EP3627241B1 - Roller display mechanism for a watch - Google Patents
Roller display mechanism for a watch Download PDFInfo
- Publication number
- EP3627241B1 EP3627241B1 EP19201627.7A EP19201627A EP3627241B1 EP 3627241 B1 EP3627241 B1 EP 3627241B1 EP 19201627 A EP19201627 A EP 19201627A EP 3627241 B1 EP3627241 B1 EP 3627241B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flap
- roller
- drive
- cam
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 244000027321 Lychnis chalcedonica Species 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 10
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- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000036961 partial effect Effects 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
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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
- G04B19/20—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
- G04B19/21—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
- G04B19/24—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
- G04B19/205—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 produced 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 FR2220840A1 in the name of GENERAL ELECTRIC discloses a digital indicator for visually displaying digits, comprising a rotatable indicator member having a plurality of digits arranged thereon in sequential order so that they can be successively moved to a viewing position, a gear wheel attached to said indicator element for rotating therewith, a lever having a surface for engaging successive teeth of said toothed wheel to maintain the digits of said rotatable indicator element in particular viewing positions, spring means for urging the surface of said lever towards the teeth of said toothed wheel, and a drive member for incrementally moving said toothed wheel to bring successive digits into a viewing position.
- This drive member is attached to a shaft spaced from said gear wheel, and has a drive finger for contacting one of the teeth of said gear wheel as the drive member completes one revolution, the drive finger advancing the gear wheel and said rotatable indicator member an angular distance corresponding to that required to bring the next number of the rotatable indicator to a viewing position; and said lever being positioned in the path of said drive finger such that upon rotation of the drive finger, the lever is moved away from the teeth of the sprocket by the drive finger, thereby allowing the finger to drive to contact one of the teeth of the sprocket to advance the sprocket and indicating element to a next numerical position.
- the invention proposes to develop a roller display, with readable horological indications despite the limited diameter of the rollers.
- the invention relates to a timepiece 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 about said roller axis, wherein said display mechanism comprises second drive means separate from said first drive means for pivoting at least one said shutter about its said axis of shutter, in at least one determined position of said shutter axis with respect to said roller axis, characterized in that at least one said roller comprises at least one fixed display position and at least one mobile display position by a said shutter comprising a plurality of said faces.
- 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 separate 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 shutters 20 according to the rollers 10, 11, 12, 13, 14, is calculated so that, at the display position visible to the user, the indication of the flap 20 is rotated 180° per turn of the 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 rotate synchronously each flap 20 that comprises a roller 10, 11, 12, 13, 14. This saves the energy necessary for the mechanism of display.
- 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, preferably comprises at least one spring 15 which is arranged to exert a force on a jumper 17 arranged close to each flap cam for the indexing in position of this flap cam 25, such than 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 to the indexing in position of the flap 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 control 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, as seen in 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 main wheel 60 also carries a main shutter 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 itself constituting 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 teeth 312 for driving 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 driving 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.
- 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 roller drive wheel 62, and the main wheel 60 also carries a main shutter drive wheel 63, which itself meshes with a shutter pinion 64 arranged to control a flap drive pinion 35 centered on the flap axis 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, 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 drive means 53 adjacent to recesses 52.
- the main cam 50 cooperates with an eccentric star 71, pivoting around a fixed point, and arranged to pivot when such a drive means 53 passes, and to remain in its angular position when two teeth 72 that it comprises bear on a concentric sector 51.
- This star 71 carries a secondary wheel 70, which meshes with a roller drive wheel 62 itself solida ire of the roller 10, 11, 12, 13, 14.
- the main wheel 60 carries, as before, a main shutter drive wheel 63, which itself meshes with a shutter pinion arranged to control a drive pinion flap 35 centered on the flap axis 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.
- star 71 has rotated from Friday to Saturday, it remains in its position on Saturday and Sunday, before changing position between Sunday and Monday.
- 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 leap years 400.
- This display of leap years 400 can be done by one or more hands, in particular and not limitingly 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 complementary bissextile display 403, in particular comprising in the usual manner marks such as 1, 2, 3, L, or B, or the like.
- 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)
Description
L'invention concerne un mécanisme d'affichage d'horlogerie comportant au moins un rouleau pivotant autour d'un axe de rouleau, le rouleau comportant au moins un volet pivotant autour d'un axe de volet parallèle à l'axe de rouleau et distinct de l'axe de rouleau, ledit au moins un volet comportant au moins une première face et au moins une deuxième face, le mécanisme d'affichage comportant des premiers moyens d'entraînement pour faire pivoter le rouleau autour de l'axe de rouleau, où ledit mécanisme d'affichage comporte des deuxièmes moyens d'entraînement distincts desdits premiers moyens d'entraînement pour faire pivoter au moins un dit volet autour de son dit axe de volet, dans au moins une position déterminée dudit axe de volet par rapport audit axe de rouleau.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.
L'invention concerne encore une montre comportant au moins un tel mécanisme d'affichage.The invention also relates to a watch comprising at least one such display mechanism.
L'invention concerne le domaine des mécanismes d'affichage d'horlogerie, notamment pour montres, et plus particulièrement les mécanismes d'affichage de calendrier.The invention relates to the field of timepiece display mechanisms, in particular for watches, and more particularly to calendar display mechanisms.
La lisibilité des affichages est une préoccupation majeur en horlogerie, surtout pour les affichages de type calendrier, qui sont difficiles à réaliser dans des formats facilement visibles et déchiffrables par l'utilisateur.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.
