EP3627240B1 - Walzenanzeigemechanismus für armbanduhr - Google Patents

Walzenanzeigemechanismus für armbanduhr Download PDF

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Publication number
EP3627240B1
EP3627240B1 EP19201625.1A EP19201625A EP3627240B1 EP 3627240 B1 EP3627240 B1 EP 3627240B1 EP 19201625 A EP19201625 A EP 19201625A EP 3627240 B1 EP3627240 B1 EP 3627240B1
Authority
EP
European Patent Office
Prior art keywords
flap
roller
drive
display
wheel
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.)
Active
Application number
EP19201625.1A
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English (en)
French (fr)
Other versions
EP3627240A1 (de
Inventor
Alain Zaugg
Eric Goeller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Breguet SA
Original Assignee
Montres Breguet SA
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Filing date
Publication date
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Publication of EP3627240A1 publication Critical patent/EP3627240A1/de
Application granted granted Critical
Publication of EP3627240B1 publication Critical patent/EP3627240B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/21—Drums
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/205—Indicating by numbered bands, drums, discs, or sheets by means of sheets
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/207—Indicating by numbered bands, drums, discs, or sheets by means of bands
    • 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
    • G04B19/24386—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 sheet-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
    • G04B19/24386—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 sheet-shaped
    • G04B19/24393—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
    • G09F11/04—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles the elements being secured to rotating discs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
    • G09F11/06—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles the elements being stiff plates or cards

Definitions

  • the invention relates to a timepiece display mechanism comprising at least one roller pivoting around a roller axis, the roller comprising at least one shutter pivoting around a shutter axis parallel to the roller axis and separate of the roller axis, said at least one flap comprising at least a first face and at least a second face, the display mechanism comprising first drive means for pivoting the roller around the roller axis, wherein said display mechanism comprises second drive means distinct from said first drive means for pivoting at least one said flap around its said flap axis, in at least one determined position of said flap axis with respect to said axis of roller.
  • the invention also relates to a watch comprising at least one such display mechanism.
  • the invention relates to the field of timepiece display mechanisms, in particular for watches, and more particularly to calendar display mechanisms.
  • the readability of displays is a major concern in watchmaking, especially for displays of the calendar type, which are difficult to produce in formats that are easily visible and decipherable by the user.
  • Watchmaking displays are rarely made by rolls because the indications in this form are greedy in thickness, due to the diameter of the roll, comprising for example up to 31 indications for the days of the month, or 52 indications for the weeks of the year. , and incompatible with the particular geometry of a watch.
  • the document JP S53 93260U describes a clockwork mechanism with a roller and a two-sided pivoting flap.
  • the document EP2985660A1 in the name of ROLEX describes a device for displaying a time indication comprising a first wheel set including a first toothing and a first disk bearing figures intended to indicate the units of the time indication, a second wheel set including a second toothing and a second disk bearing figures intended to indicate the tens of the time indication, and a mechanism for driving the first and second wheels, the mechanism comprising a control wheel comprising a third toothing arranged so as to cooperate by obstacle with the first toothing , a fourth toothing arranged so as to cooperate by obstacle with the second toothing, a drive wheel comprising a fifth toothing arranged so as to cooperate by obstacle with the third and fourth toothing.
  • the invention proposes to develop a roller display, with readable horological indications despite the limited diameter of the rollers.
  • the invention relates to a display mechanism comprising at least one roller pivoting about a roller axis, said roller comprising at least one flap pivoting about a flap axis parallel to said roller axis and distinct from said roller axis, said at least one flap comprising at least a first face and at least a second face, said display mechanism comprising first drive means for pivoting said roller around said roller axis, wherein said display comprises second drive means distinct from said first drive means for pivoting at least one said flap around its said flap axis, in at least one determined position of said flap axis relative to said roller axis, characterized in that said second drive means are arranged to rotate synchronously each said shutter that includes a said roller.
  • the invention also relates to a watch comprising at least one such display mechanism.
  • the invention is illustrated in the figures, in a non-limiting manner, with rollers for the days of the week, the date (a tens roller and a units roller), and months.
  • the figure 1 illustrates for example, in a non-limiting way, a watch comprising rollers, with a height of characters greater than 2.20mm, on a roller with a diameter of 5.00mm.
