EP3040788B1 - Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige - Google Patents

Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige Download PDF

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Publication number
EP3040788B1
EP3040788B1 EP14200610.5A EP14200610A EP3040788B1 EP 3040788 B1 EP3040788 B1 EP 3040788B1 EP 14200610 A EP14200610 A EP 14200610A EP 3040788 B1 EP3040788 B1 EP 3040788B1
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EP
European Patent Office
Prior art keywords
mobile
disc
display
figures
date
Prior art date
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Application number
EP14200610.5A
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English (en)
French (fr)
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EP3040788A1 (de
Inventor
Stefan Rombach
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.)
ETA Manufacture Horlogere Suisse SA
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ETA Manufacture Horlogere Suisse SA
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Application filed by ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to EP14200610.5A priority Critical patent/EP3040788B1/de
Priority to JP2015253361A priority patent/JP6209202B2/ja
Priority to US14/982,379 priority patent/US9733619B2/en
Priority to CN201521129752.4U priority patent/CN205609098U/zh
Priority to CN201511020195.7A priority patent/CN105739282B/zh
Publication of EP3040788A1 publication Critical patent/EP3040788A1/de
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Publication of EP3040788B1 publication Critical patent/EP3040788B1/de
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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
    • 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
    • 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
    • G04B19/25366—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 manually corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to a display mechanism of the date, and in particular a date display mechanism of the "big date” type. It relates more particularly to a bi-directional clutch mechanism between two display mobiles.
  • the conventional date display devices for timepieces, and in particular portable wristwatches most often use a ring of the annular calendar comprising 31 regularly distributed display sectors, each of the sectors comprising an indication corresponding to the one of the possible dates of the month.
  • the date disc is indexed by one position every day, so as to show through a window the date value corresponding to each day, which is formed of one or more digits.
  • the angular sector occupied by each indexing position is thus relatively small (360/31 is a little less than 12 degrees), which greatly limits the maximum size of the numbers that can be displayed.
  • a "big date" type display mechanism comprising a ring of units comprising the sequence 0-9 of the units is known, and a tens disk comprising a sequence of 4 digits 0-3 distributed over sectors of about 90 degrees each, like the one described in the patent EP2490083 .
  • This date scheduling mechanism thus uses two separate kinematic chains from the calendar program wheel, driven at a rate of one step each day by a 24-hour wheel, without there being any mutual interaction between the mobile display of tens and that of units. Indeed, each of the 31 gear sectors of the date program wheel meshes selectively plan by plane with each of the mobiles concerned to display each date value during the month.
  • a disadvantage of this type of calendar mechanism is to require a very large number of parts, which are dissociated for the control mechanism and display, and thus greatly encumber the platen. Furthermore, the cross associated with the tens disk has a very small number of teeth, which is detrimental to the reliability gearing because of the large angular steps required during each indexing.
  • An object of the present invention is to provide a date display mechanism free of these known limitations.
  • Another object of the present invention is to provide a new type of date display mechanism of large date type by combining two mobiles for at least some dates, using sequences of indications and display, and a original drive mechanism.
  • a date display device of the big date type for a watch movement comprising a first mobile and a second mobile arranged to display, at least on certain dates, first date values by combination indications carried by the first mobile and indications carried by the second mobile, characterized in that it comprises a first clutch mechanism of the first mobile to the second mobile, and a second clutch mechanism of the second mobile to the second mobile so that, at least on certain dates, the first mobile causes the second mobile, and on some other dates, the second mobile drives the first mobile.
  • An advantage of the present invention is that it makes it possible to modify the cycles and the programming of the display sequences by virtue of the mutual training of each of the mobiles towards each other, and thus to better balance the indications carried by the two. mobile, for example by reporting certain indications of units on a disk of the modified tens.
  • the number of display indications carried by each mobile is exactly the same, which allows to better adjust the size of the characters for a combined display.
  • Another advantage of the proposed solution is to reduce the number of parts necessary for the realization of the display device, by merging the programming functional part with that of the date display itself.
  • the two display mobiles are formed by rotary elements of substantially annular shape, that is to say whose display indications sweep a complete annular segment extending over 360 degrees during a cycle, typically monthly.
  • the indications of the two mobiles are arranged to cover the same annular surface and are superimposed on each other at least for certain calendars, the display is confined in a reduced space and the control mechanism can even advantageously be integrated in the center of the ring to gain compactness.
  • the figure 10 is a schematic view explaining the principle of operation of the two-way clutch mechanism between two display mobiles according to the invention, preferably the first illustrated mobile M1 further to the Figure 1A 2 and the mobile e illustrated in Figure 1B according to a control mechanism preferably using a base movement rotating a road M0 meshing with a driving wheel R performing a complete rotation every 24 hours for a daily indexing of the proposed display device, and an independent corrective mobile B , rotated for example by an external control rod, such as those illustrated on the figure 1C next.
