EP3040788A1 - Clutch mechanism for date display mobiles - Google Patents
Clutch mechanism for date display mobiles Download PDFInfo
- Publication number
- EP3040788A1 EP3040788A1 EP14200610.5A EP14200610A EP3040788A1 EP 3040788 A1 EP3040788 A1 EP 3040788A1 EP 14200610 A EP14200610 A EP 14200610A EP 3040788 A1 EP3040788 A1 EP 3040788A1
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- EP
- European Patent Office
- Prior art keywords
- mobile
- date
- display
- figures
- indications
- 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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Classifications
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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
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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
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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
- G04B19/25366—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 an annular annular disk 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 clutch mechanism 120, 1 st mobile M1 to the mobile second M2 can drive the 2nd mobile M2 by the first mobile M1, without that the latter is directly driven by the R drive wheel 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 1 to 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 of the date to the top ten thanks to a clutch element preferably consisting of a flexible blade of the type of the first L1 shells 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 tenon 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.
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Abstract
Dispositif d'affichage d'un quantième de type grande date pour mouvement de montre comportant un premier mobile (M1) et un deuxième mobile (M2), agencés pour afficher, au moins à certaines dates, des premières valeurs de quantième (Q1) par combinaison d'indications portées par le premier mobile (M1) et d'indications portées par le deuxième mobile (M2), caractérisé en ce qu'il comprend un premier mécanisme d'embrayage (120) et un deuxième mécanisme d'embrayage (210) entre le premier mobile (M1) et le deuxième mobile (M2) de telle sorte que, au moins à certaines dates, le premier mobile (M1) entraîne le deuxième mobile (M2), et qu'à certaines autres dates, le deuxième mobile (M2) entraîne le premier mobile (M1).Device for displaying a date of the big date type for a watch movement comprising a first mobile (M1) and a second mobile (M2), arranged to display, at least on certain dates, first date values (Q1) by combination of indications carried by the first mobile (M1) and indications carried by the second mobile (M2), characterized in that it comprises a first clutch mechanism (120) and a second clutch mechanism (210). ) between the first mobile (M1) and the second mobile (M2) so that, at least on certain dates, the first mobile (M1) drives the second mobile (M2), and that on certain other dates, the second mobile (M2) mobile (M2) drives the first mobile (M1).
Description
La présente invention concerne un mécanisme d'affichage du quantième, et en particulier un mécanisme d'affichage du quantième de type « grande date ». Elle concerne plus particulièrement un mécanisme d'embrayage bi-directionnel entre deux mobiles d'affichage.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.
Les dispositifs d'affichage de quantième classiques pour des pièces d'horlogerie, et en particulier des montres bracelet portatives, utilisent le plus souvent un disque des quantième annulaire comprenant 31 secteurs d'affichage régulièrement répartis, chacun des secteurs comprenant une indication correspondant à l'un des quantièmes possibles du mois. Le disque des quantièmes est indexé d'une position tous les jours, de manière à faire apparaître au travers d'un guichet la valeur de quantième correspondant à chaque jour, qui est formée d'un ou plusieurs chiffres. Le secteur angulaire occupé par chaque position d'indexation est ainsi relativement réduit (360/31 soit un peu moins de 12 degrés), ce qui limite fortement la taille maximale des nombres qui peuvent y être affichés.The conventional date display devices for timepieces, and in particular portable wristwatches, most often use an annular annular disk 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.
Afin d'augmenter la taille des indications affichées dans le guichet pour lire la date, il existe par conséquent des systèmes utilisant deux mobiles distincts, l'un pour l'affichage du chiffre des dizaines et l'autre pour l'affichage du chiffre des unités du quantième. On se réfère à ce type d'affichage de quantième par combinaison de deux chiffres portés par deux mobiles distincts comme un affichage de type « grande date ». Ces dispositifs d'affichage sont couplés à un dispositif de commande pour indexer respectivement chacun des mobiles en vue d'afficher chaque jour la combinaison exacte entre les unités et les dizaines.In order to increase the size of the indications displayed in the window to read the date, there are therefore systems using two distinct mobiles, one for the display of the tens digit and the other for the display of the digits digit. date units. This type of date display is referred to by combining two figures carried by two distinct mobiles as a "big date" type display. These display devices are coupled to a control device for respectively index each mobile to display each day the exact combination between units and tens.
On connaît par exemple un mécanisme d'affichage de type « grande date » comprenant un anneau des unités comprenant la séquence 0-9 des unités, et un disque des dizaines comprenant une séquence de 4 chiffres 0-3 répartis sur des secteurs d'environ 90 degrés chacun, comme celui décrit dans le brevet
Un inconvénient de ce type de mécanisme de calendrier est de nécessiter un très grand nombre de pièces, qui sont dissociées pour le mécanisme de commande et d'affichage, et encombrent ainsi fortement la platine. Par ailleurs, la croix associée au disque des dizaines dispose d'un nombre très faible de dents, ce qui est préjudiciable à la fiabilité d'engrenage en raison des pas angulaires importants requis lors de chaque indexation.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.