  • the invention relates to a timepiece display mechanism 100 comprising at least one roller 10, taking on the figures differentiated references: 11, 12, 13, 14, pivoting about a roller axis D10.
  • This roller 10, 11, 12, 13, 14 comprises at least one flap 20, which is pivotally mounted about a flap axis D20 parallel to the roller axis D10 and distinct from the roller axis D10.
  • This at least one flap 20 comprises at least one first face 201 and at least one second face 202, arranged so that the user can view only one of these faces at a given time.
  • the display mechanism 100 comprises first drive means 31 to cause the roller 10, 11, 12, 13, 14 to pivot around the roller axis D10.
  • This display mechanism 100 comprises second drive means 32, distinct from the first drive means 31, for pivoting at least one such flap 20 around its flap axis D20, in at least one determined position of the shutter axis D20 with respect to roller axis D10.
  • a constant rotation of the flaps 20 as a function of the rollers 10, 11, 12, 13, 14, is calculated so that, at the display position visible to the user, the indication of flap 20 is rotated 180° per turn of roller 10, 11, 12, 13, 14.
  • the second drive means 32 are arranged to cause a single flap 20 to pivot at a time, independently of the other flaps 20 that comprise a roller 10, 11, 12, 13, 14.
  • the second drive means 32 are arranged to pivot synchronously each flap 20 that comprises a roller 10, 11, 12, 13, 14. This saves energy necessary for the display mechanism.
  • the second drive means 32 are arranged to pivot a single flap 20 at a time, more particularly, the second drive means 32 are arranged to pivot the only flap 20 in a single determined position of the flap axis D20 with respect to the roller axis D10.
  • the second drive means 32 comprise, at each flap 20, at least one flap drive pinion 35 centered on the flap axis D20.
  • This shutter drive pinion 35 is more particularly arranged to cooperate with a control means, which the display mechanism 100 comprises, to modify in sequence or continuously the position of the successive shutters 20 of the same roller 10, 11 , 12, 13, 14, or to modify the position of a given flap 20 on demand. It is thus possible to modify the position of a determined shutter on demand.
  • motorization of the second drive means 32 or control by a watch stem, or a pusher, a bolt, or the like, facilitates the updating of a calendar after a prolonged stoppage of a watch.
  • each flap 20 comprises, for its maintenance in the orientation position, a flap cam 25, in particular a core cam, comprising as many low points 26 as the flap 20 comprises faces 201, 202.
  • the roller 10 , 11, 12, 13, 14, comprises, in a variant not covered by the claims, at least one spring 15 which is arranged to exert a force on a jumper 17 arranged close to each flap cam for indexing in position of this shutter cam 25, as visible on the figures 9 and 11 .
  • the couple constituted by this jumper and this spring is advantageously replaced by at least one spring 15 of special shape, in particular a single spring as illustrated, combining the two functions of spring and jumper, and which replaces all the jumpers 17 of the variant of figures 9 and 11 .
  • each flap 20 comprises, for its maintenance in the orientation position, a flap cam 25 or a core cam comprising as many low points 26 as the flap 20 comprises faces 201, 202, and the roller 10, 11, 12, 13, 14 comprises, for each flap cam 25 or core cam, at least one magnet 70 arranged to exert a force on the flap cam 25 or core cam made of magnetic material for the indexing in position of the shutter cam 25 or cam-heart, as visible on the figure 17 .
  • the first drive means 31 comprise, as visible on the figures 3 and 4 , a drive wheel 3120, 3130, some of whose teeth are removed, and which meshes with a roller drive pinion 312, 313, either directly or via a reduction torque 3131, to obtain the desired reduction. This allows in particular the display of the date.
  • At least one roller 10, 11, 12, 13, 14 comprises at least one fixed display position and at least one mobile display position via a flap 20 comprising a plurality of faces 201, 202, such as seen on the figure 16 .
  • the first drive means 31 comprise an input gear train 61 which drives a main wheel 60, one revolution of which corresponds to the display time period of the roller 10, 11, 12, 13, 14, and which carries a main cam 50 carrying peripheral sectors 51 separated by recesses 52, the peripheral sectors 51 being of unequal amplitude, the shorter corresponding to the fixed display positions, and the longer corresponding to the mobile display positions.
