EP2503411A1 - Ewiger Kalender mit Einzelsperre - Google Patents

Ewiger Kalender mit Einzelsperre Download PDF

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Publication number
EP2503411A1
EP2503411A1 EP11159239A EP11159239A EP2503411A1 EP 2503411 A1 EP2503411 A1 EP 2503411A1 EP 11159239 A EP11159239 A EP 11159239A EP 11159239 A EP11159239 A EP 11159239A EP 2503411 A1 EP2503411 A1 EP 2503411A1
Authority
EP
European Patent Office
Prior art keywords
cam
perpetual
date
month
finger
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
EP11159239A
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English (en)
French (fr)
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EP2503411B1 (de
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 EP11159239.0A priority Critical patent/EP2503411B1/de
Priority to US13/424,532 priority patent/US8711658B2/en
Priority to JP2012065129A priority patent/JP5537585B2/ja
Priority to CN201210078428.9A priority patent/CN102692864B/zh
Publication of EP2503411A1 publication Critical patent/EP2503411A1/de
Application granted granted Critical
Publication of EP2503411B1 publication Critical patent/EP2503411B1/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
    • 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 a date mechanism for a timepiece, which comprises a movement arranged to control once a day a pivoting movement of a perpetual rocker, which comprises said date mechanism, said mechanism comprising a cam of twelve perpetual comprising twelve sectors corresponding to the successive months and of different radial dimension according to the duration of each month, which makes one turn per year.
  • the invention also relates to a timepiece comprising a movement, and comprising such a date mechanism.
  • the invention relates to the field of watchmaking, and more particularly the field of timepieces comprising a date mechanism.
  • 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 to a rest position where one of its beaks bears on a first sector of a cam months, carried by a star of the month to 12 teeth performing a turn per year.
  • 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 first feeler that includes a flip-flop of months, pivoting 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 this rocker of the months.
  • This month toggle comprises for this purpose, opposite this first probe, a second feeler arranged to cooperate with the star of the month with 12 teeth, and push it with a tooth when the first probe falls from the large radius to the small radius of the spiral.
  • the second spiral cam has a single notch, against which acts a second ratchet, called end-of-month catch-up, carried by the perpetual rocker, and which presses on it by a spring, and this second ratchet has no effect only for months that 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 month cam for months of 30 days is arranged so that the second pawl causes two teeth of the thirty-one star at the 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 invention proposes to avoid the boarding of these two pawls. Indeed such a perpetual rocker, with two pawls and their springs, has a significant inertia, which is not conducive to a specific stop.
  • the adjustment of these two pawns with respect to each other is, moreover, rather delicate, and sensitive to shocks as well as to the mishandling that the timepiece may undergo, in particular when the user manipulates it with around midnight.
  • the invention also proposes to develop 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 shows, less cluttered with complications.
  • the invention relates to a date mechanism for a timepiece, which comprises a movement arranged to control once a day a pivoting movement of a perpetual rocker, which comprises said date mechanism, said mechanism comprising a 12 perpetual cam having twelve sectors corresponding to the successive months and of different radial dimension according to the duration of each month, which performs one turn per year, characterized in that said mechanism comprises means for driving said cam of twelve perpetual, and further characterized in that said mechanism is single-ratchet and comprises a single ratchet finger, articulated to said perpetual rocker and arranged to cooperate with a set of teeth that comprises a thirty-one ratchet wheel pivotally mounted about a pivot axis a first cam of thirty-one spiral, and a second cam having a radial finger, said first being arranged to directly or indirectly control a date display means, said mechanism comprising again, to determine each day the number of teeth of said wheel to be actuated, a position downmeter determined by that of said second cam and arranged to adjust the duration of the
  • said up-down mechanism comprises a first insulator which is pivotally mounted around a pivot and comprises a feeler finger for measuring the duration of the current month on said cam of twelve perpetual, and which still bears, articulated to one of its arms at a pivot, a lever mounted crazy and pivotable, substantially tangentially to said second cam and which comprises at a distance from said pivot a pin arranged to cooperate on the side of said pivot axis of said wheel of thirty and one with said second cam, and, on the side opposite said axis with a first arm of a second insulator pivotally mounted at a pivot which comprises a plate or a bridge of said movement or said part or said mechanism, said second insulator comprising a second arm arranged to, according to its position, allow, limit, or prohibit the cooperation of said spout of said pawl finger with said wheel.
