EP3009893B1 - Ewiger Kalender mit Ausgleichsgetriebe - Google Patents

Ewiger Kalender mit Ausgleichsgetriebe Download PDF

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Publication number
EP3009893B1
EP3009893B1 EP14188600.2A EP14188600A EP3009893B1 EP 3009893 B1 EP3009893 B1 EP 3009893B1 EP 14188600 A EP14188600 A EP 14188600A EP 3009893 B1 EP3009893 B1 EP 3009893B1
Authority
EP
European Patent Office
Prior art keywords
cam
month
perpetual
thirty
additional
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.)
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Application number
EP14188600.2A
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English (en)
French (fr)
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EP3009893A1 (de
Inventor
Eric Goeller
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Montres Breguet SA
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Montres Breguet SA
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Filing date
Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to CH01551/14A priority Critical patent/CH710229A2/fr
Priority to EP14188600.2A priority patent/EP3009893B1/de
Priority to US14/867,278 priority patent/US9448534B2/en
Priority to JP2015199179A priority patent/JP6082077B2/ja
Priority to CN201510658583.1A priority patent/CN105511248B/zh
Publication of EP3009893A1 publication Critical patent/EP3009893A1/de
Priority to HK16111968.7A priority patent/HK1223690A1/zh
Application granted granted Critical
Publication of EP3009893B1 publication Critical patent/EP3009893B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/2536—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement automatically corrected at the end of months having less than 31 days
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • 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
    • G04B19/24346—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 band-shaped
    • G04B19/2436—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
    • G04B19/25373—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
    • G04B19/2538—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 automatically corrected at the end of months having less than 31 days

Definitions

  • the invention relates to a perpetual calendar mechanism for a timepiece comprising a watch movement arranged to control the daily trigger, at the time of the change of date, a mechanism for actuating a perpetual flip-flop that includes said mechanism of perpetual calendar.
  • the invention also relates to a clockwork mechanism comprising a clockwork movement arranged to control the daily trigger, at the time of the change of date, a mechanism for actuating a perpetual rocker that includes such a perpetual calendar mechanism , and comprising a display mechanism comprising at least date display means controlled by said calendar mechanism.
  • the invention also relates to a timepiece comprising such a clock mechanism.
  • the invention relates to the field of date display mechanisms on mechanical watches, and more particularly perpetual calendar.
  • stars of the day of the week, the month of the year, and the calendar in the month are all actuated by the same perpetual flip-flop, which is pivotally mounted relative to the deck or to a bridge of the movement of the timepiece, and which performs its function of changing display during a change of day, in a sudden movement, at a precise moment, by the action of a spout and two pawls, that includes this perpetual rocking. This jump is made near midnight.
  • This perpetual rocker is recalled by a spring towards a rest position where one of its beaks bears on a first sector of a cam months, borne by a star of the twelve-toothed months making a turn a year, or a star with forty-eight teeth performing a turn in four years.
  • the radius of this cam of the months is representative of the duration in days of the month considered, either in the form of a notch of greater or lesser depth, or in the form of a projection of greater or lesser extension.
  • a sudden pivoting of this perpetual rocker is controlled by a wheel linked to the movement, making a turn in 24 hours, carrying a driving pin of a heart against a roller mounted on a lever recalled by a spring.
  • the crossing of a point of the heart triggers the abrupt movement of an index that leads to a beak of the perpetual rocker.
  • Another beak of the perpetual rocker controls the pivoting of a star of the day of the week, the sequence of days being perpetual does not require any particular mechanism, since it suffices to increment by one step the position of this star.
  • the pivoting control of a so-called thirty-one star, thirty-one teeth is performed by a first pawl said thirty-one, pivoted on the perpetual rocker and limited in its pivoting by a pin fixed on it this.
  • This star of thirty-one is pivotally secured to a first cam and a second cam both spiral.
  • the first spiral cam is arranged to cooperate with a beak probe that includes a flip-flop of months, pivoted and biased towards this first cam by a spring.
  • the function of this first cam is to cause, at the right moment, the fall of the one that toggles months.
  • This flip-flop comprises for this purpose, opposite this needle probe, a second feeler arranged to cooperate with the star of the month with 12 teeth, and to push it with a tooth when the needle probe falls from large radius to small radius of spiral.