  • the main cam 50 cooperates with a secondary cam 40 in the form of an eccentric Maltese cross and arranged to pivot when passing a recess 52.
  • the secondary cam 40 carries a secondary wheel 42 meshing with a roller drive wheel 62.
  • the wheel 60 also carries a main flap drive wheel 63, which itself meshes with a flap pinion 64 which is arranged to control a flap drive pinion 35 centered on the flap axis D20 or constituting itself even such a flap drive pinion 35.
  • the invention also relates to a watch 1000 comprising at least one such display mechanism 100.
  • the figure 2 illustrates a roll date display. As 31 days cannot be displayed on the circumference of a 5mm diameter roll, or similar, the units and tens are spread over two rolls: four digits on a roll of tens 12, ten digits on a roll of units 13 .
  • the drive of the two rollers is done by two control wheels 3120 and 3130, of 31 teeth each, where teeth are eliminated, in correspondence of the days when no rotation of the respective roller is necessary.
  • the picture 3 shows the drive train of the tens roller 12: the first drive means 31 comprise a first control wheel 3120, which comprises only four teeth present out of the 31 theoretical teeth, to drive the four teeth of a four-star 312 drive teeth of the tens roller 12. A jumper not shown in the drawing is necessary to maintain the position of the star with four teeth 312, and to complete the training function.
  • the figure 4 shows the drive train of the roller of the units 13: the first drive means 31 comprise a second control wheel 3130, which comprises only part of the 31 theoretical teeth, depending on the type of display produced, to drive the ten teeth of a pinion of the units 313 for driving the roller of the units 13.
  • the second control wheel 3130 can thus comprise either thirty teeth, or else, as here, twenty-nine teeth, the two missing teeth making it possible to cancel the rotation of the units during the transition from 31 to 01.
  • a jumper not shown in the drawing is necessary to maintain the position of the pinion of the units 313 with ten teeth, and to maintain the display position.
  • the figures 5 and 6 illustrate the display of units on a roll of 13 units.
  • the ten units spread around the circumference of a 5mm diameter roll do not allow for a large enough character size.
  • the roll of units 13 comprises several flaps 20A, 20B, 20C, 20D, 20E, each carrying on its at least two opposite faces 201, 202, at least two digits of the units.
  • the roll of units 13 is thus divided, and five two-sided flaps 20 carry the ten units. These flaps 20 alternately present their two faces 201 and 202 to the user, and make it possible to double the height of the characters of the units.
  • the figures 7 to 11 illustrate the rotation and the maintenance in place of the flaps 20 during the rotation of the carrier roller 10, and of their own rotation.
  • the flaps 20 can be driven in continuous rotation relative to the rotation of the roller 10, with a ratio of one half. This solution is simple but requires space over the entire circumference of the roller 10, which is not always possible.
  • each flap 20 is then held in position by a spring jumper 17, which collaborates with a flap cam 25, in particular of the cam-heart type, with two positions, mounted on the axis of the flap concerned, the low point 26 of which cooperates with a projecting from jumper 17.
  • a pinion 35 is also mounted on the axis of flap 20.
  • This pinion 35 can be driven by a cog comprising the second drive means 32, not illustrated in the figures.
  • the second drive means 32 comprise a segment of fixed teeth, located at a point on the periphery of the roller 10. During the rotation of the roller 10, a flap pinion 35 comes into cooperative contact with this segment, which generates a 180° rotation of the flap 20 concerned.
  • the figures 12 to 14 illustrate, in a similar way, the rotation of a month roll comprising six flaps 20. Naturally, to produce twelve indications on the circumference, it is also possible to use four flaps with three faces, or even three flaps with four faces.
  • the first drive means 31 comprise an input gear train 61 which drives a main wheel 60, one revolution of which corresponds to the display time period of the roller 10, 11, 12, 13, 14, and which carries a main cam 50 carrying peripheral sectors of unequal geometry, concentric sectors 51 corresponding to the fixed display positions, and sectors with recesses 52 and provided with drive pins 5X corresponding to the mobile positions of the display roller 10, 11, 12, 13, 14.
