EP3040784B1 - Date display device for timepiece - Google Patents
Date display device for timepiece Download PDFInfo
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- EP3040784B1 EP3040784B1 EP14200609.7A EP14200609A EP3040784B1 EP 3040784 B1 EP3040784 B1 EP 3040784B1 EP 14200609 A EP14200609 A EP 14200609A EP 3040784 B1 EP3040784 B1 EP 3040784B1
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- European Patent Office
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- mobile
- disc
- display
- units
- date
- Prior art date
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Images
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
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
- G09D3/00—Perpetual 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
- G04B19/253—Driving or releasing mechanisms
Definitions
- the present invention relates to a display mechanism of the date, and in particular a date display mechanism of the "big date” type.
- the conventional date display devices for timepieces, and in particular portable wristwatches most often use an annular calendar 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 .
- 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. Moreover, the cross associated with the tens disk has a very small number of teeth, which is detrimental to the gear reliability because of the large angular steps required at 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-type date display mechanism by combining two mobiles for at least some dates, using original display indication sequences.
- a date display device of the big date type according to the main claim, and in particular a first modified units display mobile, carrying a first series of indications comprising a first sequence. of not more than nine consecutive digits of first units, the first set of indications being truncated by at least a second unit digit in relation to the complete set of ten units, combined with a second display unit of tens modification comprising a second series of indications for displaying at least the tens of the date, comprising at least a combination of two digits formed by a digit of tens and a second digit of unit.
- said first set of indications of said first mobile is truncated by a sequence of consecutive second consecutive digits beginning with the digit "0" relative to the complete set of ten units.
- An advantage of the present invention is to allow a better balance between the indications carried by the two mobiles, 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 allow the use of a mobile of the dispensing units to use the complete sequence of digits from 0 to 9 used up to now, by increasing in return the minimum sequence of indications carried by a disk dozens modified, which makes it easier and more reliable each indexing of the latter.
- 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.
- 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 from the 0-9 series, but some figures have been truncated, here the numbers ⁇ 0,1 ⁇ .
- All the indications i1 of the first series of indications I1 are mutually separated from each other by a first recess v1, in order to facilitate the display by combination with a digit from tens to at least on certain dates, which one will qualify as first Q1 dates.
- the second mobile M2 of the Figure 1B is a mobile modified tens, which in addition to carrying the indications of the 4 digits dozens of classics (0,1,2,3), also allows the display of the dates ending with the truncated units of the first mobile M1, that is to say the 0 and the 1.
- This second mobile M2 must therefore make it possible to display the dates 01, 10, 11, 20, 21, 30 and 31 without need to combine with the first mobile M1, and we refer to these 7 date values raised as "second dates" Q2, that is to say, date values integrally displayed by the second mobile M2, as opposed to first calendars Q1 whose display is performed by combination of the directions of the first mobile 1 and indications of the 2nd mobile M2.
- Such an arrangement is particularly advantageous for the implementation of a control device with superposed gear sectors, which allows significant savings in size, especially when each of the two mobiles M1, M2 of display has a substantially annular shape, that is to say whose geometric shape obtained by the bala All of the indications during a display cycle correspond to a ring, releasing space at 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 This means that each indication is never repeated more than once during each cycle, which maximizes the size of each display segment and therefore the size of the displayed digits.
- first number N1 of first display segments of the first mobile M1 is equal to the second number N2 of second display segments of the second mobile M2, which facilitates the gear mechanism, and where 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 and second recesses v1, v2, the digit of tens, and the first and second digits u1-u2 units can all be identical, both in size and angular sector occupation which makes the display particularly homogeneous and reliable for indexing.
- the second sequence of units U2 of second truncated u2 unit numbers of the first mobile nevertheless always starts with the digit "0", and is completed by the consecutive digits. following, in order to follow a particularly advantageous precise indexing sequence.
- first mobile M1 of the units by adding an indication "1" at the referenced display segment S11 of the first mobile M1 without changing anything to the mobile M2 or to the programming mechanism proposed for date indexing on a monthly cycle from 1 to 31, and also possible to modify the first mobile unit M1 by removing the first unit u1 of value "2" at the first display segment referenced S12, and simultaneously modifying each of the display segments referenced respectively S22, S25 and S28 by adding the second unit u2 equal to 2 instead of the second recesses v2 visible on the Figure 1B And materialized by cuts in places where is not the 2nd L2 slide.
- 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 according to the embodiment proposed preferential 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 gear sector Re daily in which are preferably arranged two teeth of identical profile in two different gear planes, that is to say the first gear tooth Rd1 and the second gear.