Les affichages horlogers sont rarement réalisés par rouleaux car les indications sous cette forme sont gourmandes en épaisseur, en raison du diamètre du rouleau, comportant par exemple jusqu'à 31 indications pour les jours du mois, ou 52 indications pour les semaines de l'année, et incompatibles avec la géométrie particulière d'une montre.Watchmaking displays are rarely produced 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.
Et l'emploi éventuel de caractères de très petite taille nécessite l'emploi de loupes dans l'épaisseur de la glace de montre, qui nuisent fortement à l'esthétique de la montre, tout en restant difficiles à lire.And the possible use of very small characters necessitates the use of magnifying glasses in the thickness of the watch crystal, which are highly detrimental to the aesthetics of the watch, while remaining difficult to read.
Les affichages à volet ou à palettes, de type statique, pour pendulettes et autres horloges, sont peu transposables à des montres, car faisant généralement appel à la gravité. Ils sont de plus fragiles et ne peuvent supporter les chocs.Shuttered or paddle displays, of the static type, for clocks and other clocks, are not easily transposable to watches, since they generally use gravity. They are more fragile and cannot withstand shocks.
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L'invention se propose de développer un affichage à rouleau, avec des indications horlogères lisibles malgré le diamètre limité des rouleaux.The invention proposes to develop a roller display, with readable horological indications despite the limited diameter of the rollers.
A cet effet, l'invention concerne un mécanisme d'affichage d'horlogerie comportant au moins un rouleau pivotant autour d'un axe de rouleau, ledit rouleau comportant au moins un volet pivotant autour d'un axe de volet parallèle audit axe de rouleau et distinct dudit axe de rouleau, ledit au moins un volet comportant au moins une première face et au moins une deuxième face, ledit mécanisme d'affichage comportant des premiers moyens d'entraînement pour faire pivoter ledit rouleau autour dudit axe de rouleau, où ledit mécanisme d'affichage comporte des deuxièmes moyens d'entraînement distincts desdits premiers moyens d'entraînement pour faire pivoter au moins un dit volet autour de son dit axe de volet, dans au moins une position déterminée dudit axe de volet par rapport audit axe de rouleau, caractérisé en ce que au moins un dit rouleau comporte au moins une position fixe d'affichage et au moins une position mobile d'affichage par un dit volet comportant une pluralité de dites faces.To this end, the invention relates to a timepiece 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 about said roller axis, wherein said display mechanism comprises second drive means separate from said first drive means for pivoting at least one said shutter about its said axis of shutter, in at least one determined position of said shutter axis with respect to said roller axis, characterized in that at least one said roller comprises at least one fixed display position and at least one mobile display position by a said shutter comprising a plurality of said faces.
L'invention concerne encore une montre comportant au moins un tel mécanisme d'affichage.The invention also relates to a watch comprising at least one such display mechanism.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :
- la
figure 1 représente, de façon schématisée, et en vue de face, une montre comportant un mécanisme d'affichage à rouleaux selon l'invention, de type calendrier ; - la
figure 2 représente, de façon similaire à lafigure 1 , un affichage de quantième sur un rouleau des dizaines et un rouleau des unités à volets selon l'invention ; - la
figure 3 représente, de façon similaire à lafigure 1 , le rouage d'entraînement du rouleau des dizaines de lafigure 2 ; - la
figure 4 représente, de façon similaire à lafigure 1 , le rouage d'entraînement du rouleau des unités de lafigure 2 ; - la
figure 5 représente, de façon schématisée, et en vue de bout dans un plan perpendiculaire à l'axe de rotation du rouleau, le rouleau des unités de lafigure 2 , avec en trait interrompu la cinématique de pivotement d'un des volets de ce rouleau; - la
figure 6 représente, de façon similaire à lafigure 1 , un détail du rouleau des unités de lafigure 5 ; - la
figure 7 représente, de façon similaire à lafigure 5 , une variante du rouleau des unités de lafigure 2 , montrant les moyens d'entraînement et de maintien des volets, avec en trait interrompu la cinématique de pivotement d'un des volets de ce rouleau ; - la
figure 8 représente, de façon similaire à lafigure 1 , un détail du rouleau des unités de lafigure 7 ; - la
figure 9 représente, de façon schématisée, et en perspective, le rouleau des unités de lafigure 7 ; - les
figures 10 et 11 représentent, de façon schématisée, respectivement en coupe et en vue de bout, dans un plan perpendiculaire à l'axe de rotation du rouleau, le rouleau des unités de lafigure 7 , dans une position intermédiaire, avec, également visible sur lafigure 9 , la représentation d'un ressort agencé pour exercer un effort sur des sautoirs disposé à proximité de cames de volet pour l'indexage en position de ces cames et des volets correspondants; - les
figures 12 à 14 représentent, de façon similaire auxfigures 9 à 11 , un rouleau des mois selon l'invention ; - la
figure 15 représente, de façon similaire auxfigures 3 et 4 , la rotation d'un rouleau des unités à cinq volets ; - la
figure 16 représente, de façon similaire à lafigure 15 , la commande de rotation d'un rouleau particulier à sept indications, correspondant aux jours de la semaine ; - la
figure 17 représente, de façon similaire à lafigure 7 , une autre variante du rouleau des unités de lafigure 2 , montrant les moyens d'entraînement et de maintien magnétique des volets, avec en trait interrompu la cinématique de pivotement d'un des volets de ce rouleau ; - la
figure 18 représente, de façon similaire à lafigure 8 , un détail du rouleau des unités de lafigure 17 ; - les
figures 19 et 20 illustrent une autre variante, qui comporte, en lieu et place des systèmes à croix de Malte décrits ci-dessus, des dentures partielles ; - la
figure 21 représente, de façon similaire à lafigure 5 , une variante avec laquelle l'indexage en position des cames de volet est effectué par un unique ressort faisant aussi fonction de sautoir ; - les
figures 22 à 26 représentent, de façon schématisée, une variante pour l'affichage des années bissextiles : - la
figure 22 en perspective montant une triple aiguille à 120°, dans le prolongement de l'axe du rouleau des mois ; - la
figure 23 , en coupe perpendiculaire à cet axe, montre une étoile, maintenue par un sautoir, qui entraîne cette aiguille triple ; - les
figures 24 et 25 montrent, de façon similaire à lafigure 23 , mais sans représentation du sautoir, la coopération de l'étoile, pour son entraînement, par un levier excentré solidaire d'un volet ; - la
figure 26 est une vue de bout, du côté de l'aiguille triple ; - la
figure 27 représente, de façon similaire à lafigure 7 , une autre variante de maintien des volets sans sautoir, et avec entraînement par une denture partielle, avec un guidage par une circonférence extérieure en contact avec le volet lui-même.