On connaît par ailleurs, par exemple du brevet
Un but de la présente invention est de fournir un mécanisme d'affichage de quantième exempts de ces limitations connues.An object of the present invention is to provide a date display mechanism free of these known limitations.
Un autre but de la présente invention est de fournir un nouveau type de mécanisme d'affichage de quantième de type grande date par combinaison de deux mobiles pour au moins certaines dates, utilisant des séquences d'indications et d'affichage, ainsi qu'un mécanisme d'entraînement originaux.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.
Ces buts sont atteints notamment grâce aux caractéristiques d'un dispositif d'affichage de quantième de type grande date selon la revendication principale, et en particulier un dispositif d'affichage d'un quantième de type grande date pour mouvement de montre comportant un premier mobile et un deuxième mobile agencés pour afficher, au moins à certaines dates, des premières valeurs de quantième par combinaison d'indications portées par le premier mobile et d'indications portées par le deuxième mobile, caractérisé en ce qu'il comprend un premier mécanisme d'embrayage du premier mobile vers le deuxième mobile, et un deuxième mécanisme d'embrayage du deuxième mobile vers le deuxième mobile de telle sorte que, au moins à certaines dates, le premier mobile entraîne le deuxième mobile, et qu'à certaines autres dates, le deuxième mobile entraîne le premier mobile.These aims are achieved in particular by virtue of the characteristics of a date display device of the big date type according to the main claim, and in particular 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.
Des formes d'exécution particulières de l'invention sont définies dans les revendications dépendantes.Particular embodiments of the invention are defined in the dependent claims.
Un avantage de la présente invention est de permettre de modifier les cycles et la programmation des séquences d'affichage, grâce à l'entraînement mutuel de chacun des mobiles l'un envers l'autre, et ainsi mieux équilibrer les indications portées par les deux mobiles, par exemple en reportant certaines indications d'unités sur un disque des dizaines modifiés. Selon un mode de réalisation préférentiel, le nombre d'indications d'affichage portées par chacun des mobiles est exactement identique, ce qui permet d'ajuster au mieux la taille des caractères pour un affichage combiné.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. According to a preferred embodiment, 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.
Un autre avantage de la solution proposée est de permettre de diminuer le nombre de pièces nécessaires à la réalisation du dispositif d'affichage, en fusionnant la partie fonctionnelle de programmation avec celle de l'affichage des quantièmes proprement dite.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.
Selon un mode de réalisation préférentiel, les deux mobiles d'affichage sont formés par des éléments rotatifs de forme sensiblement annulaire, c'est-à-dire dont les indications d'affichage balaient un segment annulaire complet s'étendant sur 360 degrés au cours d'un cycle, typiquement mensuel. Lorsque les indications des deux mobiles sont agencées pour couvrir la même surface annulaire et se superposent les unes aux autres au moins pour certains quantièmes, l'affichage est confiné dans un espace réduit et le mécanisme de commande peut même avantageusement être intégré au centre de l'anneau pour gagner en compacité.According to a preferred embodiment, 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. When 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.
Des exemples de mise en oeuvre de l'invention avantageux sont indiqués à titre d'exemple non limitatifs dans la description et illustrés par les figures annexées dans lesquelles:
- La
figure 10 illustre une vue schématique des chaînes cinématiques et du mécanisme d'embrayage bi-directionnel entre les deux mobiles d'affichage employé selon un mode de réalisation préférentiel de la présente invention; - Les
figures 1A et 1B illustrent respectivement un premier mobile des unités modifié ainsi qu'un deuxième mobile des dizaines modifié, et lesfigures 1C et 1D d'autres pièces constitutives utilisées par le dispositif d'affichage de grande date selon un mode de réalisation préférentiel de l'invention; - les
figures 2A,2B, 2C et 2D illustrent des vues respectivement de dessus et de dessous du premier et du second mobile desfigures 1A et 1B , mettant en évidence différents éléments d'embrayage mutuel ainsi que les différentes dentures agissant dans des plans d'engrenage distincts pour l'entraînement journalier du mécanisme de quantième et la correction de la date selon un mode de réalisation préférentiel du dispositif d'affichage de grande date selon l'invention; - Les