  • said second arm of said second insulator comprises a notch arranged to allow the escape of said pin of said pawl finger to disengage said nose of said wheel.
  • said second arm of said second insulator comprises an outer bearing face on the opposite side to said pivot axis arranged to form a bearing face of said pin.
  • said first arm of said second insulator is arranged to constitute an abutment to said pin.
  • said date mechanism comprises a pivotally mounted control lever at a pivot which comprises a plate or a bridge of said movement or of said part or said mechanism, said control lever comprising a probe arranged to follow said first cam, which pivots said control lever for to drive said date display means by a drive member, and said control lever further comprises, pivotally mounted on a pawl pivot, a hook arranged to drive said twelve-year-old cam at each end of the month .
  • said date mechanism comprises is an instantaneous date mechanism by a sudden daily action, at midnight, of an instantaneous mechanism arranged to pivot said perpetual flip-flop instantaneously.
  • said instantaneous mechanism comprises a barrel, which carries a plurality of pins each arranged to interact with a feeler finger that includes said perpetual flip-flop, to rotate it instantaneously.
  • the invention also relates to a timepiece comprising a movement, and comprising such a date mechanism, characterized in that said movement is arranged to control once a day a pivoting movement of a perpetual rocker, that includes said mechanism of date.
  • 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 described here in the particular case of a retrograde instantaneous calendar, it is transposable to any instantaneous date.
  • the invention relates to a date mechanism 100 for timepiece 1000, which comprises a movement 200.
  • This date mechanism 100 comprises different insulators and latches, the form of which is 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.
  • the person skilled in the art knows how to transpose the daily periodicity detailed here at other time periods.
  • the invention can be used for particular calendars, by replacing the control elements described here with 12 months a year from 28 to 31 days, by other control members with a number of different periods, and amplitudes of different duration.
  • the movement 200 is arranged to control once a day a pivoting movement of a perpetual rocker 2, that includes the date mechanism 100.
  • This mechanism 100 comprises a perpetual twelve cam 9 having 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.
  • it comprises a mechanism for adjusting the duration of the month of February according to the normal or leap years, or, in another variant, in addition, common end years. of century.
  • the mechanism 100 comprises means for driving the cam of twelve perpetual 9.
  • the mechanism 100 is mono-ratchet and comprises a single pawl 1 articulated at a pivot 62 at one end of the perpetual rocker 2, and arranged to cooperate with a toothing that includes a ratchet wheel 31, called thirty-one, integral pivotally about a pivot axis D of a first cam 4 said thirty-one spiral, and a second cam 29 having a radial finger 29A.
  • This first cam 4 is arranged to directly or indirectly control a display means 412 of the date.
  • This mechanism 100 further comprises, to determine each day the number of teeth of the wheel 31 to be actuated, a downmeter 300 of position determined by that of the second cam 29 and arranged to adjust the duration of the cooperation between the ratchet finger 1 and the wheel 31 according to the current month and the day of the current month.
  • the mechanism 100 is an instantaneous date mechanism by an abrupt daily action, at midnight, of an instantaneous mechanism 92 arranged to rotate the perpetual rocker 2 instantaneously.
  • this date mechanism 100 comprises a perpetual rocker 2, which is pivoted along an axis 72 relative to the plate or a bridge of the timepiece 1000, and a sudden pivoting movement is controlled once a day by the movement 200.
  • this perpetual rocker 2 can cooperate with a finger of a 24-hour wheel, which rotates it once a day, one of its arms then actuating a star of 7 positioned by a jumper , for displaying the day of the week.
