of the shaft 20.
  • Unrepresented levers mesh or not the first movable mobile and the second mobile walker with wheels, respectively 45 and 36 that includes the cylindrical assembly 50.
  • the first wolf-tooth walker 23, and the second wolf-tooth walker 24 are arranged for, in the contact position, to rotate the first sliding mobile having the first pinion 26. They are each arranged with a groove for their control in longitudinal displacement, similar to a time setting mechanism with flip-flops.
  • the drum 40 months has a first end flange 43, integral in rotation with a wheel 45 driven by the first pinion 26 when the latter is in the correct position.
  • the wheel 45 wheel makes a turn in 6 months.
  • the drum 40 months further comprises a second end flange 49, integral in rotation with the first end flange 43.
  • the second end flange 49 and the first end flange 43 bear a set of pivoting pallets 47 substantially flat, pivoted by pins 48 in these flanges.
  • Two consecutive palettes 47 carry one upper half, the other the lower half of the name of a month of the year, for the display of this month name in a window.
  • Twelve palettes 47 thus allow the display of six months of the calendar; the other six months can be read on the other sides of the pallets, which are rotated mid-year, or as soon as the month changes, by the action of a cam acting either directly on the pallets, for example the interior of the drum 40 months, or when each pallet passes on a tilting guide at the stage or deck, or outside the drum 40 months by action of a cam rotating a lever secured to a pin 44, 48, secured to the pallet 47 considered.
  • the second end flange 49 carries a twelve star 41 in wolf teeth which, in the variant illustrated, comprises six equal notched fields each having a ramp 42 month change. Each change of month triggers the advance of one step of this star 41, on a sixth of a turn.
  • the complementary drive means 3 comprises cooperating with this star of twelve 41, a lever 61 comprising a finger 63 arranged to actuate a star of twelve inter 64, which controls, by a pinion 65, driving a ferris wheel 75.
  • a latch 61 is pivotally mounted on a plate or the like, and carries a probe finger 62 which cooperates with the star 41, and follows the notches it comprises.
  • the probe finger 62 ascends a ramp 42, at the end of each month, this ramp tilts and pivots the latch 61, which drives, at its opposite end, a pivoted pivoting finger 63 which is biased by a spring not shown in the figures.
  • This finger 63 then pushes a star of twelve inter 64, which is maintained by a jumper not shown, and which makes one turn per year.
  • the star of twelve inter 64 is coaxial and integral with a pinion 65, which drives a large wheel 75 secured to a ring 71 which has four notches 72 years.
  • This large wheel 75 is a mobile of the years, which makes a turn in four years.
  • the cam of the months 1 is here a retrograde twelve cam, integral with a hub 11, which pivots in the big wheel 75.
  • the cam of the months 1 tends to be recalled by a spiral spring or the like, not shown, to a position angular where the probe 4 cooperates with an elementary surface of the periphery 10 which corresponds to the month of January.
  • the cam of months 1 still cooperates, directly or as illustrated through its hub 11, with a spring 13, which has a lug 12, which makes it cooperate each year with one of the four notches 72 of the ring 71, and which change notch each year.
  • the calendar mechanism 100 comprises a large wheel 75 which is a mobile of the years, and which makes a turn in four years, and which is secured to a ring 71 which has four notches of the 72 equidistant years, and during a calendar year, such a notch 72 maintains a lug 12 that comprises a spring 13 integral in rotation with the cam of months 1.
  • the calendar mechanism 100 comprises an eccentric stop 78) arranged to serve as a stop, on the last day of December, at an edge 18 of the cam of months 1 to disengage the spring 13 by releasing this pin 12 out of the way.
  • notch 72 which sheltered it in the past year, so as to allow the recoil, under the action of its own elastic return means (not shown in the figures), the cam of months 1 to wedge the ergot 12 in the next notch 72 for the duration of the new year.
  • the calendar mechanism 100 is illustrated here with a leap year drum 30, having a display drum 32, arranged for displaying the normal years or the leap year (symbolized by a letter B) over a four-year cycle.
  • This display drum 32 is integral, on one side with a toothed wheel 36 and a cam 37 for activating release levers for sliding gears and latches for driving other cams of twelve and four years not shown. here, and a second side of a four-year-old cam 33.
  • the leap year drum 30 thus comprises a four-year-old cam 33, which makes one turn in four years, and which comprises a first track 34 on a first level for the leap year. on a quarter turn, and a second runway 35 on a second level and three quarter turn for the three normal years.
  • a lever 91 has a first end 92 which palpates the profile of the four-year-old cam 33, and a second end provided with a toothed sector 93.
  • This toothed sector 93 pivots an arm 95, forming a leap-like cam, a distal end of which covers a part of a notch around the perimeter 10 of the cam of the months 1.
  • the notch of February of this circumference 10 is performed for a month of twenty-eight days.
  • the combination of the arm 95 with the cam of the months 1 creates the fiction of a month of twenty-nine days for a feeler arm 4 of double width, arranged to bear both on the perimeter 10 and on the edge 96 of the arm 95 when the first end 92 of the lever 91 follows the first track 34 of the leap year.
  • the calendar mechanism 100 includes a four-year-old cam 33 which makes one turn in four years, and which has a first track 34 on a first level for the leap year on a quarter turn, and a second track 35 on a second level and on three quarters of a turn for the three normal years.
  • the calendar mechanism 100 further comprises a lever 91 which includes a first end 92 which palpates the profile of the four-year-old cam 33, and a second end provided with a toothed sector 93 which pivots a toothing 94 of an arm 95, forming a leap cam.
  • a distal end of the arm 95 covers a portion of the perimeter 10 of the cam of months 1 whose profile for the month of February is made for a month of twenty-eight days.
  • this arm 95 with the cam of months 1 creates the fiction one month of twenty-nine days for a feeler arm 4 of double width, arranged to bear both on the periphery 10 and on an edge 96 of the distal end of the arm 95, when the first end 92 of the lever 91 follows the first leap year track 34.
  • the invention allows, again, the display of the year.
  • the calendar mechanism 100 then comprises a display means 5 of the current year, and the retrograde return movement of the cam of the months 1 increments this display means 5 by one unit, for displaying the display. 'Next year.
  • This increment can in particular be controlled, when one goes from December 31 to January 1 of a new year, for example by a cam of a flip-flop solidarisant the first wolf-toothed walker 23 with the second mobile walkman comprising the wolf's tooth 27.
  • the invention provides a significant space saving.
  • the drive mode of the cam months is quite special and does not consume energy unnecessarily.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP14200382.1A 2014-12-29 2014-12-29 Mécanisme de calendrier d'horlogerie Active EP3040787B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH02037/14A CH710580A2 (fr) 2014-12-29 2014-12-29 Mécanisme de calendrier d'horlogerie.
EP14200382.1A EP3040787B1 (fr) 2014-12-29 2014-12-29 Mécanisme de calendrier d'horlogerie
US14/958,429 US9454133B2 (en) 2014-12-29 2015-12-03 Timepiece calendar mechanism
JP2015245926A JP6069476B2 (ja) 2014-12-29 2015-12-17 計時器暦機構
CN201511010422.8A CN105739284B (zh) 2014-12-29 2015-12-29 钟表日历机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14200382.1A EP3040787B1 (fr) 2014-12-29 2014-12-29 Mécanisme de calendrier d'horlogerie