  • the second spiral cam has a single notch, against which acts a second ratchet, called catch-up end of the month, carried by the rocker perpetual, and which presses on it by a spring, and this second ratchet has effect only for months which do not have 31 days.
  • the beak of the perpetual rocker is in the deepest notch of the cam of the months, and, during the passage of the 27th to the 28th of the month, the second ratchet engage in that notch of the second spiral cam.
  • This particular setting of the perpetual seesaw allows the second ratchet, when the perpetual seesaw jumps around midnight of the 28th of the month, to pull together four teeth of the thirty-one star.
  • the first spiral cam controls the pivoting of the month rocker, which causes the star of the months, and thus the cam of the months, to pass to the sector of the following month, March in this case.
  • the notch of the cam months for months of thirty days is arranged in such a way that the second pawl causes two teeth of the star thirty-one evening of the 30th of the month.
  • the month cam slot for the 29-day February months of the leap years is arranged in such a way that the second pawl causes three teeth of the thirty-one star on the evening of the 29th. month.
  • the document CH 660 440 A3 DUBOIS & DEPRAZ SA describes a perpetual calendar that includes a large rocker that is pushed by the movement, and has five fingers and a ratchet. This pawl presses on the periphery of a snail-cam fixed on a wheel of thirty-one days. This carries an actuating finger that can cooperate with a wheel of forty-eight months. A main finger formed by one end of the rocker is located in the path of an actuating finger which can be driven by a pin that carries the wheel twenty-four hours. This actuating finger carries a curved dorsal portion forming a cam, and which actuates this perpetual calendar mechanism.
  • a finger comes into contact, leap years, with a lever that includes a leap cam.
  • a third finger cooperates with a twelve-month cam.
  • a fourth finger forming a driving nose cooperates with the teeth of the thirty-one day wheel carrier of the cam-snail, this fourth finger works every day, while the ratchet carried by the rocker works only for the purpose of months.
  • a fifth finger making second drive spout cooperates with a seven-day star. Because of this construction, the disturbances are different depending on whether one is in the context of days with a jump (from 1 to 27) or days with several jumps (from 28 to 31).
  • Requirement EP 2,503,411 in the name of MONTRES BREGUET SA describes a date mechanism for a timepiece, which comprises a movement arranged to control once a day a pivoting movement of a perpetual rocker, that includes said date mechanism, said mechanism comprising means driving a cam of twelve perpetual comprising twelve sectors corresponding to the successive months and of different radial dimension depending on the duration of each month, which performs one turn per year, characterized in that said mechanism is single-click and includes a finger single ratchet, articulated to said perpetual rocker and arranged to cooperate directly with a toothing that includes a thirty-one ratchet wheel pivotally mounted about a pivot axis of a thirty-one spiral cam controlling directly or indirectly date display means, and a second cam determining the position of a downward mechanism arranged in.
  • said up-down mechanism measuring the duration of the current month on said cam of twelve perpetual and, depending on the position of a pin that it comprises, allowing, limiting, or prohibiting the cooperation of a beak of said pawl finger with said thirty-one ratchet wheel.
  • the document EP1349020 A1 in the name of ROGER DUBUIS describes a timepiece with large-format display and instant jump, is an instantaneous perpetual calendar system with ratchets for the control of functions and corrections.
  • This mechanism comprises a clock gear wheel, a calendar wheel comprising a thirty-one toothed wheel, a wheel of thirty teeth units plus a space corresponding to a tooth for driving a gear of the units of ten teeth and a wheel of four teeth to drive a star dozens of four teeth, an annual cam integral with a wheel of twelve teeth, and drive means connected to the time indicator gear train to drive this date wheel by one turn per month and the annual cam by one revolution per year, in which the mobile of date is integral with a correction element, and the drive means comprise an instantaneous jump cam integral with a wheel connected to the time indicator train to make one turn per day, a training lever equipped with a retractable drive finger, resilient means pressing said drive flip-flop against the instantaneous jump cam, a correction flip-flop comprising
  • the document EP1524564 A1 in the name of ROTH & GENTA describes a timepiece comprising an annual or perpetual calendar display mechanism, comprising at least one month cam in which the mechanism further comprises a movable element to indicate the number of days in the month , which can be moved relative to at least one fixed indicator member and a link for connecting said movable indicator member to the cam of the months, so that said movable member for indicating the number of days of the month occupies, relative to the fixed indicator element, during each month, a position characteristic of this month cam.