  • a control mechanism preferably using a base movement rotating a road M0 meshing with a driving wheel R performing a complete rotation every 24 hours for a daily indexing of the proposed display device, and an independent corrective mobile B , rotated for example by an external control rod, such as those illustrated on the figure 1C next.
  • the first mobile M1 is thus selectively driven, directly or indirectly, according to the value of the current date, by the driving wheel R 24 hours via a first kinematic chain, while the second mobile M2 is also selectively driven, directly or indirectly and according to the value of the current date, by the same driving wheel 24 hours via a separate and independent second kinematic chain, as according to some mechanisms of the prior art mentioned above.
  • a first movable first clutch mechanism 120 of M1 to M2 second mobile can drive the 2nd mobile M2 by the first mobile M1, without that the latter is directly driven by the wheel coach R 24 hours, and vice versa, for the passage of 1 to 2 nd, 11 th 12 th, and finally the 21 st to 22 th day of the month, a second clutch mechanism 210 of the second mobile M2 to 1 mobile M1 can drive the 1 st mobile M1 M2 by the second mobile, without the latter being directly driven by the driving wheel R 24 hours.
  • These clutch mechanisms are therefore useful, according to the preferred embodiment described, respectively for the second indexing sequence, illustrated by the series of Figures 6A-G following, and the fourth indexing sequence, illustrated by the series of Figures 8A-F following.
  • the figure 10 refers to two sets of two kinematic chains, and two sets of corresponding gear planes. These references will be better understood in view of Figures 3A-B and 4A-B following, illustrating the first main gear plane P1 in which meshes a first main gear D1 of the first movable M1 with a first tooth Rd1 of the drive wheel R, the second main gear plane P2 in which meshes with a second main gear D2 of the second mobile M2 with a second tooth Rd2 of the drive wheel R.
  • the first auxiliary gear plane P1 ' refers to that in which the first auxiliary gear D1' of the first mobile M1 meshes with one of the teeth of the mobile corrector B
  • the 2nd auxiliary gear plane P2 ' refers to one in which engages the 2nd auxiliary teeth D2' of the 2nd mobile M2 with one of the teeth of the mobile corrector B.
  • FIGS. 1A and 1B respectively illustrate two mobiles used for the large date type display according to a preferred embodiment of the invention.
  • the first mobile M1 of the Figure 1A consists of a mobile units conventionally provided with 10 display segments respectively referenced S10, S11, S12, S13, S14, S15, S16, S17, S18 and S19, regularly spaced at the periphery of the first mobile M1, each corresponding to one numbers in series 1-9, that is, the complete set of ten units 0-9 whose number ⁇ 0 ⁇ has been truncated.
  • All the indications i1 of the first series of indications I1 are mutually separated from each other by a first recess V0, in order to facilitate the display by combination with a number of tens d at at least on certain dates, that one will qualify as first Q1 dates.
  • the second mobile M2 of the Figure 1B is a mobile of the modified tens, which in addition to carrying the indications of the 4 digits of dozens of classics (0,1,2,3), also allows the display of the dates ending with the truncated unit (s) of the first mobile M1 , that is to say here only the number "0".
  • This second mobile M2 therefore makes it possible to display the dates 10, 20, and 30 without requiring any combination with the first mobile M1, and these 3 date values are referred to as "second calendars" Q2. -to say full calendar values displayed by the second mobile M2, as opposed to the first calendars Q1 whose display is achieved by combination indications of the first mobile 1 and indications of the 2nd mobile M2.
  • the number of indications of the 2nd series I2 directions is equal to that of the first mobile M1, and the number of display segments, that is to say, 10.
  • Such an arrangement is particularly advantageous for carrying in place of a control device with superposed gear sectors, which allows significant gains in size, especially when each of the two mobile M1, M2 display has a substantially annular shape, that is to say whose geometric shape obtained by scanning all indications during a display cycle corresponds to a ring, releasing from the space in its center to place a control mechanism.
  • the first mobile display M1 and the second display mobile M2 can advantageously be arranged in the form of concentric rings.
  • the first mobile M1 is provided with a first main gear D1 provided for the gearing with a driving wheel, as typically a driving wheel R of 24 hours, illustrated later on in FIG. figure 1C , as well as the second mobile M2, which comprises a second main gear D2 for the gear with the same drive wheel R.
  • each of the first and second mobiles uses exactly the same number of display indications, that is to say the number of first indications i1 of the first set of indications I1 the first mobile M1 is identical to the number of second indications i2 of the second set of indications I2 of the second mobile M2, both equal to 10.