  • the instantaneous mechanism 92 comprises a barrel 32, which carries a plurality of pins 321 each arranged to interact with a finger probe 22 that includes the perpetual rocker 2, to rotate the instantly.
  • the perpetual rocker 2 pivots, every day at midnight, under the action of an instantaneous mechanism 92 with a barrel 32, which carries pin 321 which interact with a finger probe 22 of the perpetual rocker 2, to rotate this one instantly.
  • the invention eliminates the period of 22 hours to 24 hours, which, usually on timepieces date, devolves to the change of date, and during which other manipulations are discouraged or prohibited.
  • the ratchet finger 1 fills only the perpetual calendar activation function, in cooperation with the wheel 31.
  • This pawl finger 1 is arranged to cooperate, during the daily pivoting of the perpetual rocker 2, with a so-called thirty-one ratchet wheel 31 in continuous rotation, non-retrograde, which is conjugate, pivotally integral about an axis of rotation. pivoting D, to a first cam 4 spiral cam said thirty-one, and a second cam 29 having projecting beyond a first radius R3, a radial finger 29A said thirty-one finger of a second radius R4 greater than R3.
  • the ratchet finger 1 is biased in the direction of the pivot axis D by a spring 41.
  • this thirty-one wheel is continuously rotating, non-retrograde, which explains why the invention can be used for a retrograde calendar or not.
  • this function is performed downstream of the thirty-one wheel.
  • the ratchet finger 1 rotates, by a spout 51 that it comprises, the wheel 31 by one step, until the 28th of the month. At the end of the month, the correction is variable according to the month displayed in progress, and the ratchet finger 1 causes more or less teeth of the wheel 31.
  • This ratchet finger 1 is bent between the pivot 62 and its beak 51, and includes, located substantially at its elbow, a pin 61 projecting.
  • a cam 9, said cam of twelve perpetual, is driven by the date mechanism 100 itself, as will be explained later, and performs one revolution per year.
  • This cam 9 is coaxial with a wheel 59 with 4 teeth, and a ratchet wheel 69 with twelve teeth.
  • the cam 9 carries a leap cam 79, such as Maltese cross or the like, whose pivoting is controlled by the wheel 59 with 4 teeth.
  • the assembly constituted by the cam 9 and the wheel 59 carries, or causes, a display indicator of the month.
  • the up-down mechanism 300 comprises a first isolator 3 which is pivotally mounted about a pivot 63 and includes a feeler finger 53 for measuring the duration of the current month on the perpetual twelve cam 9.
  • This first isolator 3 still carries, articulated to one of its arms 43 at a pivot 73, a lever 5.
  • This lever 5 is mounted crazy and pivotable, substantially tangentially to the second cam 29, and comprises at a distance from the pivot 73 a pin 6 arranged to cooperate, on the side of the pivot axis D of the wheel 31 with the second cam 29, and on the opposite side to the axis D with a first arm 77 of a second insulator 7.
  • This second insulator 7 is pivotally mounted at a pivot 57 which comprises a plate or a bridge of the movement 200 or the workpiece 1000 or the mechanism 100.
  • This second insulator 7 comprises a second arm 67 arranged to, according to its position, allow, limit, or prohibit the cooperation of the spout 51 of the ratchet finger 1 with the wheel 31.
  • the mechanism 100 further comprises a first isolator 3, pivotally mounted at a pivot 63 relative to the plate or to a bridge of the movement 200 or the timepiece 1000.
  • This first insulator 3, here substantially Y-shaped, comprises a plurality of arms, one of which carries a finger picking pin 53 month information on the periphery of the cam 9 of twelve perpetual, which allows it to take a determined angular position.
  • the first isolator is subjected to the action of a spring 13, which gives it a torque tending to permanently press the feeler 53 onto the cam 9.