- gear tooth Rd2 - visible on the Figures 3A and 3B - For meshing respectively with the first main gear D1 of the first mobile M1, and the second main gear D2 of the second mobile M2.
- 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 a good gear safety and a sufficiently fast scrolling when it is actuated, for example by means of a crown.
- These teeth of the corrector mobile aim 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 more away using pairs of Figures 3A-3B and 4A, 4B .
- the correction mobile B may 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 except that occupied by the driving wheel R 24 hours which leaves a great flexibility of arrangement among the 9 possible positions corresponding to the remaining angular sectors.
- 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 driving 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 come always 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 main gear plane or auxiliary 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 .
- Angular positioning tenons drive depends on the relative position between the window, one of the fixed gear sector K, and the first lamina L1 on which the latter acts to rotate the 2nd mobile M2; the proposed configuration thus corresponds to that of a gear sector positioned at approximately 11 o'clock, and a first lamella L1 disposed at the level of the display segments corresponding to those of the truncated units ⁇ 0,1 ⁇ for a window of display placed at 9 o'clock on the dial;
- the proposed configuration thus corresponds to that of a gear sector positioned at approximately 11 o'clock, and a first lamella L1 disposed at the level of the display segments corresponding to those of the truncated units ⁇ 0,1 ⁇ for a window of display placed 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 first sequence U1 of first digits u1 of units 2-9, there is also a first lamina L1 for driving the second movable M2 using tenons 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 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, shown in black as opposed to 9 other edentulous areas, designed to allow indexing of the two mobile e 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 found a toothed sector corresponding a1', also shown in black as opposed to 9 other edentulous sectors.
- the first mobile M1 comprises three notches at its inner periphery, provided for the training of the date ending with "1" to the date ending in "2" according to the preferred embodiment described.
- the first notch E1, 2nd notch E2 and the third notch E3 are distributed over a cycle of 10 equally spaced segments, the first E1 and the third notch E2 notch being spaced from three segments, the second E2 notch and the third notch E3 being spaced apart by 3 segments as well, 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 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 the indication "0X”, configured to drive the first movable M1 when passes from 01-02, such that the second L2 lamina then cooperates with the 2nd E2 notch for passage of the calendar 11-12 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 from a segment with respect to the first notch E1 and in such a configuration, due to the missing teeth of one mobile e - toothless sector referenced a1 - unlike other calendars ending in "1" previous, 1 mobile M1 will not be driven by the 2 e mobile to complete the 31-day cycle 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 driving wheel R in the first main plane P1 does not allow to drive the first mobile M1, while the second gear tooth Rd2 of the driving wheel R meshes with the second. major 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 teeth of the first and second movable with the movable and correction, 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 separated teeth 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 respectively has a first and a second main gear D1, D2 daily gear selectively meshing with a drive wheel R 24 hours according to the date, depending on the presence or absence of a tooth or not.
- the entrainment wheel R so is the starting point of a first kinematic chain for driving the first mobile M1, and also the starting point of a 2nd kinematic chain for driving the 2nd mobile M2.
- the different teeth thus constitute a programming mechanism for each of their respective trainings.
- This drive mechanism via dissociated kinematic chains for each of the mobiles is then completed, in the context of the present invention, by a mutual and bidirectional clutch mechanism between the first and the second mobile at certain dates.
- the clutch mechanism of the first mobile M1 to the second mobile M2 is thus constituted, according to the preferred embodiment described, by driving the tenons (respectively first, second and third tenon 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 is therefore having a more restricted cycle of 10 positions indexed at most .
- An engaged position of the L1 lamina is conditioned by a fixed gear sector K arranged on the turntable, is extending at least over the width of a display segment and shall allow at least the drive of the 2 nd mobile for the transition to the higher tens, that is to say the 9 th to 10 th , 19 th to 20 th , and 29 th to 30 th calendars.
- the clutch mechanism of the second mobile M2 towards the first mobile M1 consists, in turn, according to the preferred embodiment described, by the drive of oriented notches (respectively first, second and third notches E1, E2, E3) by a second blade L2, integral with the second mobile M2, and arranged obliquely toward 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 (31), although this calendar also ends with the number of units "1".
- FIG. 5A , 6A , 7A , 8A and 9A 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 units digit, 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 to a second date Q2, when the units digit is a second digit u2 truncated units of the first date M1, here "0" or "1", therefore 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 passage: 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 lamina is at the window, more specifically, 2 display, and on the Figure 5C it can be seen that this second lamella L2 is engaged with the first notch E1.