  • These two sets of indications are spread over the same number of display segments which means that each indication is never repeated more once in each cycle, and thus maximize the size of each display segment and thereby the size of the displayed numbers.
  • first number N1 of first display segments of the first mobile M1 that is to say the segments referenced S10 to S19
  • the second mobile M2 that is to say the segments referenced S20 to S29.
  • Such a configuration facilitates the gear mechanism, and moreover the size of each digit or each space carried by each mobile can have an optimal size: it will indeed be noted that the sizes of the first, second and third recesses V0, V1 , V2 of the tens digit d, and the first and second digits of u1-u2 units can all be identical, both in size and angular sector occupation which makes the display particularly homogeneous and reliable indexing for each of the two mobiles, and not only the mobile units as in the prior art.
  • a second u2 sequence U2 of second digits u2 ⁇ 0,1 ⁇ of the first set of indications I1 of the first mobile M1 is truncated by deleting the indication "1" at the display segment referenced S11 of the first mobile M1
  • a second mobile M2 modified tens carrying a second set of indications I2 ⁇ 01,0X, 10,11,1X , 20,21,2X, 30,31 ⁇ modified - the value "X” then indicating only a third recess V2 or any digit value, which would be superimposed a figure from the 1st series of indications I1 of the first mobile M1, the 2nd recesses V1 having been removed - without changing the programming mechanism described below, and in particular nothing to the first clutch mechanism 120 or the second clutch mechanism 210.
  • the figure 1C illustrates a top view of a drive mechanism intended to be integrated inside the space released in the center of the two mobiles M1, M2 display. It distinguishes the road M0 movement, which drives, through a gear ratio appropriate, a driving wheel R 24 hours so that the latter makes exactly one full turn each day.
  • This driving wheel further comprises a daily gear sector Re in which are preferably arranged two teeth in two different gear planes, that is to say the first gear tooth Rd1 and the second gear tooth.
  • a corrective mobile B commonly called a "walkman"
  • a corrective mobile B comprises a series of four correction teeth - first correction tooth b1, second correction tooth b2, third correction tooth b3 and fourth correction tooth b4 - 90 mutually spaced apart. degrees, to provide good gear safety and sufficiently fast scrolling when it is actuated, for example by means of a ring.
  • teeth of the corrector mobile B are intended to drive respectively with a first auxiliary toothing D1 'of the first mobile M1, and a second auxiliary toothing D2' of the second mobile M2, located in gear planes separate from those of the main teeth, as illustrated. further using pairs of Figures 3A-3B and 4A, 4B .
  • the direct connection of the corrective mobile B to the first auxiliary toothing D1 'of the first mobile M1, and respectively to the second auxiliary toothing D2' of the second mobile M2 form a first auxiliary kinematic chain C1 'and a second auxiliary kinematic chain C2' completely disjointed corresponding main kinematic chains for each display mobile.
  • the corrective mobile B can be located in any angular sector inside the space released in the center of the display rings of the first mobile M1 and the second mobile M2, which leaves a great flexibility of arrangement among the 9 possible positions.
  • the auxiliary teeth can then be obtained by simple circular rotation relative to the main teeth.
  • the diametrically opposite position of the correction mobile B and the driving wheel R of 24 hours corresponds to a particular case but is not an essential configuration for carrying out the invention.
  • a first jumper J1 and a second jumper J2 mutually superimposed but dissociated from each other are planned; they are arranged at a given display segment and are interposed between two teeth of the teeth of each mobile.
  • each jumper preferably extends over the main gear planes and auxiliary gear of each mobile, so that the holding in an indexed position can always be performed for each mobile, that is to say say the first mobile M1 and the second mobile M2, in the proposed configuration with a drive wheel R of 24 hours and a correction mobile B diametrically opposed, because the jumper of each mobile (J1 for M1, and J2 for M2) will always be supported, between two consecutive display segments, on at least a first tooth of a main or auxiliary gear plane of this mobile and a second tooth of a plane of main or auxiliary gear of this mobile.
  • the main and auxiliary teeth of each mobile simultaneously present two toothless gear sectors consecutive with such a 24-hour drive wheel arrangement R and correction mobile B.
  • the figure 1D shows a preferred version of a holding plate P for the drive elements illustrated in FIG. figure 1C previously described. Dotted lines are arrows pointing on the axes of the correction mobile B, the roadway M0, and the driving wheel R of 24 hours.
  • the holding plate P contains, according to this preferred embodiment, a fixed gear sector K extending substantially over the width of a display segment and which is intended, as will be seen with the aid of FIG. sequence of gear illustrated on the series of figures 6 following, in particular to allow the passage from the date to the top ten thanks to a clutch element preferably consisting of a flexible blade of the type of the first lamella L1 illustrated on the Figure 1A .