  • a main arm 83 is disposed in the vicinity of the pawl 1 and the wheel 31, between the pivot axis D thereof and the perpetual rocker 2, and, because of the reading performed by the probe 53, this arm main is positioned at a certain angle with respect to the ratchet finger 1 and the wheel 31.
  • An outer arm 43 is connected to this main arm 83, also located between the pivot axis D of the wheel 31 and the perpetual rocker 2, and carries, at an end opposite the main arm 83, a pivot 73 for the articulation a lever 5.
  • This lever 5 carries, at an end opposite this pivot 73, a pin 6.
  • This pin 6 is arranged to limit the angular pivoting stroke of the lever 5 relative to the main arm 83, with which it can cooperate abutting at a lateral surface 93, which allows only a limited mobility of this lever 5 towards the pivot axis D of the wheel 31.
  • the pin 6 of the lever 5 is further arranged to limit the angular pivoting stroke of the lever 5 relative to a second insulator 7, with which this pin 6 can cooperate abutting at a first arm 77 of the second insulator 7 .
  • This pin 6 is, again, located on the path of the second cam 29.
  • this second insulator 7 is pivotally mounted and driven at a pivot 57 relative to the plate or to a bridge of the movement 200 or the timepiece 1000.
  • This pivot 57 is interposed between the pivot axis of the cam 9, the pivot axis D of the wheel 31, and the perpetual rocker 2.
  • This second insulator 7 comprises a first arm 77 facing the pivot 73 between the first insulator 3 and the lever 5. This first arm 77 can abut, at a bearing face 47, on the pin 6 that carries the lever 5, to limit the stroke of the second insulator 7.
  • a spring 37 recalls this first arm 77, and therefore, via its pin 6, the lever 5 towards the pivot axis D.
  • the main arm 83 of the first isolator 3, adjacent to the outer arm 43, is arranged to constitute a limitation of stroke to the pin 6 on the same side as the first arm 77 of the second insulator 7, this pin 6 being arranged to cooperate in abutment with this first arm 77.
  • This second insulator 7, here V-shaped, comprises a second arm 67, directed towards the perpetual rocker 2.
  • This second arm 67 has an outer bearing face 97 on the opposite side to the pivot axis D, which is arranged to form a bearing face of the pin 61.
  • This second arm 67 has a notch 87 arranged to allow the pin 61 to escape from the ratchet pin 1 to disengage its spout 51 from the wheel 31.
  • This second arm 67 has a lateral bearing surface 97 called outer, turned on the opposite side to the first arm 77, and on which can support the pin 61 of the ratchet finger 1 in certain relative positions between the ratchet finger 1 and the second insulator 7, while in other relative positions between the ratchet finger 1 and the second insulator 7, this pin 61 can pass under the second arm 67 at the level of this notch 87.
  • the main arm 83 can occupy four different positions, depending on whether the current month is 28, 29, 30, or 31 days.
  • the positions occupied by the main arm 83, between the pivot axis D of the wheel 31 and the pivot 57 of the second insulator 7, are substantially parallel to each other, and identified only values 28, 29, 30, 31, corresponding to the number of days in the current month.
  • the main arm 83 occupies the position corresponding to this duration.
  • the lever 5 is pivotally mounted to the end of the outer arm 43, and its position is limited, on the side of the pivot axis D of the wheel 31, by the periphery of the second cam 29, which constitutes a stop for the pin 6 that includes the lever 5, at its end opposite its pivot 73 with the first insulator 3.
  • This pin 6 itself constitutes a travel limiter for the first arm 77 of the second insulator 7, which is biased by a spring towards the pivot axis D of the wheel 31.
  • the second insulator 7 is then immobilized in a position where it constitutes a barrier for the passage of the ratchet finger 1.
  • its second arm 67 tends to oppose the passage of the pin 61 that carries the pawl finger 1, its outer bearing surface 97, or a so-called inner opposed bearing face 37, according to the relative positions.
  • the position of this second arm 67 determines the possible range of interference between the nose 51 of the pawl 1 and the wheel 31.
