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
  • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
  • G04B19/25—Devices for setting the date indicators manually
• • 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
  • G04B13/00—Gearwork
• • 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
  • G04B15/00—Escapements
  • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
• • 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
  • G04B18/00—Mechanisms for setting frequency
  • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
• • G—PHYSICS
  • G04—HOROLOGY
  • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
  • G04B19/00—Indicating the time by visual means
  • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
  • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
  • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
  • G04B19/253—Driving or releasing mechanisms
  • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
  • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
  • G04B19/2538—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement automatically corrected at the end of months having less than 31 days
• • 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
  • G04B27/00—Mechanical devices for setting the time indicating means
• • 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
  • G04B27/00—Mechanical devices for setting the time indicating means
  • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
  • G04B27/06—Mechanical devices for setting the time indicating means by making use of the winding means with rocking bar
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C11/00—Synchronisation of independently-driven clocks
  • G04C11/06—Synchronisation of independently-driven clocks with direct mechanical action on the time-indicating means

Definitions

• the invention relates to a display mechanism for a timepiece, comprising a mechanism for rapidly correcting the position of a display mobile.
• the invention also relates to a watch movement comprising at least one such display mechanism.
• the invention also relates to a timepiece or watch comprising at least one such movement and / or at least one such display mechanism.
• the invention relates to the field of clock display mechanisms, and more particularly including fast correction mechanisms. Background of the invention
• This invention relates to watches which require a fast correction mechanism (day, month, or other) of certain functions, in particular display functions such as a calendar (annual, perpetual, day / date, or other), or moon phase, tide, AM / PM, or other indicators.
• a fast correction mechanism day, month, or other
• display functions such as a calendar (annual, perpetual, day / date, or other), or moon phase, tide, AM / PM, or other indicators.
• the correction mechanisms often include flip-flops, which are essential components in clockwork mechanisms, making it possible to switch a mechanism between several different modes, generally between two distinct positions.
• a clock rocker is often accompanied by a return spring to ensure a proper movement transmission, or a support maintained, as appropriate.
• a quick correction of the display of the month it may happen that the system becomes out of sync. The user then has no way to verify that the system is synchronized, which can cause malfunctions.
• the invention proposes to prevent such a desynchronization of a date mechanism, and allows the date mechanism to synchronize itself.
• the present invention proposes to solve the aforementioned drawbacks of the prior art, and aims to prevent any desynchronization of the mechanism.
• the invention relates to a clock display mechanism according to claim 1.
• the invention also relates to a watch movement comprising at least one such mechanism. display.
• the invention also relates to a timepiece or watch comprising at least one such movement and / or at least one such display mechanism.
• FIG. 1 shows schematically, partially and in perspective, a watch comprising a display mechanism according to the invention, in the particular application to an annual calendar mechanism;
• FIG. 2 represents a detail of FIG. 1, with rapid date correction means illustrated in two different positions;
• FIG. 3 shows schematically and in plan view, a watch movement comprising a date mechanism with an automatic fast correction mechanism, according to Figure 1;
• FIG. 4 shows, schematically, a set of cuts through the pivot axes of the main mobile;
• FIG. 4A shows the cooperation between a return mobile with a particular date ring, which this date mechanism comprises;
• FIG. 4B shows the cooperation of a safety latch peculiar to the invention with this ring and with this reference, in a position where the return is correctly synchronized;
• FIG. 4C shows the cooperation of a fast correction mechanism with the date ring and with the reference;
• Figure 5 shows schematically and in perspective, a detail similar to Figure 1, in a cooperative position of a security latch specific to the invention with a date ring;
• Figure 6 shows, schematically and in perspective, similar to Figure 1, the same mechanism in a current drive position of a date ring;