  • the angular positioning of the drive pins depends on the relative position between the window, the fixed gear sector K, and the first flexible lamina L1 on which the latter acts to rotate the 2nd mobile M2, pushing this first lamella L1 radially outwardly in a so-called "PE" drive position, illustrated in detail by the figure 6G ;
  • the proposed configuration thus corresponds to that of a gear sector positioned at approximately 11 o'clock, and a blade disposed at the level of the display segments corresponding to those of the unit unit "0" truncated for a window of display arranged at 9 o'clock on the dial;
  • the Figures 2C and 2D respectively show a view from below and from above of the first mobile M1 of the units in which, apart from the sequence of first digits u1 of units 1-9, there is also a first lamella L1 for driving the second mobile M2 using the three tabs T1, T2, T3 described above, integral with the mobile e 2, and according to the same principle as for Figures 2A and 2B previous, a main and auxiliary gearing intended to mesh in separate planes with the drive wheel R of 24 hours for a daily gear, and with a correction mobile B for manual correction of the date on request.
  • the first main gear D1 is identical to that shown on the Figure 1A with 10 equal-divided display segments, for meshing in a main plane P1 with the driving wheel R of 24 hours.
  • this gear plane there are a toothless sector referenced a1, designed to allow indexing of the 2nd mobile while leaving the 1st mobile immobile M1.
  • This type of indexing is in the preferred embodiment described, essential for the passage of the 31 th calendar one month at 1 day of the following month.
  • the first auxiliary toothing D1 ' is intended to mesh in a first auxiliary plane P1 with the corrective mobile B, and there is a toothed sector corresponding a1'. .
  • the first mobile M1 comprises three notches, for the training of the date ending "1" to the date ending in "2" according to the preferred embodiment described.
  • the first notch E1, E2 2nd notch and the third notch E3 are distributed over a cycle of equally spaced segments 10, that is to say regularly distributed into angular sectors of the same value each, the first notch E1 and the third notch E2 being spaced apart by 3 segments, the second notch E2 and the third notch E3 being spaced apart by 3 segments, and therefore the third notch E3 and the first notch E1 being spaced apart by 4 segments.
  • the positioning of this series of notches depends on the position of the 2nd strip L2 on the 2nd mobile M2 and also to that of the dial of the display window.
  • the first notch E1 must be, according to the preferred embodiment described where the second lamella L2 is positioned at the level of the display segment S22 of FIG.
  • Figure 1B Corresponding to an indication "0X", associated with the 3 rd recess V2 configured to drive the first movable M1 when passes from 01-02, such that the second L2 lamina then cooperates with the 2nd notch E2 for the passage the calendar 11 and 12, and finally with the 3rd notch E3 for the date passes from the 21 to 22.
  • the second blade L2 when switching from the 31st day of the month to 1 of the following month, the second blade L2 will be located offset of a segment relative to the first E1 and notch in such a configuration, due to the missing teeth of one mobile e - toothless sector referenced a1 - unlike other calendars ending in "1" preceding the 1 st mobile M1 will not driven by the 2nd mobile M2 to complete the cycle of 31 days of the month.
  • the Figures 3A and 3B respectively show a three-dimensional view of the gear mechanism of the different teeth of the first and second movable with the driving wheel 24 hours and in particular the first main gear D1 meshing in the first main gear plane P1 and the second gearing main D2 meshing into the second main gear plane.
  • the sectional view of the figure 3B showing the particular arrangement of all gear planes, including auxiliary gear planes of each mobile, referenced P1 'for the 1 st mobile and P2' respectively for the two mobile e, with each of the drive teeth in the passage 31 e of the month to 1 day of the next month.
  • the first main set of teeth D1 of the 1 st mobile is supposed to present a toothless sector a1, while the main set of teeth D2 of the 2nd mobile tooth Therefore, the first gear tooth Rd1 of the drive wheel R in the first main plane P1 does not drive the first mobile M1, while the second gear tooth Rd2 of the drive wheel R meshes with the second principal plane P2 with a tooth of the teeth D2 of the two mobile e.
  • the first auxiliary toothing D1 'does not present a tooth on this gear sector either, which makes it possible to separate the different gear planes, which succeed one another in the following order, from high to high.
  • the Figures 4A and 4B similarly illustrate respectively a three-dimensional view of the gear mechanism of the different toothings the first and second movable with the corrector mobile B, and in particular the auxiliary toothings for the same example of the passage 31 e of the month to 1 day of the next month.
  • the correction mobile meshes not in the first and second main gear planes P1, P2 of each mobile, but in a first and a second auxiliary gear plane P1 ', P2', which are juxtaposed and respectively sandwiched between the first and second main gear planes P1, P2, which allows to arrange the corrector mobile with a certain thickness combining the drive teeth of the two mobiles, thus avoiding machining two teeth dissociated in two separate planes but having the same profile, as for the driving wheel R, which reduces production costs.