  • the invention proposes to create a perpetual calendar mechanism that is foolproof and easy to install in place of a conventional date mechanism, with few structural modifications.
  • the invention relates to a perpetual calendar mechanism for a timepiece comprising a watch movement arranged to control the daily trigger, at the time of the change of date, of a mechanism for actuating a perpetual flip-flop.
  • said perpetual calendar mechanism comprises a calendar mechanism, a daily downward mechanism which comprises an end-of-month catch-up mechanism, and a differential mechanism, wherein said calendar mechanism is arranged to display the duration in the current month and is updated at each change of current month by said daily downmeter, and wherein said differential mechanism is arranged to control, each day at the time of the change of date, the movement of an additional cam of catching up with the end-of-month catch-up mechanism, on the basis of an information on the current day of the month recorded on said daily down-time mechanism, and information on the duration of the current month recorded on said calendar mechanism.
  • the invention also relates to a clockwork mechanism comprising a clockwork movement arranged to control the daily trigger, at the time of the change of date, a mechanism for actuating a perpetual rocker that includes such a perpetual calendar mechanism , and comprising a display mechanism comprising at least date display means controlled by said calendar mechanism.
  • the invention also relates to a timepiece comprising such a clock mechanism.
  • the invention presents a date mechanism whose implantation in a timepiece is easier than for the known mechanisms, and in particular so that this implantation is possible in a peripheral zone of a watch, less congested. by complications.
  • the invention is applicable to a retrograde date display or not, instantaneous or not.
  • the invention relates to a perpetual calendar mechanism 100 for timepiece 1000, which comprises a watch movement 200 controlling the movement of this perpetual calendar mechanism 100.
  • This perpetual calendar mechanism 100 comprises different insulators and latches, whose form exposed here is only indicative, and which is essentially imposed by the other complications of the timepiece, and by the need to avoid interference. This can lead to more complex shapes than their own functions require.
  • the invention is adaptable to any desired periodicity. Those skilled in the art can transpose the daily periodicity detailed here at other time periods. In the same way, the invention can be used for particular calendars, by replacing the control members described here with twelve months a year from 28 to 31 days, by other control members with a number of different periods, and amplitudes of different duration, for example for lunar calendars, or other.
  • the movement 200 is arranged to control once a day a pivoting movement of a perpetual rocker 2, that includes the perpetual calendar mechanism 100.
  • the perpetual calendar mechanism 100 includes a mechanism for adjusting the duration of the month of February according to the normal or leap years, or alternatively, in another variant, in addition, common years of the end of the century.
  • the perpetual calendar mechanism 100 combines a calendar mechanism 700 arranged to display the duration at the current month, and which is updated at each change of current month by a daily downmixing mechanism 300, and a differential mechanism 500 which is arranged to control, each day at the time of the change of date, the movement of the daily downmixing mechanism 300 on the basis of information recorded both on the daily downmix mechanism 300 and on the calendar mechanism 700.
  • the perpetual calendar mechanism 100 comprises a calendar mechanism 700, a daily downmixing mechanism 300 which includes an end-of-month retrieval mechanism 600, and a differential mechanism 500, where the calendar mechanism 700 is arranged to display the calendar mechanism. duration to the current month and is updated at each change of current month by the daily downmix mechanism 300, and wherein the differential mechanism 500 is arranged to control, each day at the time of the change of date, the movement of a moving part of the mechanism of month-end catch-up 600 on the basis of information on the current day of the month recorded on the daily down-time mechanism 300, and information on the duration of the current month recorded on the calendar mechanism 700.
  • This cam of the months 9 is driven by the perpetual calendar mechanism 100 itself, as will be explained later, and performs one turn per year.
  • the cam of the months 9 is coaxial along the axis of the months D4 with a four-tooth leap-wheel, and with a ratchet wheel of twelve teeth.
  • the cam of the months 9 carries the leap cam, such as Maltese cross or the like, whose pivoting is controlled by the four-toothed leap-wheel.
  • the assembly constituted by the cam of the months 9 and the leap wheel carries, or causes, a display indicator of the month.
  • the cam of the months 9 is integral in pivoting of a ratchet of the months 69, which is held in position by a jumper 89.
  • the cam of the months 9 visible in the figures is a simplified didactic representation showing afterwards different tracks corresponding to durations of 28/29/30/31 days, circled on the figure 1 .
  • the calendar mechanism 700 can incorporate a classic cam of months, with the normal sequence of months and adjustment of their durations.