• FIGS. 8 to 11 show schematically, partially and in plan, the annual calendar mechanism of the preceding figures, equipped with a month disk carried by a month star, and a date indicator ring carried by the date ring, in four successive positions of passage on July 29, July 30, July 31, and August 1;
• FIG. 12 is a block diagram showing a watch having a movement cooperating with a display mechanism according to the invention. Detailed Description of the Preferred Embodiments
• the invention relates to the field of watch mechanisms, and more particularly mechanisms for controlling and transmitting motion. It finds a preferential application for the correction and updating of display mechanisms, and more particularly for display mechanisms 500 comprising a user-controlled rapid correction mechanism 200, via control means. 17 such as a rod or the like.
• Such a display mechanism 500 is conventionally driven by an automatic drive mechanism controlled by a movement 1000 that includes the timepiece 2000, in particular a watch, in which this display mechanism is integrated 500.
• the kinematic chain of the In normal operation, the display mechanism ensures, by a drive means 1, the periodic drive of at least one display mobile 3.
• this periodic drive is carried out directly by a mobile 1C downstream of 'a gear driven by the movement 1000, preferably arranged to make a turn in twenty-four hours.
• the clock display mechanisms generally comprise at least one mounted mobile idler, which is held in position by friction, or by elastic return means, such as a jumper or the like.
• a rapid correction mechanism 200 generally comprises means arranged to disengage the automatic drive mechanism, and to replace, at least one mobile of the drive train of this automatic drive mechanism, at least one other mobile arranged to drive directly or indirectly at least one display mobile 3, and thus perform a modification of its position.
• the invention proposes to improve such a mechanism to make it impossible to desynchronize the assembly.
• the fast correction mechanism 200 comprises, in the immediate vicinity of the display unit 3, at least one deflection wheel 6, which pivots in normal operation in a single direction S.
• the diverting wheel 6 can fill, on different parallel floors, different functions.
• the return mobile ensures, on a first stage 61, the synchronization with the display mechanism 500: the angular orientation of the deflection wheel 6 relative to the automatic drive mechanism of the display mechanism is then correct .
• the display mechanism 500 comprises, interposed between the mobile 6 and the display mobile 3, a security latch 400 also called synchronization flip-flop.
• This security latch 400 is arranged to be driven by the display mobile 3 during the periodic drive of this display mobile 3, along a determined path and with an interfering travel with the volume of the mobile foot 6
• the relative arrangement of the security rocker 400 and the deflection wheel 6, which are pivotally mounted about parallel axes and distinct, being such that:
• the trajectory of the security latch 400 does not interfere with a first deflection wheel situated at a first stage 61 of the deflection wheel 6, and the security latch 400 is arranged to pass at a distance from any other surface of the deflection wheel 6, without interfering with this diverting wheel 6;
• the trajectory of the security latch 400 interferes with the first mobile to return to the first stage 61 of the deflection wheel 6, and the security latch 400 is arranged to drive the mobile device 6 in the opposite direction R of the normal direction S of its normal operation, to resynchronize the return mobile 6.
• the diverting wheel 6 is arranged to ensure:
• the trajectory of the security latch 400 does not interfere with the first mobile to return to the first stage 61 of the deflection wheel 6, and the security latch 400 is arranged to pass through. above and away from a second deflecting wheel located at the second stage 62 of the deflection wheel 6, without interfering with it;
• the trajectory of the security latch 400 interferes with the first mobile to return to the first stage 61 of the deflection wheel 6, and the security latch 400 is arranged to drive the mobile device 6 in the opposite direction R of the normal direction S of its normal operation, to resynchronize the return mobile 6.
• the first mobile unit for the first stage 61 and the second mobile unit for the second stage 62 are integral in rotation.
• the diverting wheel 6 is in one piece.
• the security latch 400 is advantageously equipped with elastic return means 403, which tend to recall it permanently in a rest position, which is the position of the beginning of cooperation, to the following period, with the display mobile 3.
• the deflection wheel 6 comprises a first return wheel to the first stage 61, and a second return wheel to the second stage 62.
• the first deflection wheel has teeth that are alternated with other teeth that includes the second deflection wheel.
• the teeth of the first deflection wheel and those of the second deflection wheel have the same profile, and some of them are aligned.
• the first deflection wheel comprises half less teeth than the second return wheel, identical and aligned at one of two.