  • each of the first and second mobile M1, M2 has respectively a first and a second main gear D1, D2 daily gear selectively meshing with a drive wheel R 24 hours depending on the date, that is to say the current date value, depending on the presence or no of a tooth or not.
  • the entrainment wheel R so is the starting point of the first main driveline C1 for driving the first mobile M1, and also the starting point of the 2nd main driveline C2 for driving the 2nd mobile M2.
  • the different teeth of the two mobiles form a first part of the overall programming mechanism, for the respective direct drive of each of the mobiles.
  • the scheduling mechanism of the date display is then completed by the second part consisting of the mutual and bidirectional clutch mechanism between the first and the second mobile at certain dates, or according to the preferred example described and illustrated by the figures. , for the tens of dates (09-> 10, 19-> 20, 29-> 30) and the calendars whose units go from 1 to 2 (01-> 02, 11-> 12, 21-> 22).
  • the first clutch mechanism 120 from the first mobile M1 to the second mobile M2, schematically illustrated in FIG. figure 10 previously described, is thus constituted, according to the preferred embodiment described, by the driving of tenons (respectively first, second and third pin T1, T2, T3) by the first lamella L1 3 times during a cycle of a month of 31 days, the first lamella L1 itself being secured to the first mobile M1 having 10 display segments and therefore having a more restricted cycle of 10 positions indexed at most.
  • An active position of the lamella L1 - referenced “PE” for "driving position” on the figure 6G - is determined by the fixed gear sector K, arranged on the plate P, which extends at least over the width of a display segment and shall allow at least the drive of the mobile e 2 for the transition to tens upper, that is to say the transition from the 9th to the 10th calendar of 19 th to 20 th calendar, and 29 th to 30 th calendar. It will be understood that according to a variant not illustrated, this fixed gear sector K could extend over a width higher and thus maintain the driving position "PE" of the first lamella L1 not only for the passages to the top ten raised, but also the transition from "0" to "1” that follows.
  • the second clutch mechanism 210 of the second mobile M2 to the first mobile M1, also shown schematically in FIG. figure 10 previously described consists, according to the preferred embodiment described, by the drive of oriented notches (respectively first, second and third notches E1, E2, E3) by a second lamella L2, integral with the second mobile M2, and obliquely arranged towards the inner perimeter of the 1st mobile M1.
  • the presence of three notches spaced defined manner (3/3/4 cycle of 10 equidistant angular segments) is necessary to allow the gear 1 to the 2nd and the 11th to 12 and finally 21 to the 22 th and not to train for the last day of the month, the 31st ending also with a number of equal unit to "1".
  • first and second clutch mechanisms 120,210 between the two display mobiles use flexible strips cooperating respectively with tenons and notches
  • a pivoting retractable tooth could replace the first flexible lamella L1 and still be actuated in the active position using the fixed gear sector K, or alternatively be replaced by a long tooth, and also mesh with another type drive element, such as for example a radial advance in the gear plane of the pivoting tooth replacing the tenons, which functionally represent only stop elements, and therefore need not necessarily consist of pins arranged according to the common axis of rotation of the two mobiles, perpendicular to their display plane.
  • the advantage of the preferred embodiment illustrated is that the manufacturing mode of the drive elements, flexible or not, can be achieved by stamping and thus results in significant cost savings.
  • Each of the Figures 5A , 6A , 7A , 8A and 9A , and respectively 5D, 6D, 7D, 8D and 9D show the date of the current displayed through a window practiced in a dial C, and which is formed here by a first window F1 for displaying the digit of the tens of d and a second window F2 for displaying the digit of the units, respectively before and after an indexing step.
  • the dates displayed through the window correspond either to a first date Q1, when the first digit u1 is displayed using indications carried by the first mobile M1, or at a second date Q2, when the units digit is a second digit u2 truncated units of the first date M1, here "0" carried by the second mobile M2.
  • FIGS. 5A, 5B, 5C , 5D, 5E, and 5F illustrate a first sequence of indexing for the date values whose units are between 2 and 9, ie a total of 7 indexations for the passages: 2-3, 3-4, 4-5, 5-6, 6-7 , 7-8 and 8-9.
  • This sequence of indexings is repeated 3 times on a monthly cycle, with the number of units " d " which can be equal to 0, 1 or 2.
  • Figure 5A illustrates the date "02" displayed through a window of the dial C, before indexing, and the Figures 5A and 5B respectively and the relative positions of the first and second mobiles M1, M2, seen from above and from below.
