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
  • G04B19/02—Back-gearing arrangements between gear train and hands
• • 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
  • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
  • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon
• • 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
  • G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
• • 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
  • G04B29/00—Frameworks
  • G04B29/04—Connecting or supporting parts
• • 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

Definitions

• the present invention relates to a support for display mechanism of a jumping type information for a watch movement and comprising a display mobile intended to be rotated by means of a drive star. , the support being intended to be positioned between the display member and a frame member of the watch movement.
• the present invention also relates to a display mechanism comprising such a support and a watch movement and a timepiece including such a watch movement.
• these display mechanisms are arranged on the plate of the corresponding watch movement and comprise a display mobile, a drive star and a jumper, to define stable positions of the drive star, all these elements being carried directly by the plate.
• a main object of the present invention is to overcome the disadvantages of jumping type display mechanisms known from the prior art, by providing such a display mechanism whose assembly is simplified.
• the present invention relates more particularly to a display mechanism support of the type described above, characterized in that it comprises a base, having at least a first hole for receiving a rotating shaft. of the display organ and, from which extend
• a first arm arranged so as to be able to perform the function of a jumper for the training star
• a second arm arranged to be able to act on the drive star to be rotated for the purpose of correcting the information to be displayed in response to a predefined action of a user to deform the second arm.
• a display mechanism incorporating such a support has a simplified assembly with reference to the display mechanisms of the prior art. Indeed, the relative positions of the mobile display, jumper and a correction member are defined directly by a single body, namely the support. It is then sufficient to ensure the correct relative positioning between the drive star and the support to ensure proper operation of the display mechanism according to the present invention.
• the second arm comprises, from the base and towards its free end ended in actuating finger, a first portion of reduced transverse dimensions followed by a second portion of transverse dimensions greater than those of the first portion.
• a corrector receiving surface is preferably provided on the second portion, optionally in its region closest to the first portion.
• the first portion of the second arm is deformed more easily than the second portion. Therefore, when pressure is exerted on the receiving surface, as a consequence of the action of the user, the first portion of the second arm is deformed to allow its free end to come into contact with the star. training and exerting pressure on it to rotate it in order to correct the value of the information displayed.
• An additional object of the present invention is to provide a flexible display mechanism.
• the support comprises at least a second hole capable of receiving the rotation shaft of the display member.
• the corresponding watch movement comprises a display mechanism arranged in such a way that the first and second holes are substantially aligned with the center of the watch movement, the first and second holes being substantially equidistant from the point of intersection between
• the display can be arranged to rotate in one or the other holes, at the choice of the manufacturer, without the rest of the mechanism has to undergo any additional changes.
• the distance between the display mobile and the drive star is the same regardless of the hole used to accommodate the display mobile shaft.
• Such a property provides great flexibility in the construction of a timepiece, especially if several complications are provided, as well as in the design of the dial. Indeed, the display mobile can be moved along the radius passing through the first and second holes without particular modification of the mechanism.
• the corresponding watch movement may comprise a display mobile carrying the information display member and pivotally mounted in a bearing secured to the support by means of one of the first and second holes, the display mobile further comprising a first toothed wheel, integral in rotation with the information display member and arranged in engagement with a second wheel, integral in rotation with the star of training.
• the first wheel is preferably driven on a cylindrical surface of the display member.
• the display member can be modified without impacting on its drive mechanism.
• the support is arranged on a frame member of the watch movement so that the receiving surface of its second arm is accessible from the side of the watch movement in a radial direction, particularly for allow it to be actuated by a corrector.
• the mechanism according to the present invention is particularly suitable, but not limited to the display of the phases of the Moon.
• FIG. 1 shows a simplified perspective view of a display mechanism according to a preferred embodiment of the present invention
• FIG. 2 represents a simplified front view of the display mechanism of FIG. 1, in first and second configurations, and
• FIG. 3 represents a simplified cross-sectional view of the display mechanism of FIG. 2 along the section line III-III of FIG. 2.
• FIG. 1 represents a simplified perspective view of a display mechanism according to a preferred embodiment of the present invention, more specifically of a mechanism for displaying the phases of the Moon, in a nonlimiting illustrative manner. .
• the display mechanism is intended to be driven from a mobile watch movement, here a wheel hours 1.
• the mechanism comprises a first mobile 2 arranged in engagement with the hour wheel 1 by its wheel and with an intermediate wheel 3 by its pinion (not visible).
• the intermediate wheel 3 is driven on a barrel 4 to be integral in rotation.
