EP3040784A1 - Datumsanzeigevorrichtung für eine Uhr - Google Patents

Datumsanzeigevorrichtung für eine Uhr Download PDF

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Publication number
EP3040784A1
EP3040784A1 EP14200609.7A EP14200609A EP3040784A1 EP 3040784 A1 EP3040784 A1 EP 3040784A1 EP 14200609 A EP14200609 A EP 14200609A EP 3040784 A1 EP3040784 A1 EP 3040784A1
Authority
EP
European Patent Office
Prior art keywords
mobile
date
display
indications
digit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14200609.7A
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English (en)
French (fr)
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EP3040784B1 (de
Inventor
Stefan Rombach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP14200609.7A priority Critical patent/EP3040784B1/de
Priority to US14/962,603 priority patent/US9547279B2/en
Priority to JP2015247245A priority patent/JP6144329B2/ja
Priority to CN201511018216.1A priority patent/CN105741674B/zh
Publication of EP3040784A1 publication Critical patent/EP3040784A1/de
Application granted granted Critical
Publication of EP3040784B1 publication Critical patent/EP3040784B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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 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 .
  • 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.
  • 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 of the tens 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 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 date ending with the truncated units of the first mobile M1, c 0 and 1.
  • This second mobile M2 must therefore make it possible to display the dates 01, 10, 11, 20, 21, 30 and 31 without requiring a combination with the first mobile M1, and these 7 date values are referred to as "second calendars" Q2, that is to say calendar of values fully 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.
  • 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 d display has a substantially annular shape, that is to say whose geometric shape obtained by the ball Providing all the indications during a display cycle corresponds to a ring, freeing 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 first and second mobiles use exactly the same number of display indications, that is to say the number of first indications i1 of the first set of indications I1 of 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 than once in each cycle, which maximizes the size of each display segment and therefore the size of the displayed numbers.
  • 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 preferred embodiment proposed. It distinguishes the road M0 movement, which drives, through a gear ratio appropriate wheel 24-hour coach R so that she does 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 where, apart from the first sequence U1 of first digits u1 of units 2-9, there is also a first lamella L1 for driving the second mobile 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 level inner periphery, provided for the training of the date ending with "1" to the date ending with "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 illustrate a three-dimensional view of the gear mechanism of the different teeth of the first and second movable with the driving wheel of 24 hours and in particular the first main gear D1 meshing in the first main gear plane P1 and the second main gear D2 meshing with 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 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.
  • the clutch mechanism of the second mobile unit M2 towards the first mobile unit M1 consists, as for it, according to the preferred embodiment described, by the driving of oriented notches (respectively first, second and third slots E1, E2, E3) by a second lamella L2, integral with the second mobile M2, and arranged obliquely toward the inner perimeter of the 1st mobile M1.
  • oriented notches respectively first, second and third slots E1, E2, E3
  • second lamella 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 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 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 this 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 with respect to the 1st-like notch in 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 training mode of the 1st and the 2 nd mobile M1, M2 is very simple, since the first main set of teeth D1 of the 1 st mobile M1 and the 2nd main set of teeth D2 of the 2nd mobile M2 each contain a tooth which meshes with the driving wheel R, such that 'no clutch mechanism is needed.
  • 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 movable which rotate simultaneously during indexing.
  • 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 show the indexed position of an additional display segment of 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 below the window formed by the display window 1 F1 st and 2 nd window F2 display.
  • 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 toothless sector referenced a21 for the 2 nd day 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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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
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EP14200609.7A 2014-12-30 2014-12-30 Datumsanzeigevorrichtung für eine Uhr Active EP3040784B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP14200609.7A EP3040784B1 (de) 2014-12-30 2014-12-30 Datumsanzeigevorrichtung für eine Uhr
US14/962,603 US9547279B2 (en) 2014-12-30 2015-12-08 Calendar display device for a timepiece
JP2015247245A JP6144329B2 (ja) 2014-12-30 2015-12-18 時計用のカレンダー表示装置
CN201511018216.1A CN105741674B (zh) 2014-12-30 2015-12-30 用于钟表的日历显示装置

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EP14200609.7A EP3040784B1 (de) 2014-12-30 2014-12-30 Datumsanzeigevorrichtung für eine Uhr

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EP3040784A1 true EP3040784A1 (de) 2016-07-06
EP3040784B1 EP3040784B1 (de) 2018-08-15

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EP1536300A1 (de) * 2003-11-26 2005-06-01 ETA SA Manufacture Horlogère Suisse Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen
EP1609028A2 (de) 2003-04-02 2005-12-28 Ronda Ag Monatstaganzeigemechanismus für uhrenbewegung
EP2490083A1 (de) 2011-02-17 2012-08-22 Glashütter Uhrenbetrieb GmbH Programmrädchen eines Datumsmechanismus

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EP1609028A2 (de) 2003-04-02 2005-12-28 Ronda Ag Monatstaganzeigemechanismus für uhrenbewegung
WO2004114027A2 (fr) * 2003-06-23 2004-12-29 Ronda Ag Engrenage pour mouvement de montre
EP1536300A1 (de) * 2003-11-26 2005-06-01 ETA SA Manufacture Horlogère Suisse Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen
EP2490083A1 (de) 2011-02-17 2012-08-22 Glashütter Uhrenbetrieb GmbH Programmrädchen eines Datumsmechanismus

Also Published As

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JP6144329B2 (ja) 2017-06-07
US9547279B2 (en) 2017-01-17
US20160187853A1 (en) 2016-06-30
CN105741674A (zh) 2016-07-06
JP2016126009A (ja) 2016-07-11
CN105741674B (zh) 2018-01-16
EP3040784B1 (de) 2018-08-15

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