- the
figure 1 represents, schematically, and in front view, a watch comprising a roller display mechanism according to the invention, of the calendar type; - the
figure 2 represents, similarly to thefigure 1 , a date display on a tens roller and a shutter unit roller according to the invention; - the
picture 3figure 1 , the tens roller drive cog of thepicture 2 - the
figure 4 represents, similarly to thefigure 1 , the roller drive cog of the units of thepicture 2 - the
figure 5 represents, schematically, and in end view in a plane perpendicular to the axis of rotation of the roller, the roller of the units of thefigure 2 , with a broken line showing the pivoting kinematics of one of the flaps of this roller; - the
figure 6 represents, similarly to thefigure 1 , a detail of the scroll of the units of thefigure 5 ; - the
figure 7 represents, similarly to thefigure 5 , a variant of the roll of the units of thefigure 2 , showing the means of driving and holding the flaps, with a broken line showing the pivoting kinematics of one of the flaps of this roller; - the
figure 8 represents, similarly to thefigure 1 , a detail of the scroll of the units of thefigure 7 ; - the
figure 9 represents, in a schematic way, and in perspective, the roll of the units of thefigure 7 ; - the
figures 10 and 11 schematically represent, respectively in section and in end view, in a plane perpendicular to the axis of rotation of the roller, the roller of the units of thefigure 7 , in an intermediate position, with, also visible on thefigure 9 , the representation of a spring arranged to exert a force on jumpers arranged close to flap cams for indexing the position of these cams and the corresponding flaps; - the
figures 12 to 14 represent, similarly tofigures 9 to 11 , a month roll according to the invention; - the
figure 15 represents, similarly tofigures 3 and 4 , the rotation of a roller of the five-pronged units; - the
figure 16 represents, similarly to thefigure 15 , the rotation control of a particular roller with seven indications, corresponding to the days of the week; - the
figure 17 represents, similarly to thefigure 7 , another variant of the roll of the units of thefigure 2 , showing the means for driving and holding the flaps magnetically, with a broken line showing the pivoting kinematics of one of the flaps of this roller; - the
figure 18 represents, similarly to thefigure 8 , a detail of the scroll of the units of thefigure 17 ; - the
figures 19 and 20 illustrate another variant, which comprises, instead of the Maltese cross systems described above, partial teeth; - the
figure 21 represents, similarly to thefigure 5 , a variant with which the indexing in position of the shutter cams is carried out by a single spring also acting as a jumper; - the
figures 22 to 26 schematically represent a variant for displaying leap years: - the
figure 22 in perspective mounting a triple hand at 120°, in line with the axis of the month roller; - the
figure 23 , in section perpendicular to this axis, shows a star, held by a jumper, which drives this triple needle; - the
figures 24 and 25 show, similar to thefigure 23 , but without representation of the jumper, the cooperation of the star, for its drive, by an eccentric lever integral with a flap; - the
figure 26 is an end view, from the triple needle side; - the
figure 27 represents, similarly to thefigure 7 , another variant for holding flaps without jumper, and with drive by partial toothing, with guidance by an outer circumference in contact with the flap itself.
L'invention est illustrée sur les figures, de façon non limitative, avec des rouleaux des jours de la semaine, du quantième (un rouleau des dizaines et un rouleau des unités), et des mois.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.