- the first mobile M1 rotates in the direction of rotation indicated by the arrows visible on the Figures 5B and 5C and the orientation of the second lamella L2 and that of each of the notches, that is to say the first notch E1, the second notch E2, and the third notch E3 allows the first mobile M1 to slide on the second lamella L2 elastic.
- 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 still see through the 2nd mobile M2, the first digit of u1 unit "9" is displayed by the first mobile M1 then we move on to a second sales unit u2 "0" also displayed by the 2nd mobile M2.
- the clutch mechanism of the second mobile M2 by the first mobile M1 via 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 transition from a second date calendar Q2 to another second calendar, since it is the transition from date ending in "0" to a date ending in "1" and that each of these two numbers are 2 e truncated u2 digits of the first set of indications I1.
- 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 no clutch mechanism is necessary.
- the Figures 7B and 7C which show respectively a view and from below, show the relative positions of the first and e 2 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 tongue 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 the dates whose units end in “1" at the dates whose units end in “2".
- a first calendar Q1 displayed by combination with the 1st mobile M1 as the calendar "12" shown in figure 8D At a first calendar Q1 displayed by combination with the 1st mobile M1 as the calendar "12" shown in figure 8D .
- the 2nd strip L2 of the 2nd mobile M2 is engaged in the 2nd slot E2 1 st mobile, so that even in the absence of teeth on the first main teeth D1 of the first mobile M1, the latter is rotated by the second mobile M2, driven by the driving wheel R 24 hours of an additional display segment in the direction of rotation indicated by the arrows on the Figures 8B and 8C .
- 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 to next display segment wherein the second toothing is provided with a toothless sector, namely: the first a21 referenced toothless sector for 2 nd month of the month (see Figure 5B ), the second edentulous sector referenced a22 referenced 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, while the other four are 3 times each.
- the 5 th index sequence is a particular case of the 4 th index sequence where the 2 nd mobile M2 is driven only by a tooth of the 2nd main set of teeth D2, while that the absence of a tooth at the level of the first main toothing 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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Description
La présente invention concerne un mécanisme d'affichage du quantième, et en particulier un mécanisme d'affichage du quantième de type « grande date ».The present invention relates to a display mechanism of the date, and in particular a date display mechanism of the "big date" type.
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 quantièmes 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 calendar 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 indexing each of the mobiles in order to display each day the exact combination between the units and the 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
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 d'affichage originales.Another object of the present invention is to provide a new type of date-type date display mechanism by combining two mobiles for at least some dates, using original display indication sequences.
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 premier mobile d'affichage des unités modifié, portant une première série d'indications comprenant une première suite d'au plus neuf premiers chiffres d'unités consécutifs, la première série d'indications étant tronquée d'au moins un deuxième chiffre d'unité par rapport à la série complète des dix unités, combiné à un deuxième mobile d'affichage des dizaines modifié comprenant une deuxième série d'indications pour l'affichage d'au moins les dizaines du quantième, comportant au moins une combinaison de deux chiffres formée d'un chiffre des dizaines et d'un deuxième chiffre d'unité. De plus, ladite première série d'indications dudit premier mobile est tronqué d'une suite de plusieurs deuxièmes chiffres d'unités consécutifs commençant par le chiffre « 0 » par rapport à la série complète des dix unités.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 first modified units display mobile, carrying a first series of indications comprising a first sequence. of not more than nine consecutive digits of first units, the first set of indications being truncated by at least a second unit digit in relation to the complete set of ten units, combined with a second display unit of tens modification comprising a second series of indications for displaying at least the tens of the date, comprising at least a combination of two digits formed by a digit of tens and a second digit of unit. In addition, said first set of indications of said first mobile is truncated by a sequence of consecutive second consecutive digits beginning with the digit "0" relative to the complete set of ten units.
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 mieux équilibrer les indications portées par les deux mobiles, 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 to allow a better balance between the indications carried by the two mobiles, 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 d'employer un mobile des unités dispensant d'utiliser la séquence complète des chiffres de 0 à 9 utilisée jusqu'à présent, en augmentant en contrepartie la séquence minimale d'indications portées par un disque des dizaines modifié, ce qui permet de faciliter et de fiabiliser chaque indexation de ce dernier.Another advantage of the proposed solution is to allow the use of a mobile of the dispensing units to use the complete sequence of digits from 0 to 9 used up to now, by increasing in return the minimum sequence of indications carried by a disk dozens modified, which makes it easier and more reliable each indexing of the latter.