figures 3A et 3B illustrent respectivement une vue en trois dimensions du mécanisme d'engrenage des différentes dentures du premier et du second mobile avec la roue entraîneuse de 24 heures, et une vue en coupe des différents plans d'engrenage de chacune de ces dentures pour l'exemple du passage du 31e quantième du mois au 1er quantième du mois suivant, selon un mode de réalisation préférentiel du dispositif d'affichage de grande date selon l'invention; - Les
figures 4A et 4B illustrent respectivement une vue en trois dimensions du mécanisme d'engrenage des différentes dentures du premier et du second mobile avec le mobile de correction, et une vue en coupe des différents plans d'engrenage de chacune de ces dentures pour l'exemple du passage du 31e quantième du mois au 1er quantième du mois suivant, selon un mode de réalisation préférentiel du dispositif d'affichage de grande date selon l'invention; - la série des
figures 5A,5B,5C ,5D,5E,5F illustre différentes vues pour expliquer le mécanisme d'indexation du premier et du second mobile selon un mode de réalisation préférentiel, lors d'une première séquence pour les quantièmes dont les unités sont comprises de 2 à 9. Lesfigures 5A,5B et 5C illustrent respectivement le quantième à travers un guichet du cadran, et les positions relatives des premier et deuxièmes mobiles, vu de dessus et de dessous, pour le 2e quantième du mois, et lesfigures 5D,5E, et 5F les mêmes vues qu'auxfigures 5A,5B et 5C précédentes mais après le passage au 3e quantième du mois; - la série des
figures 6A,6B,6C ,6D,6E,6F , et6G illustre différentes vues pour expliquer le mécanisme d'indexation du premier et du second mobile selon un mode de réalisation préférentiel, lors d'une deuxième séquence pour le passage du quantième à la dizaine supérieure (9->10,19->20,29->30). Lesfigures 6A,6B et 6C illustrent respectivement le quantième à travers un guichet du cadran, et les positions relatives des premier et deuxièmes mobiles, vu de dessus et de dessous, pour le 9e quantième du mois, et lesfigures 6D,6E, et 6F les mêmes vues qu'auxfigures 6A,6B et 6C précédentes mais après le passage au 10e quantième du mois; lafigure 6G illustre quant à elle une vue détaillée montrant l'engrenage d'une lamelle du premier mobile avec un tenon du second mobile pour leur entraînement mutuel en rotation; - la série des
figures 7A,7B,7C ,7D,7E,7F illustre différentes vues pour expliquer le mécanisme d'indexation du premier et du second mobile selon un mode de réalisation préférentiel lors d'une troisième séquence pour le passage d'une dizaine ronde au quantième suivant se terminant par 1 (10->11, 20->21, 30->31). Lesfigures 7A,7B et 7C illustrent respectivement le quantième à travers un guichet du cadran, et les positions relatives des premier et deuxièmes mobiles, vu de dessus et de dessous, pour le 10e quantième du mois, et lesfigures 7D,7E, et 7F les mêmes vues qu'auxfigures 7A,7B et 7C précédentes mais après le passage au 11e quantième du mois; - la série des
figures 8A,8B,8C ,8D,8E,8F illustre différentes vues pour expliquer le mécanisme d'indexation du premier et du second mobile selon un mode de réalisation préférentiel lors d'une quatrième séquence pour le passage des quantième se terminant par 1 aux quantièmes se terminant par 2 (01->02, 11->12, 21->22). Lesfigures 8A,8B et 8C illustrent respectivement le quantième à travers un guichet du cadran, et les positions relatives des premier et deuxièmes mobiles, vu de dessus et de dessous, pour le 11e quantième du mois, et lesfigures 8D,8E, et 8F les mêmes vues qu'auxfigures 8A,8B et 8C précédentes mais après le passage au 12e quantième du mois; et enfin - la série des
figures 9A,9B,9C ,9D,9E,9F illustre différentes vues pour expliquer le mécanisme d'indexation du premier et du second mobile selon un mode de réalisation préférentiel lors d'une cinquième séquence pour le passage du dernier quantième 31 au premier quantième du mois suivant (31->01). Lesfigures 9A,9B et 9C illustrent respectivement le quantième à travers un guichet du cadran, et les positions relatives des premier et deuxièmes mobiles, vu de dessus et de dessous, pour le 31e quantième du mois, et lesfigures 9D,9E, et 9F les mêmes vues qu'auxfigures 9A,9B et 9C précédentes mais après le passage au 1er quantième du mois suivant;
- The
figure 10 illustrates a schematic view of the kinematic chains and bi-directional clutch mechanism between the two display mobiles employed according to a preferred embodiment of the present invention; - The
Figures 1A and 1B respectively illustrate a first mobile units modified and a second mobile tens modified, andFigures 1C and 1D other component parts used by the large date display device according to a preferred embodiment of the invention; - the
Figures 2A, 2B, 2C and 2D illustrate respectively top and bottom views of the first and second mobiles ofFigures 1A and 1B , highlighting different mutual clutch elements as well as the different teeth acting in separate gear planes for the daily training of the date mechanism and the correction of the date according to a preferred embodiment of the display device of the large date according to the invention; - The