• An actuating spring 6 is mounted on the barrel 4 by its base 8. More specifically, the barrel 4 has a flat on its periphery, the base 8 of the spring having a central opening of complementary shape to make the spring d actuation 6 secured to the barrel in rotation.
• An arm 10 elastically deformable, extends from the base 8 substantially having the shape of a ring.
• the arm 10 carries an actuating finger 12, near its free end, having a substantially radial flank and an inclined flank, the latter facilitating the retraction of the actuating finger during the correction operations.
• the gear train comprising the mobile 2 and the intermediate wheel 3 is numbered such that the actuating spring 6 performs a complete turn on itself in twenty four hours.
• a 14-toothed drive star 14 is arranged within reach of the actuating finger 12 to be rotated one step every twenty-four hours.
• a support 20, or support plate, is arranged near the drive star 14.
• the support 20 comprises a base 22 intended here to be secured to a frame member of the watch movement by means of three screws 24.
• the base 22 has first and second holes 26, 28 whose function will be exposed more
• a tube 29 defining a bearing is housed in the hole 26.
• a first arm 30 extends from the base 22 and towards the drive star 14, to define a jumper spring.
• the free end 31 of the first arm has two inclined planes arranged to cooperate with the toothing of the drive star and define stable angular positions thereof.
• a second arm 32 extends from the base 22, also towards the drive star 14.
• the second arm 32 has a first portion 34, reduced transverse dimensions and followed by a second portion 36 of larger transverse dimensions.
• a receiving surface 38 for corrector is formed in the region of the second portion 36 closest to the first portion 34.
• the free end 40 of the second arm 32 is located near the toothing of the star d training 14.
• the second arm 32 is deformed in response to a pressure exerted by a user on the corrector.
• the free end 40 of the second arm 32 comes into contact with the toothing of the drive star and exerts on it a force tending to rotate it in the direction of counterclockwise rotation, causing a correction of the value displayed by the mobile display.
• the assembly of the display mechanism according to the invention is clearly simplified with reference to the known mechanisms of the prior art.
• the jumper and the correction member are made in one piece with the support ensuring the positioning of the display mobile, thus facilitating the relative positioning required between these parts.
• Such a correction mechanism may for example comprise a rocker 42 rotatably mounted on the frame of the watch movement and comprising an additional correction finger 44 arranged to be able to rotate the drive star 14 in response to a pressure exerted on an additional receiving surface 46.
• the rocker can advantageously have a return spring 48 formed integrally with it, in a known manner.
• FIG. 2 represents a simplified front view of the display mechanism of FIG. 1. More precisely, a display mobile is illustrated in addition to the elements already described, this being illustrated in first and second positions. , identified differently by numerals 50 and 51.
• first and second holes 26 and 28 of the support 20 are formed in specific locations of the support. More particularly, the holes 26, 28 are here aligned with the axis of rotation of the hour wheel, that is, they are located on the same radius R of the watch movement. In addition, the first and second holes are substantially equidistant from the point of intersection I between the line M perpendicular to the radius R and which intersects the axis of rotation of the drive star, and the radius R. In other words, the first and second holes 26, 28 define between them a segment forming the base of an isosceles triangle whose third vertex is situated on the axis of rotation of the driving star 14.
• the display mobile 50, 51 comprises a wheel of one hundred thirty five teeth arranged in engagement with the drive wheel 16.
• first and second holes 26, 28 allow the mounting of the mobile display in one or the other hole, without distinction, while ensuring the meshing between its wheel and the drive wheel 16.
• the display mobile can be mounted on the frame of the watch movement next first and second positions 50, 51 respectively closer and farther from the center of the watch movement.
• FIG. 3 represents a simplified cross-sectional view of the display mechanism of FIG. 2 along the section line III-III of FIG. 2.
• the mobile display is visible in its position referenced 51 in Figure 3, while it is rotated in the second hole 28.
• FIG. 1 A preferred construction of the mobile display is illustrated in FIG. 1
• the mobile display comprises a display member 54, here phases of the Moon, the latter having generally the shape of a disk.
• a bearing surface 56 is provided on its lower face on which is engaged by force the toothed wheel 58 meshing with the drive wheel 16.
• the mobile display is rotatably mounted on the frame of the watch movement by means of a screw 60 engaged in a foot-screw 62.
• the display member 54 is integral with a ring 64 guaranteeing its good rotation on the screw-foot 62.
• the method of fixing the display member is not limiting and may be made differently, such as for example by arranging the assembly on a ball bearing or on a post.
• the invention is not limited to the display of the phases of the Moon. It is possible to display any other suitable information without departing from the scope of the invention.

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

Applications Claiming Priority (2)

Publications (2)

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ID=45954625

Family Applications (1)

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Families Citing this family (2)

Family Cites Families (7)

• 2011
  • 2011-03-23 FR FR1152405A patent/FR2973125B1/fr active Active
• 2012
  • 2012-03-23 WO PCT/EP2012/055270 patent/WO2012127056A1/fr active Application Filing
  • 2012-03-23 EP EP12714258.6A patent/EP2689299B1/de active Active
• 2013
  • 2013-09-23 US US14/034,467 patent/US8867316B2/en not_active Expired - Fee Related

Non-Patent Citations (1)

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