  • the driving wheel R of 24 hours is opposite the first toothed sector a21 of the second toothing D2 of the second mobile, visible on the Figure 5B , which is thus not rotated, while the first set of teeth D1 of the first mobile M1 includes a tooth to be driven by the driving wheel R for each of the dates from 2 to 8. All the calendars displayed during this sequence are first dates Q1 for which first u1 unit numbers are visible in the second display window F2.
  • the second L2 louver is engaged either with the 1 st slot E1, but with the third slot E2 at the end of the first cycle, and it will be understood that the relative position of the first and second mobile M1, M2 transferred from one outlet of the 2nd strip L2 in the 2nd slot E2 for 12 calendar to an outlet in the 3rd notch E3 for the 19th calendar, and a plug of the 3rd notch E3 for the 22nd calendar at a shifted position of a display segment relative to the notch 1 st - such as the figure 5F - the 29th calendar to allow the last indexing of the 5th sequence of 31 th to 1 calendar of the next month explained using the sequence of figures 9 below.
  • FIGS. 6A and 6D illustrate the passage of a first calendar Q1 - 09 here - a second calendar Q2 - here 10. Indeed, if the first digit dozens is always displayed via the mobile e 2, the first digit u1 of unit “9" is displayed by the first mobile M1 then we move on to a second sales unit u2 "0" displayed by either 1 mobile M1 but by the 2nd mobile M2.
  • the two mobiles rotate together, since the first mobile M1 drives the second mobile M2.
  • the first lamella L1 is pushed outward in the active position by the sector fixed gear K of the holding plate P, that is to say the drive position referenced "PE" so that it causes, for the passage to the first ten, the first pin T1.
  • PE drive position referenced
  • a similar mechanism occurs clutch for the passage of each decade, with the same K gear sector, but which respectively push the first lamina L1 PE drive position to the 2nd pin T2 to pass the 19th to 20th calendar calendar, and to the 3 rd pin T3 to pass the 29th to 30th calendar calendar.
  • the clutch mechanism of the second mobile M2 by the first mobile M1 by l intermediate of the first pin T1 driven by the first lamella L1 makes it possible to jointly drive in rotation the second mobile M2 and the first mobile M1 of a display segment in the direction of rotation indicated on the Figures 6B and 6C .
  • the third sequence illustrated by the series of Figures 7A to 7F shows the passage of a second date calendar Q2 again to a first date calendar Q1, since it is the transition from date ending with "0", that is to say a 2 digit u2 e truncated to the first series of indications I1, a calendar ending in "1" which is the first digit of the first unit following indications I1 of the first mobile.
  • the drive mode of the 1st and the 2nd mobile M1, M2 is very simple, since the first main set of teeth D1 of the mobile M1 1st and 2nd main set of teeth D2 of the 2nd mobile M2 each contain a tooth which meshes with the driving wheel R, so that the clutch mechanism according to the invention is not solicited.
  • the Figures 7B and 7C which show respectively a top view and bottom view, show the relative positions of the first and the 2nd mobile M1 and M2, with the direction of rotation of the two mobiles that rotate simultaneously during indexing.
  • the first and second auxiliary teeth D1 'and D2' will be adjusted according to the profile of the first and second main teeth D1 and D2 modified.
  • the Figures 7E and 7D indicate the indexed position of an additional display segment each of the two mobile M1, M2, with the 2nd strip L2 which is still in engagement with the 2nd notch but now two display segments formed below the window by the 1 st F1 display and 2nd display window F2.
  • the angular position of the first mobile M1 would be unchanged, but the 2nd strip of the 2nd mobile M2 would be positioned approximately 3 o'clock on the dial, and in the 3rd notch E3, as if on the figure 7F Only 2nd lamella L2 had been moved to position in the 3rd notch E3.
  • the position of the 1 st mobile M1 is identical to that of Figures 7B / 7C before indexing and 7E / 7F after indexing, and the position of the second mobile M2 would be identical to that it occupies on the Figures 9B and 9C .
  • the fourth indexing sequence illustrated by the Figures 8A-8F corresponds to the indexing of dates whose units end in "1" for calendars whose units end with “2" or between two dates Q1 displayed by combining the 1 st mobile M1 and the 2 nd mobile M2.
  • 1 mobile M1 is positioned such that the first toothing D1 has a toothless sector a1, registered in the Figure 8B
  • calendar for the "31" which also ends with a "1” without the 1st mobile M1
  • Figures 9A-9F which is the object of the 5 th sequence illustrated by Figures 9A-9F following, and which is in fact a special case of 4th sequence described below.
  • the 2nd strip L2 will engage the 3rd notch E3, and the angular position of the 2nd strip L2 will change from a substantially placement to 3 hours on the dial, at a position at 2 o'clock on the dial.