  • the calendar mechanism 700 also comprises, in known manner, an operating isolator 12 which pivots about an axis D5, and which is recalled by a spring not shown in the figures.
  • This maneuver isolator 12 carries a nose probe 512 which follows the profile 42 of a calendar day cam in snail, here called a thirty-one cam 4, that includes the daily downmixing mechanism 300, which will be detailed below. .
  • This needle probe 512 is arranged to perform a sudden jump, at each change of month, under the action of this cam of thirty-one 4, during the passage of a front 43 that has its profile 42.
  • This insulator maneuvering 12 still carries a hook 8, which is arranged to perform, during this change of months, a traction on the ratchet months months 69, so as to advance a step.
  • This maneuvering insulator 12 still carries a rake 912 for maneuvering a date display indicator 412, which belongs to the display means 400 of the timepiece 1000.
  • the isolator maneuver 12 thus continuously displays the date, its probe tip 512 bearing on the cam edge of thirty-one 4.
  • the needle probe 512 jumps on a 43 which includes the thirty-one cam 4, which causes a pivoting movement in maximum stroke of the operating isolator 12 about its axis D3, to effect traction, the ratchet of the months 69.
  • the pivoting of the ratchet of the months 69 drives that of the cam of the months 9 of which it is solidary.
  • the daily downmixing mechanism 300 comprises, in interface with a clockwork movement 200, a perpetual rocker 2.
  • the perpetual rocker 2 is pivoted relative to the plate or a bridge of the timepiece 1000, and the movement 200 controls a once a day a sudden pivoting of this perpetual rocker 2, which is returned by a spring in a rest position when it is not driven by the movement 200.
  • the perpetual calendar mechanism 100 is an instantaneous date mechanism by an abrupt daily action, at midnight, of an instantaneous mechanism arranged to rotate the perpetual rocker 2 instantaneously.
  • a daily cooperation of the perpetual rocker 2 with a finger of a twenty-four hour wheel of the movement 200 rotates the perpetual rocker 2 once a day, one of its arms then actuating a star of seven positioned by a jumper, for the display of the day of the week.
  • the instantaneous mechanism comprises a barrel, carrying a plurality of pins each arranged to interact with a feeler finger that comprises the perpetual rocker 2, to rotate it instantaneously.
  • the perpetual rocker 2 pivots, each day at midnight, under the action of a pin which acts on the finger feeler of the perpetual rocker 2.
  • the invention overcomes the period of 22 hours to 24 hours , which, usually on date timepieces, is assigned to the change of date, and during which other manipulations are discouraged or prohibited.
  • the daily downward mechanism 300 comprises a main finger 1, which is articulated, at a pivot 62 at one end of the perpetual rocker 2.
  • This main finger 1 is arranged to cooperate, during the daily pivoting of the perpetual rocker 2, with a toothing that includes a ratchet wheel, said thirty-one wheel 31.
  • This thirty-one wheel 31 is pivotally integral about an axis of days D1, with a cam of thirty-and- a 4 spiral.
  • the main finger 1 is recalled by a spring not shown in the figures.
  • the main finger 1 rotates, by a spout 51 that it comprises, the thirty-one wheel 31 by one step, until the 28th of the month.
  • the correction is variable according to the month displayed in progress.
  • this main finger 1 is bent between the pivot 62 and its beak 51.
  • This main finger 1 always has the same race.
  • the thirty-one wheel 31 is continuously rotating, non-retrograde, the invention is then usable for a retrograde calendar or not. In case of retrograde display, this function is performed downstream of the thirty-one wheel 31.
  • the thirty-one cam 4 has a rim-shaped periphery with a front 43.
  • the needle-nosed probe 512 of the maneuver isolator 12 palpe, daily, the position of the day on the outer periphery, and the pivoting of the operating isolator 12 updates the date display indicator 412.
  • the daily downmixing mechanism 300 comprises, to determine each day the number of teeth of the thirty-one wheel 31 to be actuated, an end-of-month catch-up mechanism 600, which is arranged to adjust the duration of the cooperation between the main finger 1 and the thirty-one wheel 31, according to the current month and the current day of the month.
  • This end-of-month catch-up mechanism 600 comprises, in a particular and nonlimiting embodiment, as visible on the Figures 1 to 12 an additional cam 20, which is a retractable cam, coaxial with the thirty-one cam 4 and the thirty-one wheel 31 about the axis of the days D1, and whose The angular deviation from the thirty-one wheel 31 is variable, and determines the number of days to be made up for the months that are less than 31 days.