Figures 3A and 3B respectively illustrate 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 a sectional view of the different gear planes of each of these teeth for the example of passing the 31st of the month to 1 day of the next month, according to a preferred embodiment of the big date display device according to the invention; - The
Figures 4A and 4B respectively illustrate a three-dimensional view of the gear mechanism of the different teeth of the first and second mobile with the correction mobile, and a sectional view of the different gear planes of each of these teeth for the example of the passage of the 31st of the month to 1 day of the next month, according to a preferred embodiment of the big date display device according to the invention; - the series of
FIGS. 5A, 5B, 5C ,5D, 5E, 5F illustrates different views to explain the indexing mechanism of the first and second mobile according to a preferred embodiment, in a first sequence for the dates with units of 2 to 9.FIGS. 5A, 5B and 5C respectively illustrate the date through a wicket of the dial, and the relative positions of the first and second mobiles, seen from above and from below, for the 2 nd calendar of the month, and theFigures 5D, 5E, and 5F the same views asFIGS. 5A, 5B and 5C previous but after passing the 3rd of the month; - the series of
Figures 6A, 6B, 6C ,6D, 6E, 6F , and6G illustrates different views to explain the indexing mechanism of the first and second movable according to a preferred embodiment, during a second sequence for the changeover from date to top ten (9->10,19-> 20,29 -> 30). TheFIGS. 6A, 6B and 6C respectively illustrate the date through a wicket of the dial, and the relative positions of the first and second mobiles, seen from above and from below, for the 9 th calendar of the month, and theFigures 6D, 6E, and 6F the same views asFIGS. 6A, 6B and 6C previous but after passing the 10th of the month; thefigure 6G illustrates a detailed view showing the gear of a lamella of the first mobile with a pin of the second mobile for their mutual rotation training; - the series of
FIGS. 7A, 7B, 7C ,7D, 7E, 7F illustrates different views to explain the indexing mechanism of the first and second movable according to a preferred embodiment in a third sequence for the passage of a dozen round to the next date ending with 1 (10-> 11, 20-> 21, 30-> 31). TheFigures 7A, 7B and 7C respectively illustrate the date through a wicket of the dial, and the relative positions of the first and second mobiles, seen from above and from below, for the 10 th calendar of the month, and theFigures 7D, 7E, and 7F the same views asFigures 7A, 7B and 7C previous but after passing the 11th of the month; - the series of
Figures 8A, 8B, 8C ,8D, 8E, 8F illustrates different views to explain the indexing mechanism of the first and second movable according to a preferred embodiment in a fourth sequence for the passage of the date ending with 1 to the date ending in 2 (01-> 02, 11 -> 12, 21-> 22). TheFigures 8A, 8B and 8C respectively illustrate the date through a wicket of the dial, and the relative positions of the first and second mobiles, seen from above and from below, for the 11 th day of the month, and theFigures 8D, 8E, and 8F the same views asFigures 8A, 8B and 8C previous but after passing the 12th of the month; and finally - the series of
Figures 9A, 9B, 9C ,9D, 9E, 9F illustrates different views to explain the indexing mechanism of the first and second mobile according to a preferred embodiment in a fifth sequence for the passage of thelast date 31 to the first calendar of the following month (31-> 01). TheFigures 9A, 9B and 9C illustrate the calendar through a window of the dial, and the relative positions of the first and second movable, seen from above and from below, by 31 th of the month, andFigures 9D, 9E, and 9F the same views asFigures 9A, 9B and 9C preceding but after passing the 1st day of the following month;
La
Le premier mobile M1 est ainsi sélectivement entraîné, directement ou indirectement, selon la valeur du quantième courant, par la roue entraîneuse R de 24 heures via une première chaîne cinématique, tandis que le deuxième mobile M2 est également sélectivement entraîné, directement ou indirectement et selon la valeur du quantième courant, par la même roue entraîneuse de 24 heures via une deuxième chaîne cinématique distincte et indépendante, comme selon certains mécanismes de l'art antérieur susmentionnés. Néanmoins, pour certains quantièmes, et selon le mode de réalisation préférentiel décrit et illustré par les figures suivantes, par exemple le passage du 9e au 10e quantième du mois, du 19e au 20e quantième du mois, et enfin du 29e au 30e quantième du mois, un premier mécanisme d'embrayage 120 du 1er mobile M1 vers le 2e mobile M2 permet d'entraîner le 2e mobile M2 par le premier mobile M1, sans que celui-ci ne soit directement entraîné par la roue entraîneuse R de 24 heures, et réciproquement, pour le passage du 1er au 2e, du 11e au 12e, et enfin du 21e au 22e quantième du mois, un deuxième mécanisme d'embrayage 210 du 2e mobile M2 vers le 1er mobile M1 permet d'entraîner le 1e mobile M1 par le deuxième mobile M2, sans que celui-ci ne soit directement entraîné par la roue entraîneuse R de 24 heures. Ces mécanismes d'embrayage sont donc utiles, selon le mode de réalisation préférentiel décrit, respectivement pour la deuxième séquence d'indexation, illustrée par la série des