  • This interference domain defines exactly the number of teeth of the pawl 1 and the second insulator 7. the wheel of 31 that can hang this beak 51, when the ratchet finger 1 slides along the second insulator 7, during the pivoting movement of the perpetual rocker 2.
  • the free passage of the pin 61 of the ratchet finger 1 along the outer bearing surface 97 is possible on the first twenty-seven days of the month, since the lever 5 and the arm 77 are as close as possible to the pivot axis D of the wheel 31, and the second arm 67 does not prevent the ratchet finger 1 to get close enough to the wheel of thirty-one to shift a tooth under the effect of the movement of the perpetual rocker 2.
  • the spout 51 can only catch one tooth of the wheel 31 at a time.
  • the position of the main arm 83 of the first isolator 3 determines the position of the pin 6 of the lever 5, and thereby determines an angular abutment position of the second insulator 7, and the clearance of the window authorized for the passage of the pin 61 of the lever finger 1 in the notch 87 of the second arm 67 of the second insulator 7.
  • This movement allows the spout 51 of the ratchet finger 1 to hook a tooth for a month of 31 days, two teeth for a month of 30 days , three teeth for a month of 29 days, and four teeth for a month of 28 days.
  • the mechanism 100 further comprises a control lever 12 pivotally mounted at a pivot 612 relative to the plate or to a bridge of the movement 200 or the timepiece 1000 or the mechanism 100.
  • This control lever 12 comprises a feeler 512 arranged to follow the first cam 4, which pivots the control lever 12 to drive the date display means 412 by a drive member 612.
  • This control lever 12 further comprises pivotally mounted on a pawl pivot 712, a hook 8 arranged to drive the cam of twelve perpetual 9 at the end of each month.
  • This control lever 12 here substantially S-shaped, carries, in its middle part, firstly this probe 512 arranged to follow the profile of the first cam 4 of thirty-one under the effect of a spring 312 , and on the other hand this hook 8, pivoting at a pivot 712.
  • the position of radial extension of the probe 512 is significant of the date, and in particular of the new date, as soon as that the ratchet finger 1 controlled by the perpetual rocker 2 has completed its pivoting control of the thirty-one wheel by driving one or more teeth thereof, before returning to the rest position, recalled by the return of the rocker perpetual 2 in its own rest position under the action of its return spring.
  • the control lever 12 further comprises, for the display of the instantaneous calendar, a toothed sector 912, here opposite to the pivot 612, and cooperating with a pinion 412 for the direct or indirect display of the date, for example through a needle or the like.
  • the pivoting movement of the wheel 31, and thus of the first cam 4 indirectly drives the hook 8, which is arranged to cooperate with the ratchet 69 of twelve teeth, and to pull it to correct the display of the month, when the first cam 4 jumps from its largest to its smallest diameter, which rotates the ratchet 69 one step.
  • the perpetual rocker 2 still controls, by a spout 42 or the like, the pivoting of a star 420 of the day of the week, held by a pawl 421 or by a jumper.
  • This star 420 carries or drives a display of the name of the day of the week.
  • the spout 51 thereof is located, relative to the straight line from the pivot axis D of the wheel thirty-one and passing through the instantaneous position of the pivot 62 of the pawl finger 1 at the end of the perpetual rocker 2, the same side as the pivot 57 of the second insulator 7, as visible on the figure 3 .
  • This straight line then forms an angle ⁇ with respect to a reference direction AA.
  • the pin 61 of the pawl 1 is located near the second arm 67 of the second insulator 7, and is close to the bearing face of the second arm 67 of the second insulator 7, without touching it when the perpetual flip-flop 2, and therefore the feeler finger 1, is in the rest position.
  • This second arm makes an angle ⁇ with the reference direction AA.
  • the first arm 77 of the second isolator is, meanwhile, biased towards the pivot axis D of the thirty-one wheel by a spring 37.