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:
- 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, vus 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, vus 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, vus 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, vus 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
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 large date display device 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 thedriving 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 window 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 round ten to the next date ending in 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 calendar 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 the last 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;
Les
Le premier mobile M1 de la
Le deuxième mobile M2 de la
Le deuxième mobile M2 de la figue 1B 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 sa périphérie, et d'une deuxième série d'indications I2 = {01,0X,10,11,1X,20,21,2X,30 et 31} - la valeur « X » indiquant un deuxième évidement v2 ou n'importe quelle valeur de chiffre, pour autant qu'une indication correspondante de la première série I1 du premier mobile puisse s'y superposer intégralement - dont le nombre d'indications 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
- 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 qu'il est possible, sans sortir du cadre de la présente invention, de transférer l'affichage d'autant d'unités qu'on le souhaite sur le mobile des dizaines, le nombre d'indications et de segments d'affichage étant alors augmenté d'autant pour le mobile des unités modifiés. Ainsi, si au lieu de tronquer uniquement les chiffres d'unités 0 et 1, de la première série d'indications I1 du premier mobile des unités modifiées, on tronquait une deuxième suite U2 de deuxièmes chiffres {0,1,2} 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 {01,02,0X,10,11,12,1X, 20,21,22,2X,30,31}. On peut constater que le nombre d'indications de la 2e série d'indications augmente du triple de chaque unité supplémentaire tronquée - pour ici un total de 13 - ce qui nécessite un ajustement du mécanisme d'engrenage par le ratio correspondant entre le premier nombre de premiers segments N1 du premier mobile M1 et le deuxième nombre des deuxièmes segments N2 du deuxième mobile M2, soit 10/13 si le nombre de premiers segments N1 est maintenu à 10. On peut également réduire le nombre d'unités tronquées à une seule, soit le singleton {0}, est similairement réduire la deuxième série d'indications I2 aux 7 indications suivantes {0x,10,1x,20,2x,30,3x}, en ajustant les rapports d'engrenage entre les deux mobiles M1,M2 en conséquence. Cette variante est connue du document
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 l'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 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 « 11 »; - 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 « 21 »; 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 « 31 ».
- 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 "11"; - 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 "21"; 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 "31".
Ces deux séries de secteurs édentés A2 et A2' 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
Ce mécanisme d'entraînement via des chaînes cinématiques dissociées pour chacun des mobiles est ensuite complété, dans le cadre de la présente invention, par un mécanisme d'embrayage mutuel et bidirectionnel entre le premier et le second mobile à certains quantièmes.This drive mechanism via dissociated kinematic chains for each of the mobiles is then completed, in the context of the present invention, by a mutual and bidirectional clutch mechanism between the first and the second mobile at certain dates.
Le mécanisme d'embrayage du premier mobile M1 vers le second mobile M2 est ainsi constitué, selon le mode de réalisation préférentiel décrit, par l'entraînement des tenons (respectivement premier, deuxième et troisième tenon T1,T2,T3) par la première lamelle L1 3 fois au cours d'un cycle d'un mois de 31 jours, la première lamelle L1 étant elle-même solidaire du premier mobile M1 ayant 10 segments d'affichage est ayant par conséquent un cycle plus restreint de 10 positions indexées au maximum. Une position embrayée de la lamelle L1 est conditionnée par un secteur d'engrenage fixe K agencé sur la platine, est qui s'étend au moins sur la largeur d'un segment d'affichage et doit permettre au moins l'entraînement du 2e mobile pour le passage aux dizaines supérieures, c'est-à-dire le passage du 9e au 10e quantième, du 19e au 20e quantième, et du 29e au 30e quantième.The clutch mechanism of the first mobile M1 to the second mobile M2 is thus constituted, according to the preferred embodiment described, by driving the tenons (respectively first, second and third tenon T1, T2, T3) by the
Le mécanisme d'embrayage du deuxième mobile M2 vers le premier mobile M1 consiste quant à lui, selon le mode de réalisation préférentiel décrit, par l'entraînement d'encoches orientées (respectivement première, deuxième et troisième encoches E1,E2,E3) par une deuxième lamelle L2, solidaire du deuxième mobile M2, et agencée obliquement vers le périmètre intérieur du 1er mobile M1. Selon le mode de réalisation préférentiel décrit, la présence de 3 encoches espacées de manière définie (cycle de 3/3/4 sur 10 segments angulaires équidistants) est nécessaire pour permettre l'engrenage du 1er au 2e, puis du 11e au 12e, et enfin du 21e au 22e puis de ne plus entraîner pour le dernier quantième du mois (31), même si ce quantième se termine également par le chiffre d'unités « 1 ».The clutch mechanism of the second mobile M2 towards the first mobile M1 consists, in turn, according to the preferred embodiment described, by the drive of oriented notches (respectively first, second and third notches E1, E2, E3) by a second blade L2, integral with the second mobile M2, and arranged obliquely toward the inner perimeter of the 1st mobile M1. According to the preferred embodiment described, 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 (31), although this calendar also ends with the number of units "1".