  • This additional cam 20 is arranged to cooperate with an additional finger 10, which comprises the end-of-month catch-up mechanism 600.
  • This additional finger 10 is pivoted on the perpetual rocker 2 and pushed by it once a day, from the same way as the main finger 1, and also always has the same race.
  • the thirty-one cam 4 and the additional cam 20 are each a snail-shaped cam, with growth in the same direction. Each of them has a steep front, respectively 43 and 23.
  • This additional finger 10 is arranged to control the catch-up date at the end of the month, according to the date of the day and the duration of the current month, by the training of an adequate number of teeth of the wheel of thirty-one. 31.
  • the main finger 1 fulfills the function of perpetual calendar activation, in cooperation with the additional finger 10, and with the thirty-one wheel 31.
  • the last normal day of every month is the 28th of the month.
  • the differential mechanism 500 which includes the invention, controls the daily downmixing mechanism 300, on the basis of information recorded both on the daily downmix mechanism 300 and on the calendar mechanism 700. More particularly the mechanism Differential 500 is a differential mechanism arranged to control the angular position of the additional cam 20, depending on the positions of the cam of the months 9 and the thirty-one cam 4, or the thirty-one wheel. 31, which amounts to the same since these last two are in solidarity with each other.
  • the daily up-and-down mechanism 300 is controlled by a differential mechanism 500 between the cam of months 9 and the cam of thirty-one 4.
  • the perpetual calendar mechanism 100 comprises, at the level of the differential mechanism 500, a reader isolator 3, which comprises a reader probe 53 for measuring the duration of the current month on the cam of the month 9.
  • This reader probe 53 is positioned, according to the current month, on a radius Rm with respect to the axis of the months D4. This radius Rm is variable, and depends on the number of days of the month considered.
  • this drive isolator 3 constitutes a first input of the differential mechanism 500.
  • the second input of this differential mechanism 500 is constituted by the thirty-one wheel 31 positioned by the main finger 1.
  • the output of this differential mechanism 500 is constituted by an additional cam 20, controlled by the induced movement of the planet carrier plate 82.
  • This differential mechanism 500 is reversible, and the inputs or outputs are permutable. This is particularly the case when, when the perpetual flip-flop 2 prints a movement in the main finger 1 and the additional finger 10, it comes to interfere with the additional cam 20, then printing a pivoting movement to the planet carrier 82 , which becomes an input of the differential mechanism 500, the output then being the axial wheel 83 which drives the thirty-one 31 wheel by printing the pivoting movement to jump the number of teeth just needed.
  • the radial position Rm of the reader probe 53 thus determines, each month, a particular angular position of the ring gear 30.
  • the satellite of the differential mechanism takes the information on the cam of the months, in place of the large rocker used for this purpose on the usual mechanisms of perpetual calendars.
  • the additional finger 10 is arranged to drive the thirty-one cam 4, in certain angular positions of the thirty-one cam 4.
  • the end-of-month catch-up mechanism 600 further comprises a safety mechanism, arranged for, in certain angular positions of the thirty-one-four cam 4 and the thirty-one wheel 31, to allow access of the additional finger 10 to the additional cam 20, and in other angular positions of the thirty-one cam 4, prohibit access of the additional finger 10 to the additional cam 20.
  • the cam of thirty-one 4 has, projecting on one of its faces, here on its lower part facing the thirty-one wheel 31, a deflector 40 with a particular contour, constituting this safety mechanism.
  • This deflector 40 allows or prevents access of the tip 102 of the additional finger 10 to the profile 22 or to the front 23 of the additional cam 20.
  • the deflector 40 pushes the lower surface 101 of the additional finger 10, prohibiting access to the profile 22 of the additional cam 20.
  • the axial movement of the additional finger 10, printed by the perpetual rocker 2 remains then without effect on the angular position of the additional cam 20, its additional pinion 21, and the planet wheel 82.
  • the catch-up finger 10 In the so-called normal days, from the first to the 27th of the month, other than those at the end of the month, the catch-up finger 10 never meets the cam edge 23, it slides on the profile of the additional cam 20, or on a flat surface the deflector 40 which is tangential to the outer profile of the additional cam 20.