• the common teeth extend on a double thickness at the first stage 61 and at the second stage 62, while the teeth of the second deflection wheel which have no corresponding at the level of the first idler wheel do not extend only on the second stage 62.
• the second deflection wheel comprises ten teeth
• the first deflection wheel comprises five.
• the security latch 400 has a blade portion 404, which extends only to the first stage.
• This blade 404 comprises an abutment surface 402 arranged to push the teeth of the first deflection mobile to the first stage 61 in case of desynchronization.
• flip-flop 400 On the opposite side with respect to a pivot axis B, flip-flop 400 preferably has a spout 401 arranged to cooperate with display unit 3, for driving safety latch 400 by the latter.
• the deflection wheel 6 further comprises, on a third stage which does not interfere with the safety latch 400, a third gear 63.
• This third gear 63 is then arranged to mesh, directly or indirectly. , with another mobile display.
• the display mechanism 500 is a date mechanism 300, comprising a date driving mobile 1 arranged to be controlled by a wheel of a movement. timepiece 1000 and arranged to control an annual wheel 4.
• At least one said mobile display 3 is a date ring, and this date mechanism 300 comprises control means arranged to drive directly or indirectly this at least A calendar ring 3.
• the date mechanism 300 further comprises such a date rapid correction mechanism 200, which is arranged to directly or indirectly control the pivoting of this date ring 3.
• FIG. 7 illustrates a particular variant of a date ring 3 which comprises three functional teeth 33, 34, 35, arranged at different superimposed levels, here in parallel planes.
• the fast correction mechanism 200 thus comprises such a return wheel 6 comprising, integral and arranged on parallel levels:
• a first return wheel 61 arranged to cooperate, or with the security latch 400 which is still arranged to cooperate, at the same level, with fingers 33 that includes the date ring 3, or with a star of the months 5 pivotally mounted in free rotation on the annual wheel 4;
• the date ring 3 is arranged to be driven by the date driving mobile 1; a third return wheel 63, integral and coaxial with the first deflection wheel at the first stage 61 and with the second deflection wheel at the second stage 62, is arranged to cooperate with the annual wheel 4, and a corrector 12 which comprises the rapid date correction mechanism 200 is arranged to cooperate with the second return wheel to the second stage 62 for correction of the month.
• this date mechanism 300 further comprises, at a fourth level below the third lower level 32, a correction finger 14, which comprises the rapid date correction mechanism 200, and which is arranged to cooperate with the teeth 34 located at lower level 32 of the date ring 3, for the correction of the date.
• the date ring 3 can be indifferently made in a single piece or with elements juxtaposed and indexed between them.
• a particular application of the invention relates to an annual calendar mechanism 300 as described by EP1666991 B1 of the same applicant.
• the mobile display 3 is described here, without limitation, under the form of a date ring, arranged to carry at least one date indicator ring, not shown in the figures.
• This date ring can be, in known manner, maintained by a jumper so as to achieve a semi-instantaneous passage.
• This annual calendar mechanism 300 which can be realized in the form of a module attached to an existing movement mechanism, is arranged to be driven by a wheel 1C, for example a wheel of hours, of a movement 1000, not shown in detail in the figures, and which may be a mechanical movement as well as an electronic movement.
• This annual calendar mechanism 300 thus comprises a date indicator driving wheel, which is equipped with two fingers:
• a first daily finger 1 A arranged to drive once a day, especially at midnight, a toothing with thirty-one teeth 34 inside, at a lower level 32 of a date ring 3;
• a second monthly finger 1 B arranged to drive, at the end of the months of less than thirty-one days, a cam 2 disposed coaxially at an annual wheel 4
• This cam 2 has, radially projecting, five secondary pins 2E which correspond to months of less than thirty-one days: February, April, June, September, November, and which are angularly distributed according to the time interval between these respective months: 60 °, 60 °, 90 °, 60 °, 90 °.
• the cam 2 is disengaged between these secondary pins 2E, so that the second monthly finger 12 drives the cam 2 only during the last days of these particular months, the month of February requiring manual additional correction, depending on the year In progress.
• the cam 2 is integral with an annual wheel 4.
• this annual wheel 4 comprises twenty-four teeth. It may be is intended to carry, in certain embodiments, a disc or a month indicator ring, not shown in the figures.
• the annual wheel 4 can support a star of the month 5, which pivots in free rotation.
• This star of the months 5 may be is intended to carry, in certain variants execution, a disk or a month indicator ring, not shown in the figures.