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 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, la 2e lamelle L2 du 2e mobile M2 est en prise dans la 2e encoche E2 du 1er mobile, de telle sorte que, même en l'absence de dent sur la première denture principale D1 du premier mobile M1, ce dernier est entraîné en rotation par le 2e mobile M2, entraîné par la roue entraîneuse R de 24 heures d'un segment d'affichage supplémentaire dans le sens de rotation indiqué par les flèches sur les
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 segment d'affichage suivant où la deuxième denture 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
En effet, 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 et le premier chiffre « 2 » de la première suite U1 de premiers chiffres d'unités u1 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, à 10 heures environ sur le cadran.Indeed, once the indexing performed a comprehensive display cycle is performed and the angular position of the two mobile is identical over the counter, that the 2nd slide and the first digit "2" of the first sequence U1 first numbers u1 units located substantially at 10 o'clock on the dial, that is to say the angular segment just above that corresponding to the display window, about 10 hours 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 (10)
- Grand date calendar display device for a watch movement including a first disc (M1) and a second disc (M2), said first and second discs (M1, M2) being arranged to display, on certain dates, first date values (Q1) through a combination of symbols borne by said first disc (M1) and symbols borne by said second disc (M2), and on other dates, second date values (Q2) only through the symbols borne by said second disc (M2),
said first disc (M1) being a modified units display disc, bearing a first series of symbols (I1) comprising a first sequence (U1) of at most nine first consecutive units numerals (u1), said first series of symbols (11) being truncated by at least one second units numeral (u2) with respect to the complete series of ten units, said second disc (M2) being a modified tens display disc comprising a second series of symbols (I2) for the display of at least the tens of said date, including at least one combination of two numerals formed by a tens numeral (d) and one said second units numeral (u2),
characterised in that said first series of symbols (11) of said first disc (M1) is truncated by a sequence (U2) of a plurality of second consecutive units numerals (u2) starting with the numeral "0" with respect to the complete series of ten units. - Grand date calendar display device according to the preceding claim, characterised in that said first disc (M1) has a first number (N1) of at most ten first display segments (S10-S19) bearing said first series of symbols (I1).
- Grand date calendar display device according to any of the preceding claims, characterised in that the first symbols (i1) of said first series of symbols (11) and the second symbols (i2) of said second series of symbols (I2) are evenly distributed respectively on the first display segments (S10-S19) of said first disc (M1) and the second display segments (S20-S29) of said second disc (M2).
- Grand date calendar display device according to claim 3, wherein the first number (N1) of the first display segments (S10-S19) of said first disc (M1) and the second number (N2) of the second display segments (S20-S29) of said second disc (M2) are identical.
- Grand date calendar display device according to either claim 3 or claim 4, wherein each first display segment (S10, S11, S12, S13, S14, S15, S16, S17, S18, S19) is associated with the juxtaposition of a first recess (v1) followed by a first numeral (u1) or another first recess (v1), and each second display segment (S20, S21, S22, S23, S24, S25, S26, S27, S28, S29) is associated with the juxtaposition of a tens numeral (d) followed by a second recess (v2) or a second units numeral (u2).
- Grand date calendar display device according to claim 5, characterised in that the sizes of said first recess (v1), of said second recess (v2), of said tens numeral (d), of said first units numeral (u1) and of said second units numeral (u2) are all identical.
- Grand date calendar display device according to any of the preceding claims, wherein said first and second discs (M1, M2) are formed by superposed concentric annular elements.
- Grand date calendar display device according to any of the preceding claims, characterised in that each of the first and second discs (M1, M2) respectively has a first and a second main daily gear toothing (D1, D2) selectively meshing with a 24-hour drive wheel (R) according to the date.