  • the deflector 40 and spreads the catch finger 10 to let the additional cam 20 in any direction, front or rear, without contact.
  • the deflector 40 thus avoids, in the case where the front 23 of the additional cam 20 comes back during the passage one month, that catching by the extra finger 10 is made the passage of the next day: for example we avoid that the date passes unexpectedly from the first to the 3rd of the month.
  • the catch-up finger 10 encounters the cam face 23 and pushes it; in doing so, it rotates the planet wheel 82 of the differential mechanism 500, and so rotates the ratchet of the thirty-one wheel 31; during this pushing, a distal end 44 of the deviator 40, the furthest away from the axis of the days D1, moves the catching finger 10 away, which can no longer catch the front 23 of the additional cam 20: only the finger main 1 can push the ratchet of the thirty-one wheel 31, which has rotated in the meantime, to its new position which corresponds to the catch-up performed.
  • the catching finger 10 is disengaged by the action of the deflector 40, which prevents any action on the additional cam 20.
  • the additional finger 10 can drive the profile 22 of the additional cam 20, and thus rotate the additional pinion 21, thus driving the planet wheel 82.
  • the thirty-one wheel 31 is secured to a surprise 29, constituting this safety mechanism, and which, without limitation, comprises a circular circumference interrupted by two plates 290 and 291.
  • the main finger 1 and the additional finger 10 which were waiting in an advanced position, slide back, on the teeth of the thirty-one wheel 31 for the main finger 1, and, as the case may be, on the periphery of the additional cam 20 and / or on the deflector 40 for the additional finger 20.
  • the angular position of the additional cam 20 with respect to the thirty-one cam 4 is variable, since it depends on both the current day and the information read by the reader probe 53 relating to the duration of the current month on the cam of the months 9.
  • the angular deviation of these fronts 43 and 23 is limited to 4 days, since the date 28.
  • the differential mechanism 500 has the front 23 of the additional cam 20 with an angular difference corresponding to a catch of a jump of two teeth on the wheel ratchet of thirty-one 31 when the probe reader 53 on the cam of the months 9 is on a position 30 days.
  • This angular difference corresponds to a catch of a jump of three teeth when the reader probe 53 on the cam of the months 9 is at a position 29 days, and a catch of a jump of four teeth when the reader probe 53 on the 9 months cam is on a 28 day position.
  • the leap on the 31st is naturally a single tooth.
  • the invention also relates to a timepiece mechanism 800 comprising a clockwork movement 200 arranged to control the daily trigger, at the time of the change of date, of a mechanism for actuating a perpetual flip-flop 2 that comprises such a mechanism perpetual calendar 100, and comprising a display mechanism 400 comprising at least date display means 412 controlled by the calendar mechanism 700.
  • the invention also relates to a timepiece 1000, in particular a watch, comprising such a clock mechanism 800.
  • the invention makes it possible to transform a conventional date mechanism into a perpetual calendar mechanism, without any background modifications, and this, with a cam of forty-eight as well as a cam of twelve.
  • the mechanism according to the invention makes it possible to prevent any such error, and the user is assured of displaying the correct date and the month, because it is impossible to shift the date, between the cam of the months and the wheel of thirty. -and one. For example, it is impossible for the user to display a February 30 or June 31 in manual correction. On certain perpetual calendars, the correction passes only through the street of thirty-one, which means that, in coupling with a cam of 48, it is necessary to manually perform 47 turns of wheel of thirty-one before returning at the right month on the cam 48, this advantage is far from minor.

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

Claims (8)

  1. Ewiger Kalendermechanismus (100) für ein Zeitmessgerät (1000), das ein Uhrwerk (200) umfasst, das dafür ausgelegt ist, die tägliche Auslösung eines Mechanismus zum Betätigen einer ewigen Wippe (2), die der Ewige Kalendermechanismus (100) aufweist, zum Zeitpunkt des Datumswechsels zu steuern, wobei der Ewige Kalendermechanismus (100) einen Kalendermechanismus (700), einen Tagesabwärtszähler (300), der einen Monatsende-Einholmechanismus (600) aufweist, und einen Differential-Mechanismus (500) umfasst, dadurch gekennzeichnet, dass der Kalendermechanismus (700) dafür ausgelegt ist, die Dauer im aktuellen Monat anzuzeigen, und bei jedem Wechsel des aktuellen Monats durch den Tagesabwärtszählmechanismus (300) aktualisiert wird, und wobei der Differential-Mechanismus (500) dafür ausgelegt ist, jeden Tag zum Zeitpunkt des Datumswechsels die Bewegung eines zusätzlichen Einholnockens (20), den der Monatsende-Einholmechanismus (600) aufweist, anhand einer Information bezüglich des aktuellen Tages des Monats, der an dem Tagesabwärtszählmechanismus (300) abgelesen wird, und einer Information über die Dauer des aktuellen Monats, die an dem Kalendermechanismus (700) abgelesen wird, zu steuern.