  • the action of the second cam 29 on the lever 5 tends to rotate the on the last day of the current month, with respect to its pivot 73 of the first isolator 3.
  • this first isolator 3 The angular position of this first isolator 3 is fixed, within a given month, since this first isolator 3 takes its position by its probe 53 on the cam 9 months. Throughout the year, the position of this pivot 73 evolves so, as visible on the figure 3 on a circle centered on the pivot 63 and of constant radius R0, and taking angular positions ⁇ 28, ⁇ 29, ⁇ 30, ⁇ 31, according to the current month and the reading made by the probe 53, corresponding to the pivot positions 73A, 73B, 73C, 73D, visible on the figure 3 .
  • the position of the pin 6 of the lever 5 is situated on a circle centered on the pivot 73, and of radius R1 corresponding to its constant spacing with this pivot 73.
  • the pin 6 bears on the periphery of the second cam 29, whose radial position changes between a small radius R3 and a large radius R4.
  • the position of the pin 6 is variable between the positions 6A3 and 6A4 in a month of 28 days, between the positions 6B3 and 6B4 for a month of 29 days, between the positions 6C3 and 6C4 for a month of 30 days, and between positions 6D3 and 6D4 for a month of 31 days.
  • the support of the first arm 77 of the second insulator 7 on the pin 6 is therefore conditioned by this position of the pin 6, and the angle ⁇ that the second arm 67 with the direction AA also, as visible on the figure 3 , where two X and Y positions of the second insulator 7, the 67X and 77X dotted position, and the 67Y and 77Y dashed position are shown.
  • This figure 3 still shows the variation of position of the pivot pin 62 of the ratchet finger 1 on the perpetual rocker 2, along a radius R2 relative to the pivot axis 72 of the latter, between a rest position 62R and a current position 62 .
  • the figure 3 shows that, the longer the current month, the smaller the corresponding angle ⁇ , and the smaller the corresponding angle ⁇ .
  • the second insulator 7 remains plated near the first radius R3 of the cam 29.
  • the second isolator 7 pivots, since the finger 29A of the cam 29 pushes out the lever 5 and the pin 6, and therefore also pushes the first arm 77 of the second insulator 7, which takes its most eccentric position relative to the pivot axis D, that is to say that the pin 6 comes, depending on the month, occupy one of the positions 6A4, 6B4, 6C4, 6D4, the figure 3 , which is represented with the positions of the second insulator 7 during the passage of 6D3 at 6D4, and the angle of the second arm 67 with the direction AA then passing from the value ⁇ X to the value ⁇ Y which is lower.
  • This second arm is then raised.
  • the pin 61 does not run along this arm, but passes through the notch 87 before the spout 51 leaves one of the teeth of the wheel 31.
  • the spout 51 comes resting on the main arm 83 of the first isolator at the end of arming the perpetual rocker 2.
  • the pin 61 then passes to the other side of the second arm 67, and seeks its position. According to the distance of the pivot 73, caused by the displacement of the first insulator 3 according to the current month, the number of teeth to be hooked by the spout 51 is then variable, two, or three, or four.
  • the feeler 512 falls on the snub of the cam 4, from the largest to the smallest diameter, triggering a retrograde movement, a return rake 912, and the date then displays, at the pinion 412, the first of a new month, while the hook 8 drives the cam of twelve perpetual 9 for the display of the new month, and thus change the angular position the first isolator 3 as a function of the new reading made by its probe 53.
  • FIGS. 10 to 27 illustrate the operation of the up-and-down mechanism 300 at particular dates, making it possible to display the respective positions of the ratchet finger 1, the second insulator, and the cams 4 and 29.
  • the Figures 10, 11, 12 show the mechanism 300 in the rest position on November 30th.
  • the feeler 53 is on the 30-day month level of the cam 9.
  • the pivot 73 is then in position 73C of the figure 3 .
  • the probe 512 is close to the maximum radius of the cam 4.