La
Ainsi, l'invention concerne un mécanisme d'affichage 100 d'horlogerie comportant au moins un rouleau 10, prenant sur les figures des références différenciées : 11, 12, 13, 14, pivotant autour d'un axe de rouleau D10. Ce rouleau 10, 11, 12, 13, 14 comporte au moins un volet 20, qui est monté pivotant autour d'un axe de volet D20 parallèle à l'axe de rouleau D10 et distinct de l'axe de rouleau D10. Cet au moins un volet 20 comporte au moins une première face 201 et au moins une deuxième face 202, agencées de façon à ce que l'utilisateur puisse visualiser une seule de ces faces à un instant donné.Thus, the invention relates to a
Le mécanisme d'affichage 100 comporte des premiers moyens d'entraînement 31 pour faire pivoter le rouleau 10, 11, 12, 13, 14, autour de l'axe de rouleau D10.The
Ce mécanisme d'affichage 100 comporte des deuxièmes moyens d'entraînement 32, distincts des premiers moyens d'entraînement 31, pour faire pivoter au moins un tel volet 20 autour de son axe de volet D20, dans au moins une position déterminée de l'axe de volet D20 par rapport à l'axe de rouleau D10.This
Dans un autre mécanisme voisin de ce mécanisme d'affichage 100, une rotation constante des volets 20 en fonction des rouleaux 10, 11, 12, 13, 14, est calculée pour que, à la position d'affichage visible par l'utilisateur, l'indication du volet 20 soit tournée de 180° par tour de rouleau 10, 11, 12, 13, 14.In another mechanism close to this
Plus particulièrement, les deuxièmes moyens d'entraînement 32 sont agencés pour faire pivoter un seul volet 20 à la fois, indépendamment des autres volets 20 que comporte un rouleau 10, 11, 12, 13, 14.More particularly, the second drive means 32 are arranged to cause a
Dans une autre variante, les deuxièmes moyens d'entraînement 32 sont agencés pour faire pivoter de façon synchrone chaque volet 20 que comporte un rouleau 10, 11, 12, 13, 14. Ceci permet d'économiser l'énergie nécessaire au mécanisme d'affichage.In another variant, the second drive means 32 are arranged to rotate synchronously each
Dans la variante préférée, car moins consommatrice d'espace, où les deuxièmes moyens d'entraînement 32 sont agencés pour faire pivoter un seul volet 20 à la fois, plus particulièrement, les deuxièmes moyens d'entraînement 32 sont agencés pour faire pivoter le seul volet 20 en une unique position déterminée de l'axe de volet D20 par rapport à l'axe de rouleau D10.In the preferred variant, because it consumes less space, where the second drive means 32 are arranged to pivot a
Plus particulièrement, les deuxièmes moyens d'entraînement 32 comportent, au niveau de chaque volet 20, au moins un pignon d'entraînement de volet 35 axé sur l'axe de volet D20. Ce pignon d'entraînement de volet 35 est plus particulièrement agencé pour coopérer avec un moyen de commande, que comporte le mécanisme d'affichage 100, pour modifier en séquence ou en continu la position des volets 20 successifs d'un même rouleau 10, 11, 12, 13, 14, ou pour modifier à la demande la position d'un volet 20 déterminé. Il est ainsi possible de modifier à la demande la position d'un volet déterminé.More particularly, the second drive means 32 comprise, at each
Tout particulièrement, une motorisation des deuxièmes moyens d'entraînement 32, ou une commande par une tige de montre, ou un poussoir, une targette, ou similaire, facilite la mise à jour d'un calendrier après un arrêt prolongé d'une montre.In particular, 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.
Plus particulièrement, chaque volet 20 comporte, pour son maintien en position d'orientation, une came de volet 25, notamment une came-cœur, comportant autant de points bas 26 que le volet 20 comporte de faces 201, 202. Et le rouleau 10, 11, 12, 13, 14, comporte de préférence au moins un ressort 15 qui est agencé pour exercer un effort sur un sautoir 17 disposé à proximité de chaque came de volet pour l'indexage en position de cette came de volet 25, tel que visible sur les
Dans une variante particulière, tel que visible sur la
Dans une variante de fonctionnalité similaire, plus particulièrement, chaque volet 20 comporte, pour son maintien en position d'orientation, une came de volet 25 ou une came-cœur comportant autant de points bas 26 que le volet 20 comporte de faces 201, 202, et le rouleau 10, 11, 12, 13, 14 comporte, pour chaque came de volet 25 ou came-cœur, au moins un aimant 70 agencé pour exercer un effort sur la came de volet 25 ou came-cœur en matériau magnétique pour l'indexage en position de la came de volet 25 ou came-cœur, tel que visible sur la
Plus particulièrement, les premiers moyens d'entraînement 31 comportent, tel que visible sur les
Plus particulièrement, selon l'invention, au moins un rouleau 10, 11, 12, 13, 14, comporte au moins une position fixe d'affichage et au moins une position mobile d'affichage par un volet 20 comportant une pluralité de faces 201, 202, tel que visible sur la
Plus particulièrement, les premiers moyens d'entraînement 31 comportent un rouage d'entrée 61 qui entraîne une roue principale 60 dont une révolution correspond à la période temporelle d'affichage du rouleau 10, 11, 12, 13, 14, et qui porte une came principale 50 porteuse de secteurs périphériques 51 séparés par des évidements 52, les secteurs périphériques 51 étant d'amplitude inégale, les plus courts correspondant aux positions fixes d'affichage, et les plus longs correspondant aux positions mobiles d'affichage. La came principale 50 coopère avec une came secondaire 40 en croix de Malte excentrée et agencée pour pivoter lors du passage d'un évidement 52. La came secondaire 40 porte une roue secondaire 42 engrenant avec une roue d'entraînement de rouleau 62. La roue principale 60 porte encore une roue principale d'entraînement de volet 63, laquelle engrène elle-même avec un pignon de volet 64 qui est agencé pour commander un pignon d'entraînement de volet 35 axé sur l'axe de volet D20 ou constituant lui-même un tel pignon d'entraînement de volet 35.More particularly, the first drive means 31 comprise an
L'invention concerne encore une montre 1000 comportant au moins un tel mécanisme d'affichage 100.The invention also relates to a
Les figures illustrent des modes de réalisation particuliers de l'invention.The figures illustrate particular embodiments of the invention.