Publications (2)

Publication Number Publication Date
EP3040787A1 EP3040787A1 (fr) 2016-07-06
EP3040787B1 true EP3040787B1 (fr) 2017-07-19

Family

ID=52134058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14200382.1A Active EP3040787B1 (fr) 2014-12-29 2014-12-29 Mécanisme de calendrier d'horlogerie

Country Status (5)

Country Link
US (1) US9454133B2 (zh)
EP (1) EP3040787B1 (zh)
JP (1) JP6069476B2 (zh)
CN (1) CN105739284B (zh)
CH (1) CH710580A2 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3339973B1 (fr) * 2016-12-21 2019-07-24 Blancpain SA Mecanisme de quantieme
USD881058S1 (en) * 2018-03-05 2020-04-14 Montres Breguet S.A. Escapement wheel
EP3547043B1 (fr) * 2018-03-26 2021-02-17 Montres Breguet S.A. Mécanisme correcteur d'affichage d'horlogerie
EP3584642B1 (fr) * 2018-06-18 2021-01-13 Montres Breguet S.A. Mecanisme de reglage pour mecanisme d'affichage d'horlogerie a rouleau
EP3696617B1 (fr) * 2019-02-14 2023-07-05 Glashütter Uhrenbetrieb GmbH Mecanisme d'affichage de mois et d'annee bissextile pour piece d'horlogerie
EP4220308A3 (fr) * 2020-11-27 2023-08-09 Omega SA Mecanisme d'affichage d'horlogerie sautant a rouleaux
EP4109182A1 (fr) * 2021-06-23 2022-12-28 ETA SA Manufacture Horlogère Suisse Module d'affichage de fuseau horaire supplémentaire
EP4369112A1 (fr) * 2022-11-09 2024-05-15 Montres Breguet S.A. Mécanisme d'affichage des années bissextiles d'un mouvement horloger à affichage de quantième perpétuel

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GB430109A (en) * 1934-02-26 1935-06-13 Arthur Charles Improvements in and relating to date indicators
JPS4815092Y1 (zh) * 1967-12-08 1973-04-25
JPS51150365A (en) * 1975-06-18 1976-12-23 Seikosha Co Ltd Calendar mechanism
US5331608A (en) * 1992-03-31 1994-07-19 Citizen Watch Co., Ltd. Electronic watch with an antenna for a receiving device
CH691086A5 (fr) * 1997-01-30 2001-04-12 Girard Perregaux Sa Mouvement d'horlogerie à quantième perpétuel.
CH697662B1 (fr) * 2004-04-14 2009-01-15 Chopard Manufacture Sa Mécanisme de quantième perpétuel ou annuel.
DE102005014328B3 (de) * 2005-03-24 2006-07-20 Lange Uhren Gmbh Datumschaltung
DE602005022742D1 (de) * 2005-12-23 2010-09-16 Swatch Group Res & Dev Ltd Mechanismus zur Anzeige von Werten in variablen Zyklen, insbesondere in einem Mond-und Sonnen-Kalender
EP1818738A3 (fr) * 2006-02-14 2011-05-11 Franck Müller Watchland SA Quantième perpétuel séculaire
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
JP2011128027A (ja) * 2009-12-18 2011-06-30 Techno Ark Co Ltd 暦時計

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Also Published As

Publication number Publication date
CN105739284A (zh) 2016-07-06
EP3040787A1 (fr) 2016-07-06
US20160187854A1 (en) 2016-06-30
CN105739284B (zh) 2018-05-01
US9454133B2 (en) 2016-09-27
CH710580A2 (fr) 2016-06-30
JP6069476B2 (ja) 2017-02-01
JP2016126008A (ja) 2016-07-11

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