  • November 30 is the last day of November, so the finger 29A of the cam 29 pushes the lever 5, its pin 6 which passes from the position 6C3 to the position 6C4 of the figure 3 , and therefore the first arm 77 of the second insulator 7, which is therefore pivoted according to the angle ⁇ Y of the figure 3 .
  • the figure 12 shows the finger 61 still in the vicinity of the bearing face 97, and near the notch 87.
  • the Figures 13, 14, 15 represent the mechanism 300 in activation, before the passage of the finger 61 in the notch 87 of the second insulator 7, the same date of November 30. We see the finger 61 engage in the notch 87.
  • the probe 512 falls from the largest to the smallest radius of the rod 4, the control lever 12 performs its retrograde movement, and the hook 8 that it carries pulls the ratchet 69 to display the new month in progress, both at the cam 9 for the control of the mechanism 300, as for the display of the month if the piece 1000 is equipped with such display means, that it is sufficient to couple to the pivoting axis of the wheel 69.
  • the toothed sector 912 brings the pinion 412 date display of the date to the first of the month.
  • the Figures 19, 20, 21 show the mechanism 300 in activation, during the passage of the finger 61 in the notch 87, dated December 31.
  • the probe 53 is supported on a sector of smaller radius of the cam 9, corresponding to a month of 31 days.
  • the cam 9 will rotate to the neighboring sector, which also corresponds to a month of 31 days, which is the month of January.
  • the Figures 22, 23, 24 show the mechanism in activation, at the maximum of the arming, on December 1, which is an ordinary day, where the finger 61 can not pass through the notch 87, and can only slide on the bearing face 97 during the movement of the perpetual rocker 2, and hook the single tooth of an ordinary day change, as visible on the Figures 25, 26, 27 , which show this passage of date from December 1 to 2, during which the finger 61 can not cross the notch 87 and slides on the face 97.
  • the invention also relates to a timepiece 1000 comprising a movement 200, and comprising such a date mechanism 100.
  • this movement 200 is arranged to control once a day a pivoting movement of a perpetual rocker 2, that includes the date mechanism 100.

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  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP11159239.0A 2011-03-22 2011-03-22 Single-ratchet instant perpetual calendar Active EP2503411B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11159239.0A EP2503411B1 (de) 2011-03-22 2011-03-22 Single-ratchet instant perpetual calendar
US13/424,532 US8711658B2 (en) 2011-03-22 2012-03-20 Instantaneous single click perpetual date mechanism
JP2012065129A JP5537585B2 (ja) 2011-03-22 2012-03-22 瞬時単こはぜ万年日付機構
CN201210078428.9A CN102692864B (zh) 2011-03-22 2012-03-22 瞬时单棘爪万年历机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11159239.0A EP2503411B1 (de) 2011-03-22 2011-03-22 Single-ratchet instant perpetual calendar

Publications (2)

Publication Number Publication Date
EP2503411A1 true EP2503411A1 (de) 2012-09-26
EP2503411B1 EP2503411B1 (de) 2014-12-03

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EP11159239.0A Active EP2503411B1 (de) 2011-03-22 2011-03-22 Single-ratchet instant perpetual calendar

Country Status (4)

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US (1) US8711658B2 (de)
EP (1) EP2503411B1 (de)
JP (1) JP5537585B2 (de)
CN (1) CN102692864B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3009893A1 (de) 2014-10-13 2016-04-20 Montres Breguet SA Ewiger Kalender mit Ausgleichsgetriebe
EP3734372A1 (de) * 2019-05-02 2020-11-04 Patek Philippe SA Genève Betätigungsvorrichtung eines zahnrads in einem uhrwerksmechanismus

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH710563A2 (fr) * 2014-12-29 2016-06-30 Montres Breguet Sa Quantième perpétuel.