La
L'entraînement des deux rouleaux se fait par deux roues de commande 3120 et 3130, de 31 dents chacune, où des dents sont supprimées, en correspondance des jours où aucune rotation du rouleau respectif n'est nécessaire.The drive of the two rollers is done by two
La
La
Ces principes d'entraînement sont semblables à ceux, bien connus, des affichages de quantième à grand guichets.These drive principles are similar to those, well known, of date displays with large apertures.
Les
Les
Les volets 20 peuvent être entraînés en rotation continue relativement à la rotation du rouleau 10, avec un rapport de un demi. Cette solution est simple mais demande de la place sur toute la circonférence du rouleau 10, ce qui n'est pas toujours possible.The
Pour limiter l'encombrement du système, il est avantageux d'utiliser la solution décrite ci-après, qui gère une rotation d'un volet 20 en un seul point de la circonférence du rouleau 10. Chaque volet 20 est alors maintenu en position par un sautoir 17, qui collabore avec une came de volet 25, notamment de type came-cœur, à deux positions, montée sur l'axe du volet concerné, dont le point bas 26 coopère avec un saillant du sautoir 17. Un ressort 15, notamment comme sur la
Ce pignon 35 peut être entraîné par un rouage que comportent les deuxièmes moyens d'entraînement 32, non illustré sur les figures. Dans la variante particulière de la
Les
La
- 3130
de 31 dents : 1 tour par mois - 3132
de 10 dents : 1tour par 10 jours - 3133
de 20 dents : 1tour par 10 jours - 313
de 10 dents : 1 tour par 5 jours
- 3130 with 31 teeth: 1 revolution per month
- 3132 of 10 teeth: 1 turn per 10 days
- 3133 of 20 teeth: 1 revolution per 10 days
- 313 of 10 teeth: 1 turn per 5 days
Dans un mode de réalisation particulier à croix de Malte, les premiers moyens d'entraînement 31 comportent un rouage d'entrée 61 qui entraîne une roue principale 60 dont une révolution correspond à la période temporelle d'affichage du rouleau 10, 11, 12, 13, 14, et qui porte une came principale 50 porteuse de secteurs périphériques de géométrie inégale, des secteurs concentriques 51 correspondant aux positions fixes d'affichage, et des secteurs avec évidements 52 et munis de goupilles d'entraînement 5X correspondant aux positions mobiles du rouleau d'affichage10, 11, 12, 13, 14. Cette came principale 50 coopère avec une came secondaire 40 en croix de Malte excentrée, pivotant autour d'un point fixe, et agencée pour pivoter lors du passage d'un évidement 52 et d'une goupille 5X. Cette came secondaire 40 porte une roue secondaire 42 engrenant avec une roue d'entraînement de rouleau 62, et la roue principale 60 porte encore une roue principale d'entraînement de volet 63, laquelle engrène elle-même avec un pignon de volet 64 agencé pour commander un pignon d'entraînement de volet 35 axé sur l'axe de volet D20 ou constituant lui-même un pignon d'entraînement de volet 35.In a particular embodiment with a Maltese cross, the first drive means 31 comprise an
Plus particulièrement, la
- rouleau avec six positions fixes et un volet à deux faces ;
- rouleau avec cinq positions fixes et deux volets à deux faces ;
- rouleau avec quatre positions fixes et trois volets à deux faces ;
- rouleau avec une position fixe et deux volets à trois faces ;
- roller with six fixed positions and a two-sided flap;
- roller with five fixed positions and two double-sided flaps;
- roller with four fixed positions and three two-sided flaps;
- roller with a fixed position and two three-sided flaps;
La
Plus généralement, pour un affichage de N périodes, la roue principale 60 est entraînée de 1/N de tour par jour.More generally, for a display of N periods, the
La roue principale 60 porte une came principale 50, qui est séparée en N secteurs périphériques différents. Ces secteurs périphériques sont de géométrie inégale : des secteurs concentriques 51 correspondent aux positions fixes d'affichage, et des secteurs avec évidements 52 et munis de goupilles d'entraînement 5X correspondent aux positions mobiles du rouleau d'affichage. De plus, l'amplitude angulaire des secteurs concentriques 51 peut être variable, comme on le verra plus loin.The
Cette came principale 50 coopère avec une came secondaire 40 en croix de Malte, par les goupilles et les encoches mentionnées ci-dessus. Cette came secondaire 40 est excentrée, pivote autour d'un point fixe, et est agencée pour pivoter lors du passage d'un évidement 52 et d'une goupille 5X.This
Cette came secondaire 40 porte une roue secondaire 42 qui engrène avec une roue d'entraînement de rouleau 62, elle-même solidaire du rouleau d'affichage 10 concerné.This
La came secondaire 40 en croix de Malte entraîne ainsi, six jours sur sept, cette roue d'entraînement de rouleau 62 de 1/6 de tour, ce qui correspond aux six positions fixes du rouleau.The secondary
Le septième jour, la portée 41 de la came secondaire 40 en croix de Malte reste en appui sur le plus long 510 des secteurs concentriques 51, et la came secondaire 40 en croix de Malte ne peut donc pas pivoter. La roue d'entraînement de rouleau 62 n'est pas entraînée, et le rouleau reste alors immobile.On the seventh day, the
La roue principale 60 porte encore une roue principale d'entraînement de volet 63, laquelle engrène elle-même avec un pignon de volet 64 agencé pour commander un pignon d'entraînement de volet 35 axé sur l'axe de volet D20, ou bien constituant lui-même un pignon d'entraînement de volet 35.The