  • the driving wheel R passes from a display segment where the first main toothing D1 of the first mobile M1 is provided with a first sector. toothless a1, a next display segment wherein the second main set of teeth D2 is provided with a toothless sector, namely: the first toothless sector referenced a21 for the 2 nd day of the month (see Figure 5B ), the second sector toothless referenced a22 on the figure 8E for the 12 of the month and finally the third toothless sector referenced a23 to the 22nd of the month.
  • the series of Figures 9A-9F relates to the 5 th and last indexing sequence which, unlike the four indexing sequences previously described, is performed only once a month, unlike the other four, performed 3 times each.
  • the 5 th index sequence is a particular case of the 4 th index sequence in the particular case where the 2nd mobile M2 is driven only by one tooth of the toothing 2 e main D2, while the absence of tooth at the level of the first main gear D1 - edentulous sector referenced a1 on the Figure 9B - and no clutch mechanism between the 2nd and 1 st mobile display that the 2nd mobile M2 rotates alone without 1 mobile M1.

Claims (11)

  1. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs für ein Uhrwerk, umfassend ein erstes Drehteil (M1) und ein zweites Drehteil (M2), wobei das erste und das zweite Drehteil (M1, M2) dafür ausgelegt sind, zumindest an bestimmten Monatstagen erste Datumswerte (Q1) durch Kombination von Anzeigen, die von dem ersten Drehteil (M1) getragen werden, und von Anzeigen, die von dem zweiten Drehteil (M2) getragen werden, anzuzeigen, dadurch gekennzeichnet, dass sie einen ersten Kopplungsmechanismus (120) von dem ersten Drehteil (M1) zu den zweiten Drehteil (M2) und einen zweiten Kopplungsmechanismus (210) von dem zweiten Drehteil (M2) zu dem ersten Drehteil (M1) umfasst, derart, dass zumindest an bestimmten Monatstagen das erste Drehteil (M1) das zweite Drehteil (M2) antreibt und an bestimmten anderen Monatstagen das zweite Drehteil (M2) das erste Drehteil (M1) antreibt.
  2. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach Anspruch 1, dadurch gekennzeichnet, dass das erste Drehteil (M1) eine erste Hauptzahnung (D1) umfasst, die dafür ausgelegt ist, mit einem antreibenden 24-Stunden-Rad (R) über eine erste kinematische Hauptkette (C1) in Eingriff zu sein, und dass das zweite Drehteil (M2) eine zweite Hauptzahnung (D2) umfasst, die dafür ausgelegt ist, mit dem antreibenden 24-Stunden-Rad (R) über eine zweite kinematische Hauptkette (C2) in Eingriff zu sein.
  3. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das erste Drehteil (M1) ferner eine erste Hilfszahnung (D1') umfasst, die dafür ausgelegt ist, mit einem Korrekturdrehteil (B) über eine erste kinematische Hilfskette (C1') in Eingriff zu sein, und dass das zweite Drehteil (M2) eine zweite Hilfszahnung (D2') umfasst, die dafür ausgelegt ist, mit einem Korrekturdrehteil (B) über eine zweite kinematische Hilfskette (C2') in Eingriff zu sein.
  4. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Drehteil (M1) ein Drehteil zum Anzeigen der Einer ist, das eine erste Reihe von Eineranzeigen (I1) trägt, dass das zweite Drehteil (M2) ein Drehteil zum Anzeigen der Zehner ist, dass eine zweite Reihe von Anzeigen (12) aufweist, um zumindest die Zehnerziffern (d) des Datums anzuzeigen, und dass das erste und das zweite Drehteil (M1, M2) durch ringförmige Elemente, die einander überlagert und zueinander konzentrisch sind, gebildet sind.
  5. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Kopplungsmechanismus (120) durch ein erstes Antriebselement, das mit dem ersten Drehteil (M1) fest verbunden ist und das mit einem festen Eingriffsektor (K) zusammenwirkt, um eine Antriebsposition (PE) zu bestimmen, und mindestens ein zweites Antriebselement gebildet ist, das mit dem zweiten Drehteil (M2) fest verbunden ist, wobei das erste Antriebselement dafür ausgelegt ist, das zweite, mit dem zweiten Drehteil (M2) fest verbundene Antriebselement auf Höhe des festen Eingriffssektors (K) anzutreiben.
  6. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach Anspruch 5, dadurch gekennzeichnet, dass das erste Antriebselement, das mit dem ersten Drehteil (M1) fest verbunden ist, durch ein erstes biegsames Plättchen (L1) gebildet ist und dass das zweite Drehteil (M2) eine Mehrzahl von zweiten Antriebselementen umfasst, die durch einen ersten Stift (T1), einen zweiten Stift (T2) und einen dritten Stift (T3) gebildet sind.