La
Les
Le premier mobile M1 de la
Le deuxième mobile M2 de la
Le deuxième mobile M2 est quant à lui également pourvu de 10 segments d'affichages référencés S20,S21,S22,S23,S24,S25,S26,S27,S28 et S29, régulièrement espacés à la périphérie du deuxième mobile M2, et d'une deuxième série d'indications I2 = {0X,0X,10,1X,1X,20,2X,2X,30 et 3X} - la valeur « X » indiquant un deuxième évidement V1, ou un troisième évidement V2 ou n'importe quelle valeur de chiffre, une indication du premier mobile étant destinée à s'y superposer. Le nombre d'indications de la 2e série d'indications I2 est égal à celui du premier mobile M1, et au nombre de segments d'affichage, c'est-à-dire 10. Un tel agencement est particulièrement avantageux pour la mise en place d'un dispositif de commande avec des secteurs d'engrenage superposés, ce qui permet des gains significatifs d'encombrement, notamment lorsque chacun des deux mobiles M1,M2 d'affichage présente une forme essentiellement annulaire, c'est-à-dire dont la forme géométrique obtenue par le balayage de toutes les indications au cours d'un cycle d'affichage correspond à un anneau, libérant de l'espace en son centre pour y placer un mécanisme de commande. Le premier mobile d'affichage M1 et le deuxième mobile d'affichage M2 peuvent sinon avantageusement être agencés sous forme d'anneaux concentriques. Le premier mobile M1 est pourvu d'une première denture principale D1 prévue pour l'engrenage avec un mobile d'entraînement, comme typiquement une roue entraîneuse R de 24 heures, illustrée plus loin sur la
Sur la
Sur la
- une première encoche E1 pour le passage 01->02,
- une deuxième encoche E2 pour le passage 11->12, et enfin
- une troisième encoche E3 pour le passage 21->22,
- a first notch E1 for the passage 01-> 02,
- a second notch E2 for the passage 11-> 12, and finally
- a third notch E3 for the passage 21-> 22,
Comme on peut le constater au vu des
Néanmoins, même si dans la suite de la description on décrira en détail un mécanisme de programmation des mobiles d'affichage utilisant un tel agencement avantageux, on comprendra néanmoins qu'il est possible, sans sortir du cadre de la présente invention, de transférer l'affichage de certaines unités du premier mobile M1 vers le deuxième mobile M2, ou encore d'utiliser un premier mobile M1 sous la forme d'un mobile des unités complet avec la série 0-9, sans pour autant changer le nombre de segments d'affichage de chaque mobile ni leur mécanisme d'embrayage mutuel. Ainsi, si au lieu de tronquer seulement le chiffre 0 de la suite des unités, on tronquait une deuxième suite U2 de deuxièmes chiffres u2 {0,1} de la première série d'indications I1 du premier mobile M1, en supprimant l'indication « 1 » au niveau du segment d'affichage référencé S11 du premier mobile M1, il serait envisageable d'utiliser en conséquence un deuxième mobile M2 des dizaines modifiés portant une deuxième série d'indications I2 {01,0X,10,11,1X,20,21,2X,30,31} modifiée - la valeur « X » n'indiquant alors plus qu'un troisième évidement V2 ou n'importe quelle valeur de chiffre, auquel viendrait se superposer un chiffre provenant de la 1ère série d'indications I1 du premier mobile M1, les 2e évidements V1 ayant été supprimés - sans rien changer au mécanisme de programmation décrit ci-après, et en particulier rien au premier mécanisme d'embrayage 120 ni au deuxième mécanisme d'embrayage 210. On pourra aisément constater à la lecture de ce qui suit que le mécanisme de programmation ne serait pas modifié non plus en utilisant un mobile M1 comprenant toujours 10 segments d'affichage, mais portant une première série d'indication I1 tronquée d'encore un chiffre de plus, c'est-à-dire la deuxième suite U2 de deuxièmes chiffres u2 {0,1,2}, avec l'indication « 2 » supprimée au niveau du segment d'affichage S12. Il faudrait alors simplement ajuster la deuxième série d'indications I2 du 2e mobile M2 à la séquence suivante {01,02,10,11,12,20,21,22,30,31}, c'est-à-dire en supprimant tous les deuxièmes et troisièmes évidements V1,V2 de ce deuxième mobile M2, en rajoutant le deuxième chiffre d'unité u2 égal à 2 au niveau des segments d'affichage référencés respectivement S22,S25 et S28 sur la
La
Afin de maintenir le premier mobile M1 et le deuxième mobile M2 en positions indexées, respectivement un premier sautoir J1 et un deuxième sautoir J2 mutuellement superposés mais dissociés l'un de l'autre, comme cela est visible sur la
La
Les
- un premier secteur édenté dans le plan d'engrenage principal P2 du deuxième mobile M2 référencé a21, placé au niveau du segment d'affichage S29 de la
figure 1B , en dessous de l'indication d'affichage « 30 »; - un deuxième secteur édenté dans le plan d'engrenage principal P2 du deuxième mobile M2 référencé a22, placé au niveau du segment d'affichage S22 de la