Cette roue principale d'entraînement de volet 63 effectue, comme la roue principale 60, 1/7 de tour par jour.This main
Le pignon de volet 64 porte le volet 20 à deux faces, et engrène avec un rapport de 3.5 avec la roue principale d'entraînement de volet 63.The
Donc, lorsque la roue d'entraînement de rouleau 62 est immobile, et que la roue principale 60 fait 1/7 de tour, le pignon de volet 64 fait 1/2 tour, avec changement de côté du volet 20.So, when the
Lorsque la roue d'entraînement de rouleau 62 est libérée et fait 1/6 de tour et que la roue principale 60 fait 1/7 de tour, le pignon de volet 64 fait 1/12 de tour, donc en six jours reprendra sa place de départ.When the
Les
Dans un autre mode de réalisation particulier à dentures partielles, en lieu et place des systèmes à croix de Malte décrits ci-dessus, les premiers moyens d'entraînement 31 comportent un rouage d'entrée 61 qui entraîne une roue principale 60 dont une révolution correspond à la période temporelle d'affichage du rouleau 10, 11, 12, 13, 14, et qui porte une came principale 50 porteuse de secteurs périphériques de géométrie inégale: des secteurs concentriques 51 correspondant aux positions fixes d'affichage, et des secteurs comportant des moyens d'entraînement 53 voisins d'évidements 52. La came principale 50 coopère avec une étoile 71 excentrée, pivotant autour d'un point fixe, et agencée pour pivoter lors du passage d'un tel moyen d'entraînement 53, et pour rester dans sa position angulaire quand deux dents 72 qu'elle comporte sont en appui sur un secteur concentrique 51. Cette étoile 71 porte une roue secondaire 70, qui engrène avec une roue d'entraînement de rouleau 62 elle-même solidaire du rouleau 10, 11, 12, 13, 14. La roue principale 60 porte, comme précédemment, une roue principale d'entraînement de volet 63, laquelle engrène elle-même avec un pignon de volet agencé pour commander un pignon d'entraînement de volet 35 axé sur l'axe de volet D20 ou constituant lui-même un pignon d'entraînement de volet 35.In another particular embodiment with partial teeth, instead of the Maltese cross systems described above, the first drive means 31 comprise an
Plus particulièrement, les
Un pignon entraîneur du rouage d'entrée 61 non représenté effectue 1 tour par jour, et entraîne une roue principale 60, qui fait 1/N, soit ici 1/7 tour par jour.A drive pinion of the
La roue principale 60 porte une came principale 50, qui est séparée en sept secteurs périphériques différents, les secteurs périphériques comportant ou non des moyens d'entraînement (ici constitués par des dents 53), les secteurs concentriques 51 correspondant aux positions fixes d'affichage du rouleau 20, et les secteurs avec moyens d'entraînement 53 correspondant aux positions mobiles du rouleau d'affichage.The
Cette came principale 50 coopère avec une étoile 71 de 4 dents, maintenue par un sautoir non représenté. Cette étoile de quatre 71 est excentrée, pivote autour d'un point fixe, elle est agencée pour pivoter lors du passage d'un moyen d'entraînement, notamment d'une dent dans la réalisation illustrée, non limitative.This
Les moyens d'entraînement 53 comportant ici des dents, et de préférence combinés à des évidements 52, sont agencés pour engrener avec des dents 72 de l'étoile de quatre 71. Par contre, quand deux dents 72 successives de l'étoile de quatre 71 sont simultanément en appui sur un secteur concentrique 51, l'étoile de quatre 71 ne peut pas tourner.The drive means 53 here comprising teeth, and preferably combined with
L'étoile de quatre 71, pivotée sur la platine, est ainsi agencée pour effectuer 1/4 de tour par jour, sauf deux jours par semaine. Dans l'exemple illustré, quand cette étoile 71 a pivoté du lundi au mardi, elle reste dans sa position le mardi et le mercredi, avant de changer de position entre le mercredi et le jeudi. De la même façon, quand l'étoile 71 a pivoté du vendredi au samedi, elle reste dans sa position le samedi et le dimanche, avant de changer de position entre le dimanche et le lundi. Le volet 20B affichera une première position le mardi, pivotera de 180° du mardi au mercredi, pour afficher une deuxième position le mercredi. De la même façon, le volet 20E affichera une première position le samedi, pivotera de 180° du samedi au dimanche, pour afficher une deuxième position le dimanche. Les autres jours, l'utilisateur verra des affichages fixes en périphérie du rouleau 20 : 20A le lundi, 20C le jeudi, 20D le vendredi.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. In the example illustrated, when this
Cette étoile de quatre 71 porte une roue secondaire 70, qui engrène avec une roue d'entraînement de rouleau 62, elle-même solidaire du rouleau d'affichage 10.This star of four 71 carries a
L'étoile de quatre dents 71 entraîne de fait, cinq jours sur sept, cette roue d'entraînement de rouleau 62 de 1/5 de tour, ce qui correspond aux cinq positions fixes du rouleau.The star of four
Les deux jours supplémentaires, l'étoile de quatre 71 reste en appui sur les secteurs concentriques 51, et ne peut donc pas pivoter. La roue d'entraînement de rouleau 62 n'est pas entraînée, et le rouleau 10 reste alors immobile.The two additional days, the star of four 71 remains supported on the