  • This main cam 50 cooperates with a secondary cam 40 in the form of an eccentric Maltese cross, pivoting around a fixed point, and arranged to pivot when passing a recess 52 and with a 5X pin.
  • This secondary cam 40 carries a secondary wheel 42 meshing with a wheel roller drive 62, and the main wheel 60 further carries a main shutter drive wheel 63, which itself meshes with a shutter pinion 64 arranged to control a shutter drive pinion 35 centered on the flap shaft D20 or itself constituting a flap drive pinion 35.
  • the figure 16 describes the first variant of a roller with six fixed positions and a two-sided flap.
  • the adaptation to the other variants can be carried out in a similar way.
  • the first drive means 31 comprise an input gear train 61, which drives a main wheel 60, one revolution of which corresponds to the display time period of the roller 10, in the application to the display of the days of the week, this main wheel 60 is driven 1/7 of a turn per day.
  • the main wheel 60 is driven by 1/N of a revolution per day.
  • the main wheel 60 carries a main cam 50, which is separated into N different peripheral sectors. These peripheral sectors are of unequal geometry: concentric sectors 51 correspond to the fixed display positions, and sectors with recesses 52 and provided with drive pins 5X correspond to the mobile positions of the display roller. Moreover, the angular amplitude of the concentric sectors 51 can be variable, as will be seen below.
  • This main cam 50 cooperates with a secondary cam 40 in the form of a Maltese cross, via the pins and the notches mentioned above.
  • This secondary cam 40 is eccentric, pivots around a fixed point, and is arranged to pivot during the passage of a recess 52 and a 5X pin.
  • This secondary cam 40 carries a secondary wheel 42 which meshes with a roller drive wheel 62, itself secured to the display roller 10 concerned.
  • the secondary Maltese cross cam 40 thus drives, six days out of seven, this roller drive wheel 62 by 1/6 turn, which corresponds to the six fixed positions of the roller.
  • the seat 41 of the secondary cam 40 in the form of a Maltese cross remains in contact with the longest 510 of the concentric sectors 51, and the secondary cam 40 in the form of a Maltese cross cannot therefore pivot.
  • the roller drive wheel 62 is not driven, and the roller then remains stationary.
  • the main wheel 60 also carries a main shutter drive wheel 63, which itself meshes with a shutter pinion 64 arranged to control a shutter drive pinion 35 centered on the shutter axis D20, or else constituting itself a shutter drive pinion 35.
  • This main flap drive wheel 63 performs, like the main wheel 60, 1/7 of a turn per day.
  • the flap pinion 64 carries the flap 20 on both sides, and meshes with a ratio of 3.5 with the main flap drive wheel 63.
  • FIGS 17 and 18 illustrate an advantageous variant of the invention as claimed, where the jumpers and the spring maintaining the flaps in position are replaced by magnets 70, which exert a force, in particular attraction, on the cams made of magnetic material.
  • the first drive means 31 comprise an input gear train 61 which drives a main wheel 60 whose one revolution corresponds to the display time period of the roller 10, 11, 12, 13, 14, and which carries a main cam 50 carrying peripheral sectors of unequal geometry: concentric sectors 51 corresponding to the fixed display positions, and sectors comprising means drive 53 neighboring recesses 52.
  • the main cam 50 cooperates with an off-centered star 71, pivoting around a fixed point, and arranged to pivot during the passage of such a drive means 53, and to remain in its angular position when two teeth 72 that it comprises bear on a concentric sector 51.
  • This star wheel 71 carries a secondary wheel 70, which meshes with a roller drive wheel 62 itself secured to the roller 10, 11, 12, 13, 14.
  • the main wheel 60 carries, as before, a main flap drive wheel 63, which itself meshes with a flap pinion arranged to control a flap drive pinion 35 centered on the flap shaft D20 or itself constituting a flap drive pinion 35.
  • the figures 19 and 20 illustrate a variant of this embodiment, which includes partial toothing.
  • This variant is illustrated for a particular non-limiting case of a version with five fixed positions, comprising two mobile flaps 20B and 20E with two faces, and without a Maltese cross.
  • a drive pinion of the input gear train 61 performs 1 revolution per day, and drives a main wheel 60, which does 1/N, ie here 1/7 revolution per day.