  7. Anzeigevorrichtung nach den Ansprüchen 5 oder 6, dadurch gekennzeichnet, dass der erste Kopplungsmechanismus (120) dafür ausgelegt ist, zumindest die Datumswerte, die zu einem höheren Zehnerziffernwert (d) übergehen, anzuzeigen.
  8. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der zweite Kopplungsmechanismus (210) durch ein drittes Antriebselement gebildet ist, das mit dem zweiten Drehteil (M2) fest verbunden ist und mit mindestens einem vierten Antriebselement, das mit dem ersten Drehteil (M1) fest verbunden ist, zusammenwirkt.
  9. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach Anspruch 8, dadurch gekennzeichnet, dass das dritte Antriebselement durch ein zweites biegsames Plättchen (L2) gebildet ist, das mit dem zweiten Drehteil (M2) fest verbunden ist, und dass das erste Drehteil (M1) eine Mehrzahl von vierten Antriebselementen umfasst, die durch eine erste Kerbe (E1), eine zweite Kerbe (E2) und eine dritte Kerbe (E3) gebildet sind.
  10. Anzeigevorrichtung nach einem der Ansprüche 8 oder 9, wobei der zweite Kopplungsmechanismus (210) dafür ausgelegt ist, die Datumswerte anzuzeigen, bei denen die Einerziffern von 1 auf 2 übergehen.
  11. Vorrichtung zum Anzeigen eines Datums des Großdatum-Typs nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einerziffern der ersten Reihe von Anzeigen (I1) und die Zweiten der zweiten Reihe von Anzeigen (12) jeweils auf zehn ersten Anzeigesegmenten (S10-S19) des ersten Drehteils (M1) und entsprechend auf zehn zweiten Anzeigesegmenten (S20-S29) des zweiten Drehteils (M2) regelmäßig verteilt sind.
EP14200610.5A 2014-12-30 2014-12-30 Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige Active EP3040788B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14200610.5A EP3040788B1 (de) 2014-12-30 2014-12-30 Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige
JP2015253361A JP6209202B2 (ja) 2014-12-30 2015-12-25 日付表示ディスク用の結合メカニズム
US14/982,379 US9733619B2 (en) 2014-12-30 2015-12-29 Coupling mechanism for date display discs
CN201521129752.4U CN205609098U (zh) 2014-12-30 2015-12-30 用于手表机芯的大日期日历显示装置
CN201511020195.7A CN105739282B (zh) 2014-12-30 2015-12-30 用于日期显示盘的联接机构

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EP3040788B1 true EP3040788B1 (de) 2017-08-09

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EP3040788B1 (de) * 2014-12-30 2017-08-09 ETA SA Manufacture Horlogère Suisse Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige
EP3316048B1 (de) * 2016-10-28 2020-03-18 Rolex Sa Anzeige- und korrekturmechanismus des zustands von einer pluralität von informationen
EP3339973B1 (de) * 2016-12-21 2019-07-24 Blancpain SA Datumsmechanismus

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JPS4845338A (de) * 1971-10-11 1973-06-28
CH690869A5 (fr) * 1997-08-27 2001-02-15 Jean Marc Wiederrecht Module de quantième pour pièce d'horlogerie.
DE60141212D1 (de) 2001-11-30 2010-03-18 Rolex Sa Verfahren zur Herstellung eines Kalendermechanismus für eine Uhr
EP1369753A1 (de) * 2002-06-06 2003-12-10 Zenith International SA Uhr mit Datumsanzeige
ATE425480T1 (de) 2003-04-02 2009-03-15 Ronda Ag Monatstaganzeigemechanismus für uhrenbewegung
CH700720B1 (fr) * 2003-06-23 2010-10-15 Ronda Ag Engrenage pour mouvement de montre et mécanisme d'affichage du quantième muni d'un tel engrenage.
JP4451634B2 (ja) * 2003-10-31 2010-04-14 シチズンホールディングス株式会社 カレンダー機構
EP1536300B1 (de) * 2003-11-26 2011-06-08 ETA SA Manufacture Horlogère Suisse Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen
JP4546170B2 (ja) * 2004-06-30 2010-09-15 セイコーインスツル株式会社 表示日付機構、及び日付表示機構を備えた時計
EP2490083B1 (de) * 2011-02-17 2013-10-16 Glashütter Uhrenbetrieb GmbH Programmrädchen eines Datumsmechanismus
EP3040788B1 (de) * 2014-12-30 2017-08-09 ETA SA Manufacture Horlogère Suisse Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige

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EP3040788A1 (de) 2016-07-06
CN205609098U (zh) 2016-09-28
US20160195851A1 (en) 2016-07-07
JP2016128809A (ja) 2016-07-14
CN105739282A (zh) 2016-07-06
US9733619B2 (en) 2017-08-15
CN105739282B (zh) 2018-06-22
JP6209202B2 (ja) 2017-10-04

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