La roue principale 60 porte encore une roue principale d'entraînement de volet 63, laquelle engrène elle-même avec un pignon de volet agencé pour commander un pignon d'entraînement de volet axé sur l'axe de volet D20, ou bien constituant lui-même un pignon d'entraînement de volet 35.The
Cette roue principale d'entraînement de volet 63 effectue, comme la roue principale, 1/7 de tour par jour.This main
Les pignons de volets portent les volets 20B et 20E à deux faces, et engrènent avec un rapport de 3.5 avec la roue principale d'entraînement de volet 63.The flap sprockets carry the two-
Donc, lorsque la roue d'entraînement de rouleau 62 est immobile, et que la roue principale 60 fait 1/7 de tour, le pignon de volet fait 1/2 tour, avec changement de côté du volet 20 concerné.Therefore, when the
Lorsque la roue d'entraînement de rouleau 62 est libérée et fait 1/5 de tour et que la roue principale 60 fait 1/7 de tour, le pignon de volet fait 1/10 de tour, donc en 5 jours reprendra sa place de départ.When the
Les
La
De la même manière, dans une variante de volet sans sautoir, le volet peut être guidé directement par une circonférence extérieure en contact avec le volet lui-même. De cette façon, la circonférence de guidage est interrompue pour laisser passer le volet. Le pignon d'entraînement peut alors se retrouver dans la configuration de la variante des
Les différentes variantes de l'invention permettent de réaliser des affichages à rouleaux de toutes sortes d'indications dans le volume réduit d'une montre de dimension normale, avec notamment une épaisseur totale de l'ordre de 10 mm à l'extérieur des glaces, ou de la glace et du fond. Les volets ne sont en contact avec aucune partie de la montre, et ne sont soumis à aucun choc ou frottement dans le cadre de leur fonctionnement normal.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.
Claims (11)
- Timepiece display mechanism (100) comprising at least one roller (10, 11, 12, 13, 14) pivoting about a roller axis (D10), said roller (10, 11, 12, 13, 14) comprising at least one flap (20) pivoting about a flap axis (D20) parallel to said roller axis (D10) and distinct from said roller axis (D10), said at least one flap (20) comprising at least one first face (201) and at least one second face (202), said display mechanism (100) comprising first drive means (31) for pivoting said roller (10, 11, 12, 13, 14) about said roller axis (D10), wherein said display mechanism (100) includes second drive means (32) distinct from said first drive means (31) for pivoting at least one said flap (20) about its said flap axis (D20), in at least one determined position of said flap axis (D20) relative to said roller axis (D10), characterised in that at least one said roller (10, 11, 12, 13, 14) has at least one fixed display position and at least one mobile display position via a said flap (20) comprising a plurality of said faces (201, 202).
- Display mechanism (100) according to claim 1, characterised in that said second drive means (32) are arranged to pivot only one said flap (20) at a time, independently of the other said flaps (20) comprised in a said roller (10, 11, 12, 13, 14).
- Display mechanism (100) according to claim 1, characterised in that said second drive means (32) are arranged to pivot synchronously each said flap (20) comprised in a said roller (10, 11, 12, 13, 14).
- Display mechanism (100) according to claim 3, characterised in that said second drive means (32) are arranged to pivot said single flap (20) in a single said specific position of said flap axis (D20) relative to said roller axis (D10).
- Display mechanism (100) according to one of claims 1 to 4, characterised in that said second drive means (32) comprise, at each said flap (20), at least one flap drive pinion (35) centred on said flap axis (D20) and arranged to cooperate with a control means, comprised in said display mechanism (100), to modify, in sequence or continuously, the position of said successive flaps (20) of the same said roller (10, 11, 12, 13, 14), or to modify, on demand, the position of a said specific flap (20).
- Display mechanism (100) according to one of claims 1 to 5, characterised in that to hold each said flap (20) in its orientation position, each comprises a flap cam (25) or a heart-piece comprising as many low points (26) as said flap (20) has faces (201, 202), and in that said roller (10, 11, 12, 13, 14) includes, at least one spring (15), arranged either to exert a force on a jumper (17) disposed in proximity to each said flap cam (25) or heart-piece to index the position of said flap cam (25) or heart-piece, or forming said jumpers (17).
- Display mechanism (100) according to one of claims 1 to 5, characterised in that to hold each said flap (20) in an orientation position, each comprises a flap cam (25) or a heart-piece comprising as many low points (26) as said flap (20) has faces (201, 202), and in that said roller (10, 11, 12, 13, 14) includes, for each said flap cam (25) or heart-piece, at least one magnet (70) arranged to exert a force on said flap cam (25) or heart-piece made of magnetic material to index the position of said flap cam (25) or heart-piece.
- Display mechanism (100) according to one of claims 1 to 7, characterised in that first drive means (31) include a control wheel (3120, 3130) some of whose teeth have been removed, and which meshes with a roller drive pinion (312, 313), either directly, or via a pair of reduction gears (3131), to obtain the desired reduction.