figure 1B , en dessous de la première indication d'affichage « 0X »; - un troisième secteur édenté dans le plan d'engrenage principal P2 du deuxième mobile M2 référencé a23, et placé au niveau du segment d'affichage S25 de la
figure 1B , en dessous de l'indication d'affichage « 1X »;
- a first edentulous sector in the main gear plane P2 of the second mobile M2 referenced a21, placed at the level of the display segment S29 of the
Figure 1B below the display indication "30"; - a second edentulous sector in the main gear plane P2 of the second mobile M2 referenced a22, placed at the display segment S22 of the
Figure 1B below the first display indication "0X"; - a third edentulous sector in the main gear plane P2 of the second mobile M2 referenced a23, and placed at the level of the display segment S25 of the
Figure 1B below the display indication "1X";
Similairement, la série de secteurs édentés dans le plan d'engrenage auxiliaire du deuxième mobile M2 comprend:
- un premier secteur édenté dans le plan d'engrenage auxiliaire P2' du deuxième mobile M2 référencé a21', au niveau du segment d'affichage S24 de la
figure 1B , juste en dessous de l'indication d'affichage « 1X » et du premier tenon T1; - un deuxième secteur édenté dans le plan d'engrenage auxiliaire P2' du deuxième mobile M2 référencé a22', au niveau du segment d'affichage S27 de la
figure 1B , juste en dessous de l'indication d'affichage « 2X » et du 2e tenon T2; et enfin - un troisième secteur édenté dans le plan d'engrenage auxiliaire P2' du deuxième mobile M2 référencé a23', au niveau du segment d'affichage S20 de la
figure 1B , juste en dessous de l'indication d'affichage « 3X » et du 3e tenon T3.
- a first edentulous sector in the auxiliary gear plane P2 'of the second mobile M2 referenced a21', at the level of the display segment S24 of the
Figure 1B just below the display indication "1X" and the first post T1; - a second edentulous sector in the auxiliary gear plane P2 'of the second mobile M2 referenced a22', at the level of the display segment S27 of the
Figure 1B , Just below the display indication "2X" and the 2nd pin T2; and finally - a third edentulous sector in the auxiliary gear plane P2 'of the second mobile M2 referenced a23', at the level of the display segment S20 of the
Figure 1B , Just below the display indication "3X" and the 3rd pin T3.
Les deux séries de secteurs édentés A2 et A2' décrites ci-dessus sont du reste visibles sur la
Tous les plans d'engrenage principaux et auxiliaires P1,P2, P1' et P2' sont illustrés sur les
Les
Au vu de la série des
Sur la
Les
Les
On comprendra de l'exemple décrit ci-dessus, correspondant à la cinquième séquence d'engrenage décrite par ailleurs ci-après en liaison avec la série des
Le premier mécanisme d'embrayage 120 du premier mobile M1 vers le second mobile M2, illustré schématiquement à la
Le deuxième mécanisme d'embrayage 210 du deuxième mobile M2 vers le premier mobile M1, illustré également schématiquement à la
Bien que selon le mode de réalisation préférentiel proposé, les premier et deuxième mécanismes d'embrayage 120,210 entre les deux mobiles d'affichage, utilisent des lamelles flexibles coopérant respectivement avec des tenons et des encoches, on comprendra que d'autres variantes sont possibles, utilisant notamment des doubles dentures présentant un profil adéquat. Par exemple, une dent escamotable pivotante pourrait remplacer la première lamelle L1 flexible et toujours être actionnée en position active à l'aide du secteur d'engrenage fixe K, ou encore être remplacée par une dent longue, et engrener par ailleurs avec un autre type d'élément d'entraînement, comme par exemple une avancée radiale dans le plan d'engrenage de la dent pivotante remplaçant les tenons, qui ne représentent fonctionnellement que des éléments de butée, et ne doivent par conséquent pas nécessairement consister en des goupilles agencées selon l'axe de rotation commun des deux mobiles, perpendiculairement à leur plan d'affichage. Similairement, d'autres éléments d'entraînement et de butées pourraient être employés pour le deuxième mécanisme d'embrayage 210, qui ne nécessite pas nécessairement d'élément flexible. Ainsi une double denture dont un profil agencé sur le 1er mobile M1 coopérerait avec un autre profil agencé sur le 2e mobile M2 pourrait également convenir à la mise en oeuvre du mécanisme d'embrayage souhaité.Although according to the preferred embodiment proposed, the first and second clutch mechanisms 120,210 between the two display mobiles, use flexible strips cooperating respectively with tenons and notches, it will be understood that other variants are possible, using in particular double teeth having a suitable profile. For example, 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. Similarly, other drive elements and stops could be used for the
L'avantage du mode de réalisation préférentiel illustré est que le mode de fabrication des éléments d'entraînement, flexibles ou non, peut être réalisé par étampage et résulte ainsi en des économies de coûts significatives.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.