  • the main wheel 60 carries a main cam 50, which is separated into seven different peripheral sectors, the peripheral sectors whether or not comprising drive means (here consisting of teeth 53), the concentric sectors 51 corresponding to the fixed display positions of the roller 20, and the sectors with drive means 53 corresponding to the mobile positions of the display roller.
  • drive means here consisting of teeth 53
  • This main cam 50 cooperates with a star 71 of 4 teeth, held by a jumper not shown.
  • This star of four 71 is eccentric, pivots around a fixed point, it is arranged to pivot during the passage of a drive means, in particular a tooth in the illustrated, non-limiting embodiment.
  • the drive means 53 here comprising teeth, and preferably combined with recesses 52, are arranged to mesh with teeth 72 of the star of four 71.
  • the drive means 53 here comprising teeth, and preferably combined with recesses 52, are arranged to mesh with teeth 72 of the star of four 71.
  • the star of four 71, pivoted on the plate, is thus arranged to perform 1/4 of a turn per day, except two days a week.
  • this star 71 has rotated from Monday to Tuesday, it remains in its position on Tuesday and Wednesday, before changing position between Wednesday and Thursday.
  • Flap 20B will display a first position on Tuesday, will rotate 180° from Tuesday to Wednesday, to display a second position on Wednesday.
  • flap 20E will display a first position on Saturday, will rotate 180° from Saturday to Sunday, to display a second position on Sunday.
  • the user will see fixed displays on the periphery of roll 20: 20A on Monday, 20C on Thursday, 20D on Friday.
  • This star of four 71 carries a secondary wheel 70, which meshes with a roller drive wheel 62, itself integral with the display roller 10.
  • the star of four teeth 71 in fact drives, five days out of seven, this roller drive wheel 62 by 1/5 of a turn, which corresponds to the five fixed positions of the roller.
  • the main wheel 60 also carries a main shutter drive wheel 63, which itself meshes with a shutter pinion arranged to control a shutter drive pinion centered on the shutter axis D20, or else constituting itself even a flap drive sprocket 35.
  • This main flap drive wheel 63 performs, like the main wheel, 1/7 of a turn per day.
  • the flap sprockets carry the two-sided flaps 20B and 20E, and mesh at a ratio of 3.5 with the main flap drive wheel 63.
  • the figures 22 to 26 represent, schematically, a variant for a display of the leap years 400.
  • This display of the leap years 400 can be done by one or more hands, in particular and without limitation in the example of the figures with a triple hand 401 at 120°, in the extension of the axis 402 of the month roller, facing a leap additional display 403, in particular comprising in the usual way marks such as 1, 2, 3, L, or B, or similar.
  • a star 404 held by a jumper 405, drives this triple hand 401, and is itself driven by an eccentric lever 406 secured to a flap 407.
  • the rotation of the star 404 is done by an eccentric lever 406 secured to the shutter 407 of the months of March/September.
  • this flap 407 pivots via the toothed sector 408, the latter pushes the star 404 by one notch, as visible on the figures 24 and 25 .
  • the roller makes one revolution in six months, in July the lever does not trigger the rotation of the star.
  • the figure 27 illustrates another variant of maintaining the flaps 407 without jumper, and with drive by partial toothing, with guidance by an outer circumference 420 in contact with the flap 407 itself.
  • the shutter 407 is guided in position by two teeth 410, 411, of its drive pinion 409. This may have one or more teeth removed, at a recess 412, to facilitate the function.
  • the support is advantageously made on an outer or inner partial guide circumference, by two teeth defining a rotation circumference crossing the guide circumference. This crossing limits the rotation of the rollers on their axes.
  • the guide circumference is interrupted on a portion 421 allowing the rotation. This rotation is controlled by a toothing segment 408 provided for this purpose. This can, as in the figure, be part of the guide circumference 420.
  • the shutter in a shutter variant without jumper, can be guided directly by an outer circumference in contact with the shutter itself. In this way, the guide circumference is interrupted to allow the flap to pass.
  • the drive pinion can then be found in the configuration of the variant of the figures 7 to 11 , or even in that of figures 17 and 18 .