  2. Ewiger Kalendermechanismus (100) nach Anspruch 1, dadurch gekennzeichnet, dass der Differential-Mechanismus (500) einen Leseisolator (300) umfasst, der einen Lesetaster (53) zum Messen der Dauer des aktuellen Monats an einem Monatsnocken (9), den der Kalendermechanismus (700) aufweist, umfasst, und dass der Leseisolator (3) einen ersten Eingang des Differential-Mechanismus (500) bildet, wovon ein zweiter Eingang durch ein Rad (31) mit einunddreißig Zähnen gebildet ist, das der Tagesabwärtszählmechanismus (300) aufweist und das durch einen Hauptfinger (1) positioniert ist, den der Tagesabwärtszählmechanismus (300) aufweist und der jeden Tag zum Zeitpunkt des Datumswechsels durch die ewige Wippe (2) betätigt wird, um am Ausgang des Differential-Mechanismus (500) die Winkelposition des zusätzlichen Nockens (20) zu steuern.
  3. Ewiger Kalendermechanismus (100) nach Anspruch 2, dadurch gekennzeichnet, dass der Differential-Mechanismus (500) ein Planetenrad-Differential ist, das drehbar um eine Differentialachse (D2) montiert, umfasst:
    - eine Hauptwelle (84), die im unteren Teil mit einem axialen Rad (83) fest verbunden ist, das mit einem Antriebsrad (92) kämmt, das entlang einer Tagesachse (D1) zu dem Rad (31) mit einunddreißig Zähnen koaxial ist und mit diesem fest verbunden ist, wobei die Hauptwelle (84) im oberen Teil ein axiales Ritzel (85) trägt;
    - eine gezahnte Planetenrad-Trägerplatte (82), die lose drehbar um einen Umfang der Hauptwelle (84) montiert ist, wobei die Planetenrad-Trägerplatte (82) mit ihrer Zahnung mit einem zusätzlichen Ritzel (21) kämmt, das mit dem zusätzlichen Nocken (20) fest verbunden ist, der ein drehbar an der Tagesachse (D1) montierter beweglicher Datumseinholnocken ist, wobei die gezahnte Planetenrad-Trägerplatte (82) exzentrisch eine Planetenradwelle (87) trägt, die ein lose drehbar montiertes Planetenradritzel (86) trägt, das einerseits mit dem axialen Ritzel (85) der Hauptwelle (84) kämmet, und andererseits mit einer mit dem Leseisolator (3) fest verbundenen gezahnten Krone (30) kämmt, die nur mit dem Planetenradritzel (86) kämmt, was dessen Zentrierung in Bezug auf die Differentialachse (D2) sicherstellt.
  4. Ewiger Kalendermechanismus (100) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Monatsende-Einholmechanismus (600) einen zusätzlichen Finger (10) umfasst, der wie der Hauptfinger (1) zum Zeitpunkt des Datumswechsels durch die ewige Wippe (2) täglich betätigt wird und der dafür ausgelegt ist, mit einer Vorderseite (23), die der zusätzliche Nocken (20) aufweist, in bestimmten Winkelpositionen des zusätzlichen Nockens (20) in anschlagender Abstützung zusammenzuwirken.
  5. Ewiger Kalendermechanismus (100) nach Anspruch 4, dadurch gekennzeichnet, dass der Monatsende-Einholmechanismus (600) einen Sicherheitsmechanismus umfasst, der dafür ausgelegt ist, in bestimmten Winkelpositionen des Rades (31) mit einunddreißig Zähnen den Zugang des zusätzlichen Fingers (10) zu dem zusätzlichen Nocken (20) zuzulassen und in anderen Winkelpositionen des Rades (31) mit einunddreißig Zähnen den Zugang des zusätzlichen Fingers (10) zu dem zusätzlichen Nocken (20) zu verhindern.