Dans les séries des
Chacune des
La série des
Sur la
Lors de cette 1ère séquence d'indexations, le secteur d'engrenage fixe K de la platine P n'a pas été utilisé, il le sera précisément pour la 2e séquence d'indexations suivante illustrée par les
Les
Lors de cette deuxième séquence d'indexation, les deux mobiles tournent ensemble, car le premier mobile M1 entraîne le deuxième mobile M2. Comme on peut le voir sur le détail de la
Comme on peut le voir sur la
La troisième séquence illustrée par la série des
La quatrième séquence d'indexation illustrée par les
Pour le 11e quantième du mois, comme illustré sur la
A la fin de chacune de ces trois indexations possibles pour cette quatrième séquence d'indexation, on notera que la roue entraîneuse R passe d'un segment d'affichage où la première denture principale D1 du premier mobile M1 est pourvue d'un premier secteur édenté a1, à un segment d'affichage suivant où la deuxième denture principale D2 est pourvue d'un secteur édenté, à savoir: le premier secteur édenté référencé a21 pour le 2e quantième du mois (voir
La série des
Comme on peut le constater en comparant les
Une fois cette indexation effectuée, un cycle complet d'affichage est effectué et la position angulaire des deux mobiles est identique par rapport au guichet, à savoir que la 2e lamelle solidaire du 2e mobile M2 et le chiffre des unités U de valeur « 2 » sont situés sensiblement à 10 heures sur le cadran, c'est-à-dire le segment angulaire juste au-dessus de celui correspondant au guichet d'affichage formé par les 1ère et 2e fenêtre F1 et F2, situées elles à 9 heures sur le cadran.Once this indexing performed a complete display cycle is performed and the angular position of the two mobiles is identical with respect to the window, that the 2nd lamella secured to the 2 nd mobile M2 and the number of units U value " 2 "are located substantially at 10 o'clock on the dial, that is to say the angular segment just above that corresponding to the display window formed by the 1 st and 2 nd window F1 and F2, located to each other at 9 o'clock on the dial.
On comprendra de ce qui précède que d'autres alternatives d'affichage pour le dispositif d'affichage de type grande date proposé sont possibles, avec notamment un affichage à l'aide d'indications dont les caractères sont orientés tangentiellement et non plus radialement sur chacun des mobiles, contrairement aux modes de réalisation préférentiels décrits. D'autres variantes d'affichage utilisant d'autres mécanismes de programmation et d'embrayage entre les deux mobiles d'affichages, sont également possibles notamment avec des dents escamotables pivotantes engrenant radialement et non pas verticalement, et par exemple des mobiles d'affichages concentriques formés d'un disque et d'un anneau, voire même de deux mobiles non concentriques pourvus d'un nombre d'indications et de segments d'affichage non égaux.It will be understood from the foregoing that other display alternatives for the proposed large date type display device are possible, in particular with a display using indications whose characters are tangentially oriented and no longer radially oriented. each of the mobiles, in contrast to the preferred embodiments described. Other display variants using other programming and clutch mechanisms between the two display mobiles, are also possible in particular with retractable pivoting teeth meshing radially and not vertically, and for example display mobiles. concentric formed of a disk and a ring, or even two non-concentric mobiles provided with a number of indications and non-equal display segments.