- Grand date calendar display device according to claim 8, characterised in that each of the first and second discs (M1, M2) further respectively has a first and a second auxiliary correction toothing (D1', D2'), respectively arranged in a third and a fourth gear plane (P1', P2') that are different from the first and the second gear planes (P1, P2) of said first and second main toothings (D1, D2).
- Grand date calendar display device according to any of claims 7 to 9, wherein said first disc (M1) is formed by an annular element rotating about a maintaining plate (P), characterised in that an element for driving the second disc (M2) is arranged on said first disc (M1), and in that a fixed gear sector (K) is arranged on said maintaining plate (P), said element for driving the second disc (M2) engaging, at least on certain dates, with said fixed gear sector (K) in order to drive said second disc (M2).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14200609.7A EP3040784B1 (en) | 2014-12-30 | 2014-12-30 | Date display device for timepiece |
US14/962,603 US9547279B2 (en) | 2014-12-30 | 2015-12-08 | Calendar display device for a timepiece |
JP2015247245A JP6144329B2 (en) | 2014-12-30 | 2015-12-18 | Calendar display device for clock |
CN201511018216.1A CN105741674B (en) | 2014-12-30 | 2015-12-30 | Calendar display apparatus for clock and watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14200609.7A EP3040784B1 (en) | 2014-12-30 | 2014-12-30 | Date display device for timepiece |
Publications (2)
Publication Number | Publication Date |
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EP3040784A1 EP3040784A1 (en) | 2016-07-06 |
EP3040784B1 true EP3040784B1 (en) | 2018-08-15 |
Family
ID=52134064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14200609.7A Active EP3040784B1 (en) | 2014-12-30 | 2014-12-30 | Date display device for timepiece |
Country Status (4)
Country | Link |
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US (1) | US9547279B2 (en) |
EP (1) | EP3040784B1 (en) |
JP (1) | JP6144329B2 (en) |
CN (1) | CN105741674B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3667434B1 (en) * | 2018-12-10 | 2021-08-04 | Montres Breguet S.A. | Large date mechanism and timepiece comprising such a mechanism |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US359227A (en) * | 1887-03-08 | pallweber | ||
US2287679A (en) * | 1941-02-21 | 1942-06-23 | Frederick A Greenawalt | Dial clock |
JPS4845338A (en) * | 1971-10-11 | 1973-06-28 | ||
DE10050557C1 (en) * | 2000-10-12 | 2001-11-08 | Walter Haselberger | Time display device for wrist watch or pocket watch, has two display windows and two hour-discs for separate indication of day-time and night-time hours |
CN2496057Y (en) * | 2001-08-03 | 2002-06-19 | 上海表业有限公司 | Big calendar mechanism of watch |
DE602004019892D1 (en) | 2003-04-02 | 2009-04-23 | Ronda Ag | MONTH DAY MONTECHANISM FOR WATCH MOVEMENT |
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 |
JP4646016B2 (en) * | 2004-01-30 | 2011-03-09 | セイコーインスツル株式会社 | A watch with a calendar mechanism including the 1st day wheel and the 2nd day wheel |
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 |
CH707467B1 (en) * | 2005-09-13 | 2014-07-15 | Lvmh Swiss Mft Sa | Watch with multifunctional display. |
JP4692967B2 (en) * | 2006-01-27 | 2011-06-01 | セイコーインスツル株式会社 | Calendar clock with two date wheels arranged eccentrically |
JP4692968B2 (en) * | 2006-02-20 | 2011-06-01 | セイコーインスツル株式会社 | A watch with a calendar mechanism having a first date wheel and a second date wheel |
EP2490083B1 (en) | 2011-02-17 | 2013-10-16 | Glashütter Uhrenbetrieb GmbH | Calendar mechanism programme wheel |
US9323224B2 (en) * | 2012-06-06 | 2016-04-26 | Thanh Van Nguyen | Wall clock with perpetual calendar mechanism |
-
2014
- 2014-12-30 EP EP14200609.7A patent/EP3040784B1/en active Active
-
2015
- 2015-12-08 US US14/962,603 patent/US9547279B2/en active Active
- 2015-12-18 JP JP2015247245A patent/JP6144329B2/en active Active
- 2015-12-30 CN CN201511018216.1A patent/CN105741674B/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
JP6144329B2 (en) | 2017-06-07 |
US9547279B2 (en) | 2017-01-17 |
CN105741674A (en) | 2016-07-06 |
JP2016126009A (en) | 2016-07-11 |
US20160187853A1 (en) | 2016-06-30 |
EP3040784A1 (en) | 2016-07-06 |
CN105741674B (en) | 2018-01-16 |
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