EP3098671B1 (de) * 2015-05-27 2019-10-09 Montres Breguet S.A. Mondphasen-anzeigemechanismus einer uhr
DE102016125650B4 (de) * 2016-12-23 2018-10-31 Lange Uhren Gmbh Mechanischer Jahreskalender
EP3410232B1 (de) * 2017-05-29 2021-07-21 Montres Breguet S.A. Uhrwerksmechanismus
EP3540524B1 (de) * 2018-03-13 2022-02-16 Montres Breguet S.A. Springender und regulierter uhranzeigemechanismus
EP3584643B1 (de) * 2018-06-19 2020-11-11 Manufacture d'Horlogerie Audemars Piguet SA Augenblicklich schaltende steuervorrichtung für datumsanzeige von uhren
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
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.
EP4189490A1 (de) * 2020-07-30 2023-06-07 Montres Breguet S.A. Sympathische zeitnahmeanordnung

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Publication number Priority date Publication date Assignee Title
US563268A (en) * 1893-03-06 1896-07-07 Perpetual calendar for watches or clocks
EP1818738A2 (de) * 2006-02-14 2007-08-15 Franck Müller Watchland SA Vierhundertjähriger ewiger Kalender
WO2009004423A2 (fr) * 2007-07-04 2009-01-08 Patek, Philippe Sa Dispositif d'actionnement dans sa chute d'une grande bascule de commande de l'affichage d'un quantieme instantane d'une piece d'horlogerie munie d'un mecanisme de quantieme perpetuel ou seculaire
CH698310B1 (de) * 2005-03-24 2009-07-15 Lange Uhren Gmbh Datumschaltung.

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JPS4815092Y1 (de) * 1967-12-08 1973-04-25
CH660440GA3 (fr) 1985-01-23 1987-04-30 Dubois & Depraz Sa Mécanisme de quantième perpétuel
DE3505733C1 (de) * 1985-02-20 1986-10-23 IWC International Watch Co AG, Schaffhausen Uhr
CH691088A5 (fr) * 1997-03-27 2001-04-12 Girard Perregaux Sa Mécanisme de mise à l'heure d'un mouvement d'horlogerie à quantième perpétuel.
EP1349020A1 (de) * 2002-03-28 2003-10-01 Manufacture Roger Dubuis S.A. Uhr mit Kalender
DE60314752T2 (de) * 2003-10-13 2008-04-10 Daniel Roth Et Gerald Genta Haute Horlogerie S.A. Ewige oder jährliche Kalenderuhr mit einem mechanismus zur Anzeige der Nummer der Tage im aktuellen Monat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US563268A (en) * 1893-03-06 1896-07-07 Perpetual calendar for watches or clocks
CH698310B1 (de) * 2005-03-24 2009-07-15 Lange Uhren Gmbh Datumschaltung.
EP1818738A2 (de) * 2006-02-14 2007-08-15 Franck Müller Watchland SA Vierhundertjähriger ewiger Kalender
WO2009004423A2 (fr) * 2007-07-04 2009-01-08 Patek, Philippe Sa Dispositif d'actionnement dans sa chute d'une grande bascule de commande de l'affichage d'un quantieme instantane d'une piece d'horlogerie munie d'un mecanisme de quantieme perpetuel ou seculaire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3009893A1 (de) 2014-10-13 2016-04-20 Montres Breguet SA Ewiger Kalender mit Ausgleichsgetriebe
US9448534B2 (en) 2014-10-13 2016-09-20 Montres Breguet S.A. Perpetual calendar with a differential mechanism
EP3734372A1 (de) * 2019-05-02 2020-11-04 Patek Philippe SA Genève Betätigungsvorrichtung eines zahnrads in einem uhrwerksmechanismus

Also Published As

Publication number Publication date
US20120243382A1 (en) 2012-09-27
CN102692864A (zh) 2012-09-26
US8711658B2 (en) 2014-04-29
JP5537585B2 (ja) 2014-07-02
JP2012198213A (ja) 2012-10-18
CN102692864B (zh) 2014-11-12
EP2503411B1 (de) 2014-12-03

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