- Display mechanism (100) according to one of claims 1 to 8, characterised in that said first drive means (31) include an input train (61) which drives a main wheel (60), one revolution of which corresponds to the display time period of said 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 recessed sectors (52) provided with drive pins (5X) corresponding to the mobile positions of said display roller (10, 11, 12, 13, 14), said main cam (50) cooperating with a secondary, off-centre, Maltese cross cam (40), pivoting about a fixed point, and arranged to pivot upon passage of a said recess (52) and of a said pin (5X), said secondary cam (40) carrying a secondary wheel (42) meshing with a roller drive wheel (62), and said main wheel (60) also carrying a main flap drive wheel (63), which in turn meshes with a flap pinion (64), arranged to control a flap drive pinion (35) centred on said flap axis (D20) or actually forming a said flap drive pinion (35).
- Display mechanism (100) according to one of claims 1 to 8, characterised in that said first drive means (31) include an input train (61) which drives a main wheel (60), one revolution of which corresponds to the display time period of said 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 including drive means (53) close to recesses (52), said main cam (50) cooperating with an off-centre star (71), pivoting about a fixed point, and arranged to pivot upon passage of a said drive means (53), and to remain in the angular position thereof when two teeth (72) comprised therein are resting on a said concentric sector (51), said star (71) carrying a secondary wheel (70), which meshes with a roller drive wheel (62), which is in turn integral with said roller (10, 11, 12, 13, 14), and said main wheel (60) also carrying a main flap drive wheel (63), which in turn meshes with a flap pinion arranged to control a flap drive pinion (35) centred on said flap axis (D20) or actually forming a said flap drive pinion (35).
- Watch (1000) including at least one display mechanism (100) according to one of claims 1 to 10.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16177872 | 2016-07-05 | ||
EP17175547.3A EP3267266B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17175547.3A Division EP3267266B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
EP17175547.3A Division-Into EP3267266B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3627241A1 EP3627241A1 (en) | 2020-03-25 |
EP3627241B1 true EP3627241B1 (en) | 2022-02-16 |
Family
ID=56360235
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19201623.6A Active EP3627239B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
EP19201627.7A Active EP3627241B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
EP17175547.3A Active EP3267266B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
EP19201625.1A Active EP3627240B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19201623.6A Active EP3627239B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17175547.3A Active EP3267266B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
EP19201625.1A Active EP3627240B1 (en) | 2016-07-05 | 2017-06-12 | Roller display mechanism for a watch |
Country Status (6)
Country | Link |
---|---|
US (1) | US10365610B2 (en) |
EP (4) | EP3627239B1 (en) |
JP (1) | JP6405418B2 (en) |
CN (4) | CN110579955B (en) |
CH (1) | CH713873B1 (en) |
HK (1) | HK1248835A1 (en) |
Families Citing this family (8)
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EP3584642B1 (en) * | 2018-06-18 | 2021-01-13 | Montres Breguet S.A. | Setting mechanism for watch display mechanism comprising a rotating drum. |
USD920812S1 (en) * | 2018-08-31 | 2021-06-01 | Richemont International Sa | Watch |
USD957269S1 (en) * | 2020-01-09 | 2022-07-12 | Montres Breguet Sa (Montres Breguet Ag) Montres Breguet Ltd) | Watch case |
EP3889692A1 (en) * | 2020-04-03 | 2021-10-06 | Harry Winston SA | Timepiece display mechanism with separate displays |
EP4220308A3 (en) * | 2020-11-27 | 2023-08-09 | Omega SA | Jumping timepiece display mechanism with rollers |
US11598836B2 (en) | 2020-11-30 | 2023-03-07 | Motional Ad Llc | Localization of vehicles using beacons |
CN118103779A (en) * | 2021-10-21 | 2024-05-28 | 蒙特雷布勒盖股份有限公司 | Timepiece display mechanism |
EP4369112A1 (en) | 2022-11-09 | 2024-05-15 | Montres Breguet S.A. | Mechanism for displaying the next years of a clock movement with perpetual date display |
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- 2017-06-12 EP EP17175547.3A patent/EP3267266B1/en active Active
- 2017-06-12 EP EP19201625.1A patent/EP3627240B1/en active Active
- 2017-06-27 JP JP2017124851A patent/JP6405418B2/en active Active
- 2017-06-28 US US15/636,031 patent/US10365610B2/en active Active
- 2017-07-05 CN CN201910949415.6A patent/CN110579955B/en active Active
- 2017-07-05 CN CN201910953097.0A patent/CN110579956B/en active Active
- 2017-07-05 CN CN201710541476.XA patent/CN107577134B/en active Active
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Also Published As
Publication number | Publication date |
---|---|
CN107577134B (en) | 2019-11-01 |
CN110579955A (en) | 2019-12-17 |
EP3627241A1 (en) | 2020-03-25 |
CN110647025B (en) | 2021-07-23 |
EP3627239B1 (en) | 2024-04-17 |
EP3627240A1 (en) | 2020-03-25 |
EP3267266A1 (en) | 2018-01-10 |
JP2018004634A (en) | 2018-01-11 |
JP6405418B2 (en) | 2018-10-17 |
CN110579956A (en) | 2019-12-17 |
HK1248835A1 (en) | 2018-10-19 |
EP3627239A1 (en) | 2020-03-25 |
CH713873A2 (en) | 2018-12-14 |
US10365610B2 (en) | 2019-07-30 |
CH713873B1 (en) | 2021-12-30 |
CN110579955B (en) | 2021-08-27 |
US20180011444A1 (en) | 2018-01-11 |
CN110647025A (en) | 2020-01-03 |
CN107577134A (en) | 2018-01-12 |
EP3627240B1 (en) | 2022-06-01 |
CN110579956B (en) | 2021-04-02 |
EP3267266B1 (en) | 2020-04-08 |
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