  • the different variants of the invention make it possible to produce roller displays of all kinds of indications in the reduced volume of a watch of normal size, with in particular a total thickness of the order of 10 mm outside the crystals. , or ice and bottom.
  • the shutters are not in contact with any part of the watch, and are not subject to any shock or friction as part of their normal operation.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Transmission Devices (AREA)

Claims (8)

  1. Anzeigemechanismus (100) für die Uhrmacherei, umfassend mindestens eine Rolle (10, 11, 12, 13, 14), die um eine Rollenachse (D10) schwenkt, wobei die Rolle (10, 11, 12, 13, 14) mindestens eine Klappe (20) umfasst, die um eine Klappenachse (D20) schwenkt, die zu der Rollenachse (D10) parallel und von der Rollenachse (D10) verschieden ist, die mindestens eine Klappe (20) mindestens eine erste Seite (201) und mindestens eine zweite Seite (202) umfasst, wobei der Anzeigemechanismus (100) erste Antriebsmittel (31) umfasst, um die Rolle (10, 11, 12, 13, 14) um die Rollenachse (D10) schwenken zu lassen, wobei der Anzeigemechanismus (100) zweite Antriebsmittel (32), die von den ersten Antriebsmitteln (31) verschieden sind, umfasst, um in mindestens einer bestimmten Position der Klappenachse (D20) in Bezug auf die Rollenachse (D10) die mindestens eine Klappe (20) um ihre Klappenachse (D20) schwenken zu lassen, und wobei die zweiten Antriebsmittel (32) so angeordnet sind, dass sie jede Klappe (20), die eine Rolle (10, 11, 12, 13, 14) umfasst, synchron schwenken lassen, dadurch gekennzeichnet, dass jede Klappe (20), um ihre Ausrichtungsposition beizubehalten, eine Klappenkurvenscheibe (25) oder eine Kernkurvenscheibe umfasst, der ebenso viele Tiefpunkte (26) umfasst wie die Klappe (20) Seiten (201, 202) umfasst, und dadurch, dass die Rolle (10, 11, 12, 13, 14) für jede Klappenkurvenscheibe (25) oder Kernkurvenscheibe mindestens einen Magneten (70) umfasst, der so angeordnet ist, dass er auf die Klappenkurvenscheibe (25) oder die Kernkurvenscheibe aus magnetischem Material eine Kraft ausübt, um die Position der Klappenkurvenscheibe (25) oder der Kernkurvenscheibe zu indexieren.
  2. Anzeigemechanismus (100) nach Anspruch 1, dadurch gekennzeichnet, dass eine konstante Drehung der Klappen (20) in Abhängigkeit von der Rolle (10, 11, 12, 13, 14) so berechnet wird, dass in der für den Anwender sichtbaren Anzeigeposition die Angabe der Klappe (20) um 180° pro Umdrehung der Rolle (10, 11, 12, 13, 14) gedreht wird.
  3. Anzeigemechanismus (100) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zweiten Antriebsmittel (32) auf Höhe jeder Klappe (20) mindestens einen Klappenantriebstrieb (35) umfassen, der auf die Klappenachse (D20) ausgerichtet ist und so angeordnet ist, dass es mit einem Steuermittel zusammenwirkt, das der Anzeigemechanismus (100) umfasst, um sequentiell oder kontinuierlich die Position der aufeinanderfolgenden Klappen (20) einer selben Rolle (10, 11, 12, 13, 14) zu ändern.
  4. Anzeigemechanismus (100) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die ersten Antriebsmittel (31) ein Steuerrad (3120, 3130) umfassen, in dem bestimmte Zähne weggelassen sind, und das mit einem Rollenantriebstrieb (312, 313) entweder direkt oder über ein Untersetzungsdrehmoment (3131) in Eingriff steht, um die gewünschte Untersetzung zu erhalten.
  5. Anzeigemechanismus (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mindestens eine Rolle (10, 11, 12, 13, 14) mindestens eine feste Anzeigeposition und mindestens eine bewegliche Anzeigeposition pro Klappe (20), die eine Vielzahl von Seiten (201, 202) umfasst, umfasst.