Claims (11)
que ledit deuxième mobile (M2) est un mobile d'affichage des dizaines comprenant une deuxième série d'indications (12) pour l'affichage d'au moins les chiffres des dizaines (d) dudit quantième, et que lesdits premier et deuxième mobile (M1,M2) sont formés par des éléments annulaires superposés et concentriques.Device for displaying a date of the big date type according to one of the preceding claims, characterized in that said first mobile (M1) is a display mobile units carrying a first series (I1) of indications of units
said second mobile (M2) is a display mobile tens comprising a second set of indications (12) for displaying at least the digits of tens (d) of said date, and said first and second mobile (M1, M2) are formed by superposed and concentric annular elements.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14200610.5A EP3040788B1 (en) | 2014-12-30 | 2014-12-30 | Clutch mechanism for date display mobiles |
JP2015253361A JP6209202B2 (en) | 2014-12-30 | 2015-12-25 | Coupling mechanism for date disk |
US14/982,379 US9733619B2 (en) | 2014-12-30 | 2015-12-29 | Coupling mechanism for date display discs |
CN201521129752.4U CN205609098U (en) | 2014-12-30 | 2015-12-30 | A big date calendar display device for watch movement |
CN201511020195.7A CN105739282B (en) | 2014-12-30 | 2015-12-30 | For the coupling mechanism of date display panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14200610.5A EP3040788B1 (en) | 2014-12-30 | 2014-12-30 | Clutch mechanism for date display mobiles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3040788A1 true EP3040788A1 (en) | 2016-07-06 |
EP3040788B1 EP3040788B1 (en) | 2017-08-09 |
Family
ID=52134065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14200610.5A Active EP3040788B1 (en) | 2014-12-30 | 2014-12-30 | Clutch mechanism for date display mobiles |
Country Status (4)
Country | Link |
---|---|
US (1) | US9733619B2 (en) |
EP (1) | EP3040788B1 (en) |
JP (1) | JP6209202B2 (en) |
CN (2) | CN105739282B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3040788B1 (en) * | 2014-12-30 | 2017-08-09 | ETA SA Manufacture Horlogère Suisse | Clutch mechanism for date display mobiles |
EP3316048B1 (en) * | 2016-10-28 | 2020-03-18 | Rolex Sa | Clockwork mechanism for displaying and correcting a plurality of information |
EP3339973B1 (en) * | 2016-12-21 | 2019-07-24 | Blancpain SA | Date mechanism |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH690869A5 (en) * | 1997-08-27 | 2001-02-15 | Jean Marc Wiederrecht | Mechanism and display for day of the month on timepiece, comprises pinion on hour shaft which drives concentric numbered tens and units rings through separate gear trains with truncated teeth |
EP1316859A1 (en) * | 2001-11-30 | 2003-06-04 | Rolex Sa | Method for forming a date mechanism operated by a clockwork |
JP2005134265A (en) * | 2003-10-31 | 2005-05-26 | Citizen Watch Co Ltd | Calendar mechanism |
EP1609028A2 (en) | 2003-04-02 | 2005-12-28 | Ronda Ag | Day of the month display mechanism for watch movement |
EP2490083A1 (en) | 2011-02-17 | 2012-08-22 | Glashütter Uhrenbetrieb GmbH | Calendar mechanism programme wheel |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4845338A (en) * | 1971-10-11 | 1973-06-28 | ||
EP1369753A1 (en) * | 2002-06-06 | 2003-12-10 | Zenith International SA | Timepiece with date display |
CH700720B1 (en) * | 2003-06-23 | 2010-10-15 | Ronda Ag | Gear for watch movement and date display mechanism provided with such a gear. |
EP1536300B1 (en) * | 2003-11-26 | 2011-06-08 | ETA SA Manufacture Horlogère Suisse | Calendar mechanism for a watch comprising two superposed date annuli |
JP4546170B2 (en) * | 2004-06-30 | 2010-09-15 | セイコーインスツル株式会社 | Display date mechanism and clock with date display mechanism |
EP3040788B1 (en) * | 2014-12-30 | 2017-08-09 | ETA SA Manufacture Horlogère Suisse | Clutch mechanism for date display mobiles |
-
2014
- 2014-12-30 EP EP14200610.5A patent/EP3040788B1/en active Active
-
2015
- 2015-12-25 JP JP2015253361A patent/JP6209202B2/en active Active
- 2015-12-29 US US14/982,379 patent/US9733619B2/en active Active
- 2015-12-30 CN CN201511020195.7A patent/CN105739282B/en active Active
- 2015-12-30 CN CN201521129752.4U patent/CN205609098U/en not_active Withdrawn - After Issue
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH690869A5 (en) * | 1997-08-27 | 2001-02-15 | Jean Marc Wiederrecht | Mechanism and display for day of the month on timepiece, comprises pinion on hour shaft which drives concentric numbered tens and units rings through separate gear trains with truncated teeth |
EP1316859A1 (en) * | 2001-11-30 | 2003-06-04 | Rolex Sa | Method for forming a date mechanism operated by a clockwork |
EP1609028A2 (en) | 2003-04-02 | 2005-12-28 | Ronda Ag | Day of the month display mechanism for watch movement |
JP2005134265A (en) * | 2003-10-31 | 2005-05-26 | Citizen Watch Co Ltd | Calendar mechanism |
EP2490083A1 (en) | 2011-02-17 | 2012-08-22 | Glashütter Uhrenbetrieb GmbH | Calendar mechanism programme wheel |
Also Published As
Publication number | Publication date |
---|---|
US9733619B2 (en) | 2017-08-15 |
CN105739282A (en) | 2016-07-06 |
US20160195851A1 (en) | 2016-07-07 |
JP2016128809A (en) | 2016-07-14 |
CN205609098U (en) | 2016-09-28 |
CN105739282B (en) | 2018-06-22 |
EP3040788B1 (en) | 2017-08-09 |
JP6209202B2 (en) | 2017-10-04 |
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