  6. Ewiger Kalendermechanismus (100) nach Anspruch 5, dadurch gekennzeichnet, dass der Tagesabwärtszählmechanismus (300) einen Nocken (4) mit einunddreißig Zähnen umfasst, der mit dem Rad (31) mit einunddreißig Zähnen drehfest verbunden ist und der mit einem Spitzentaster (512) zusammenwirkt, den ein drehbarer Betätigungsisolator (12) aufweist, welchen der Kalendermechanismus (700) aufweist, und dass der Nocken (4) mit einunddreißig Zähnen an einer seiner Flächen vorstehend eine Ablenkeinrichtung (40) aufweist, die den Sicherheitsmechanismus bildet und der je nach Winkelposition des Nockens (4) mit einunddreißig Zähnen den Zugang des zusätzlichen Fingers (10) zu dem Profil (22, 23) des zusätzlichen Nockens (20) zulässt oder verhindert.
  7. Uhrenmechanismus (800), umfassend ein Uhrwerk (200), das dafür ausgelegt ist, die tägliche Auslösung zum Zeitpunkt des Datumswechsels eines Mechanismus zum Betätigen einer ewigen Wippe (2) zu steuern, die ein Ewiger Kalendermechanismus (100) nach einem der vorhergehenden Ansprüche aufweist, und umfassend einen Anzeigemechanismus (400), der zumindest Datumsanzeigemittel (412) aufweist, die durch den Kalendermechanismus (700) gesteuert werden.
  8. Zeitmessgerät (1000), umfassend einen Uhrenmechanismus (800) nach dem vorhergehenden Anspruch.
EP14188600.2A 2014-10-13 2014-10-13 Ewiger Kalender mit Ausgleichsgetriebe Active EP3009893B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH01551/14A CH710229A2 (fr) 2014-10-13 2014-10-13 Quantième perpétuel à différentiel.
EP14188600.2A EP3009893B1 (de) 2014-10-13 2014-10-13 Ewiger Kalender mit Ausgleichsgetriebe
US14/867,278 US9448534B2 (en) 2014-10-13 2015-09-28 Perpetual calendar with a differential mechanism
JP2015199179A JP6082077B2 (ja) 2014-10-13 2015-10-07 差動機構を備えた万年暦
CN201510658583.1A CN105511248B (zh) 2014-10-13 2015-10-12 具有差速机构的万年历机构
HK16111968.7A HK1223690A1 (zh) 2014-10-13 2016-10-17 具有差速機構的萬年曆機構

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EP14188600.2A EP3009893B1 (de) 2014-10-13 2014-10-13 Ewiger Kalender mit Ausgleichsgetriebe

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DE102016111463B3 (de) * 2016-06-22 2017-08-31 Lange Uhren Gmbh Fortschalteinrichtung einer Uhr
EP3627241B1 (de) * 2016-07-05 2022-02-16 Montres Breguet S.A. Walzenanzeigemechanismus für armbanduhr
EP3486735B1 (de) * 2017-11-20 2020-09-30 Montres Breguet S.A. Uhrwerksmechanismus zur nullrückstellung der sekunde mit schneckennocken
CH715472A1 (fr) * 2018-10-26 2020-04-30 Richemont Int Sa Dispositif de commande pour mouvement horloger.
EP3722890A1 (de) * 2019-04-10 2020-10-14 ETA SA Manufacture Horlogère Suisse Vorrichtung zur anzeige einer folge von periodischen ereignissen, die einen jahreszyklus bilden, und eine solche anzeigevorrichtung umfassende uhr
EP3913442B1 (de) * 2020-05-20 2023-05-17 Blancpain SA Retrograder uhranzeigemechanismus, der mit einer sicherheitsvorrichtung ausgestattet ist
EP4050426A1 (de) * 2021-02-26 2022-08-31 Patek Philippe SA Genève Uhrwerk mit einer wippe zur inaktivierung einer funktion und uhrwerk mit einer solchen vorrichtung

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CN105511248B (zh) 2017-12-22
JP6082077B2 (ja) 2017-02-15
US20160103421A1 (en) 2016-04-14
US9448534B2 (en) 2016-09-20
CH710229A2 (fr) 2016-04-15
EP3009893A1 (de) 2016-04-20
CN105511248A (zh) 2016-04-20
HK1223690A1 (zh) 2017-08-04
JP2016080700A (ja) 2016-05-16

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