• the return wheel 6 is arranged to connect, at the end of each month, the annual wheel 4 with a main pin 35 located at a second intermediate level 31 of the date ring 3.
• the return wheel 6 comprises a second return wheel 62. At the end of each month, whatever its duration, this second return wheel 62 drives the main pin 35.
• the return wheel 6 cooperates, by a third gear wheel 63 to a third lower level 32, with the annual wheel 4.
• the deflection wheel 6 comprises, in the alignment of the first upper level 30, a first return wheel to the first stage 61, integral with the second return wheel of the second stage 62.
• the first deflection wheel of the first stage 61 cooperates with the star of the months 5 mounted crazy and maintained friction.
• the first idler gear 61 and the third gear 63 each have ten equidistant teeth.
• the second monthly finger 1 B of the indicator wheel drive indicator 1 drives the cam 2, and the annual wheel 4 therefore causes, on the one hand the mobile 6 and the date ring 1 by its main pin 35, and on the other hand the star of the months 5.
• the date ring 3 has a particular arrangement, since it comprises twenty-nine fingers 33, situated at an upper level 30 parallel to the lower level 32, where the thirty-one teeth 34 are arranged. These fingers 33 are arranged to cooperate with each other. with an external spout 401 of the security latch 400, opposite the bearing face 402 that includes this latch 400 to push the toothing of the first return wheel 61 in case of desynchronization.
• the single main pin of the date ring 3 extends at least over the height of the second return wheel of the second stage 62.
• the system can not desynchronize because the main pin 35 is still in engagement with the diverting wheel 6.
• one of the twenty-nine fingers 33 drives the security latch 400, to ensure, if necessary, the synchronization of the system as explained above. .
• Figure 7 shows the relative arrangement of the levels of the date ring.
• the toothing of twenty-nine fingers 33, at the upper level 30, corresponds to a set of thirty-one equidistant teeth from which two consecutive teeth would have been removed.
• the main pin 35 is, here, positioned between the second and third fingers 33 which follow the toothless space located at the upper level 30.
• the toothing located at the first upper level 30 is therefore only used to activate the synchronization, its teeth are active and drive the latch 400. While the usual drive of the date ring 3 is made by the toothing 4 with the teeth. 3, at the bottom third level 32.
• the date mechanism 300 comprises at least one fast correction mechanism 200, which comprises one or more correcting fingers 12 or 14, arranged to modify the angular position of a return wheel 6, and / or to act directly on the position of a display such as a disk or a ring carrying a date ring, month, day, year, leap year, or other.
• a fast correction mechanism 200 which comprises one or more correcting fingers 12 or 14, arranged to modify the angular position of a return wheel 6, and / or to act directly on the position of a display such as a disk or a ring carrying a date ring, month, day, year, leap year, or other.
• the fast correction mechanism 200 comprises a flip-flop 100, pivoting about a first fixed axis D1, and which bears on a second axis D2 which is parallel to the first axis D1 an output mobile which comprises at least two stages and carries at least, on two different planes, a corrector finger 14 and a corrector 12, which are arranged to modify the position of a date mobile or a date correction mobile, and a month viewer or a mobile display month display. More particularly, the correction finger 14 cooperates with the date ring 3 for the correction of the date, and the corrector 12 cooperates with the second return wheel of the second stage 62 for correction of the month.
• the invention also relates to a watch movement 1000 comprising an hour wheel driving at least one such calendar mechanism 300.
• the invention also relates to a timepiece 2000, in particular a watch, comprising at least one such movement 1000 and / or at least one such display mechanism and / or such a date mechanism 300.
• the invention provides a new security in the use of a display mechanism having a fast correction function. Indeed, the user does not have the means to check if the system is synchronized or not.
• the invention enables the display mechanism, particularly a date mechanism, to synchronize itself.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electromechanical Clocks (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=66629845

Family Applications (1)

Country Status (6)

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Family Cites Families (8)

• 2015
  • 2015-04-09 CN CN201580013900.2A patent/CN106104394B/zh active Active
  • 2015-04-09 JP JP2016555714A patent/JP6182679B2/ja active Active
  • 2015-04-09 US US15/125,231 patent/US9841734B2/en active Active
  • 2015-04-09 WO PCT/EP2015/057673 patent/WO2015172943A2/fr not_active Ceased
  • 2015-04-09 EP EP15714517.8A patent/EP3143463B1/de active Active
  • 2015-04-09 CH CH00492/15A patent/CH709632B1/fr unknown

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