  6. Anzeigemechanismus (100) nach Anspruch 5, dadurch gekennzeichnet, dass die ersten Antriebsmittel (31) ein Eingangsräderwerk (61) umfassen, das ein Hauptrad (60) antreibt, bei dem ein Umlauf der Anzeigezeitperiode der Rolle (10, 11, 12, 13, 14) entspricht und das eine Hauptkurvenscheibe (50) trägt, der Umfangssektoren mit ungleicher Geometrie trägt, festen Anzeigepositionen entsprechende konzentrische Sektoren (51), und Sektoren, die Aussparungen (52) besitzen, und mit Mitnehmerstiften (5X) versehen sind, die den beweglichen Positionen der Anzeigerolle (10, 11, 12, 13, 14) entsprechen, wobei die Hauptkurvenscheibe (50) mit einer Nebenkurvenscheibe (40) in Form eines exzentrischen Malteserkreuzes zusammenwirkt, die um einen festen Punkt schwenkt und so angeordnet ist, dass es beim Passieren einer Aussparung (52) und eines Stifts (5X) schwenkt, wobei die Nebenkurvenscheibe (40) ein mit einem Rollenantriebsrad (62) in Eingriff stehendes Nebenrad (42) trägt, und wobei das Hauptrad (60) weiter ein Haupt-Klappenantriebsrad (63) trägt, das seinerseits mit einem Klappentrieb (64) in Eingriff steht, der so angeordnet ist, dass er einen auf die Klappenachse (D20) ausgerichteten Klappenantriebstrieb (35) steuert oder selbst ein Klappenantriebstrieb (35) bildet.
  7. Anzeigemechanismus (100) nach Anspruch 5, dadurch gekennzeichnet, dass die ersten Antriebsmittel (31) ein Eingangsräderwerk (61) umfassen, das ein Hauptrad (60) antreibt, bei dem eine Umdrehung der Anzeigezeitperiode der Rolle (10, 11, 12, 13, 14) entspricht und das eine Hauptkurvenscheibe (50) trägt, die Umfangssektoren mit ungleicher Geometrie trägt, den festen Anzeigepositionen entsprechende konzentrische Sektoren (51), und Sektoren, die zu Aussparungen (52) benachbarte Antriebsmittel (53) umfassen, wobei die Hauptkurvenscheibe (50) mit einem exzentrischen Stern (71) zusammenwirkt, der um einen festen Punkt schwenkt und so angeordnet ist, dass er beim Passieren eines Antriebsmittels (53) schwenkt, und in seiner Winkelposition bleibt, wenn zwei Zähne (72), die er umfasst, an einem konzentrischen Sektor (51) anliegen, wobei der Stern (71) ein Nebenrad (70) trägt, das mit einem Rollenantriebsrad (62) in Eingriff steht, das seinerseits mit der Rolle (10, 11, 12, 13, 14) fest verbunden ist, wobei das Hauptrad (60) weiter ein Haupt-Klappenantriebsrad (63) trägt, das seinerseits mit einem Klappentrieb in Eingriff steht, der so angeordnet ist, dass er einen Klappenantriebstrieb (35) steuert, der auf die Klappenachse (D20) ausgerichtet ist, oder selbst einen Klappenantriebstrieb (35) bildet.
  8. Uhr (1000), umfassend mindestens einen Anzeigemechanismus (100) nach einem der Ansprüche 1 bis 7.
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CH713873A2 (fr) 2018-12-14
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CN110647025A (zh) 2020-01-03
US10365610B2 (en) 2019-07-30
EP3627241B1 (de) 2022-02-16
EP3627239A1 (de) 2020-03-25
CN110579956B (zh) 2021-04-02
EP3267266B1 (de) 2020-04-08
HK1248835A1 (zh) 2018-10-19
CN107577134B (zh) 2019-11-01
EP3267266A1 (de) 2018-01-10
EP3627240A1 (de) 2020-03-25
CN110579956A (zh) 2019-12-17
CN110579955B (zh) 2021-08-27
CN110579955A (zh) 2019-12-17
EP3627239B1 (de) 2024-04-17
CH713873B1 (fr) 2021-12-30
US20180011444A1 (en) 2018-01-11
CN107577134A (zh) 2018-01-12
EP3627241A1 (de) 2020-03-25

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