EP2993533B1 - Uhr - Google Patents

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Publication number
EP2993533B1
EP2993533B1 EP15177593.9A EP15177593A EP2993533B1 EP 2993533 B1 EP2993533 B1 EP 2993533B1 EP 15177593 A EP15177593 A EP 15177593A EP 2993533 B1 EP2993533 B1 EP 2993533B1
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EP
European Patent Office
Prior art keywords
display
timepiece
organ
mobile
movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15177593.9A
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English (en)
French (fr)
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EP2993533A1 (de
Inventor
Nicolas Stalder
Christophe ABBURRA
Mathieu MARANGE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Van Cleef and Arpels SA
Original Assignee
Van Cleef and Arpels SA
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Publication date
Application filed by Van Cleef and Arpels SA filed Critical Van Cleef and Arpels SA
Publication of EP2993533A1 publication Critical patent/EP2993533A1/de
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Publication of EP2993533B1 publication Critical patent/EP2993533B1/de
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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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038—Figures or parts thereof moved by the clockwork

Definitions

  • the present invention relates to watches or timepieces comprising one or more displays. More particularly, but not exclusively, the present invention relates to timepieces in which at least one display is complex.
  • CH270584 discloses a timepiece comprising a box housing a movement comprising a motor member, a work train, an escapement, a regulating member and a display comprising at least one movable member, wherein the movable member can be driven by hand for demonstrations.
  • the object of the present invention is to provide a timepiece comprising a display of a mechanism for operating on demand said display in demonstration mode for which a complete display cycle is performed in a reduced time without as much affecting the accuracy or disordering said display once the movement of the movable member at this higher demonstration speed ends.
  • the present invention relates to a timepiece comprising a movement driving the movable member or members of at least one display which is distinguished by the characteristics listed in claim 1.
  • the present invention relates to a timepiece of mechanical preference such as a wristwatch having a box containing a movement comprising a motor member, for example a cylinder, a work train, an exhaust, a regulating member and at least one a display, this movement causing at least one mobile display member such as a time display, a calendar, the day of the week, a moon phase or other astronomical complication for example.
  • the drive of the movable member of the display is effected from a power take-off of the movement which may be the roadway or any other motive of the movement kinematically connected to this movable member of the display.
  • the timepiece comprises a demonstration mechanism for operating on demand the display in demonstration mode for which a complete display cycle is performed in a reduced time without affecting the accuracy or disordering said display once the displacement of the movable display member at this demonstration speed has ended.
  • the kinematic link connecting the power takeoff of the movement to the movable member of the display comprises a differential gear which makes it possible to add the displacement imposed on the mobile display member by the mechanism. demonstration at displacement of the movable display member caused by the power take-off.
  • the power take-off is connected to a first sun gear of the differential gear while the movable member of the display is connected to a second sun gear of said differential gear.
  • a satellite gate of the differential gear is pivoted concentrically to the two gears of the differential gear.
  • a satellite axis is pivoted on the satellite carrier and is secured to a first satellite engaged with the first sun gear of the differential gear and a second satellite engaged with the second sun gear of the differential gear.
  • the satellite gate has an external toothing meshing with an animation feedback of a demonstration mechanism.
  • This demonstration mechanism comprises a source of motive power kinematically connected by a control gear on the one hand to the return animation and on the other hand to a speed controller.
  • this demonstration mechanism comprises a control member arming and releasing the source of motive power so that it causes the animation of the satellite gear of the differential gear to be driven by the angular value corresponding to a cycle of rotation. complete display of the movable display member before this source of motive power is again blocked at a standstill.
  • the demonstration mechanism In normal operation of the timepiece, the demonstration mechanism is at rest, its source of motive power being blocked, the animation return is blocked at a standstill and the power take-off of the movement causes, by the intermediate of the differential gear, the mobile display member at the speed corresponding to the value to be displayed, minutes, hours, date, day of the week or other.
  • the control member When the user wishes to see or check the operation of the display of the timepiece, it presses on the control member, which then arms releases the source of motive power causing the drive animation referral and therefore the satellite gate of the differential gear of a predetermined value by said source of motive power corresponding to a display cycle of the movable display member. With the control member released, the source of motive energy is locked in its end position of the demonstration cycle.
  • the movable member of the display to be driven in a demonstration mode during a complete display cycle at a demonstration speed greater than its normal operating speed.
  • the user can therefore view a display cycle and verify that the display works to satisfaction.
  • the accuracy of the display is not influenced by its displacement in demonstration mode once this demonstration mode has ended since the movement imposed on the mobile display member by the animation pinion s adds to the displacement of the movable display member caused by the power take-off.
  • This timepiece comprises a box 1, a dial 2, a winding crown 3 and a control member formed by a pusher 4 accessible from outside the box 1.
  • This timepiece comprises a watch movement comprising a drive member, a work train, an escapement, a regulating member and at least one display whose movable member is driven by a power take-off.
  • This timepiece also comprises a retrograde hours display disposed at 6H having a scale of hours 5 affixed to the dial 2 cooperating with a petal 6 of a rotating flower activated by the movement of the timepiece.
  • the display of minutes is complex and comprises on the dial a first graduation minute 7, from 0 to 30, cooperating with a first movable display member 8 in the form of a butterfly carried by a first disc 9 rotating minutes.
  • This minute display further comprises a second graduation minutes 10, 30 to 45 minutes, cooperating with a second mobile display member carried by a second disk 11 rotating minutes.
  • this minute display further comprises a third graduation minute 12, 45 to 60 minutes, cooperating with a third mobile display member carried by a third disc 13 minutes.
  • the movement of this timepiece comprises, in a conventional manner, a motor member, for example a barrel, a work train connecting this barrel to an escapement and a regulating member.
  • the finishing gear comprises a minute wheel whose axis 14 constitutes the power take-off of the movement for displaying the minutes of the timepiece.
  • This shaft 14 carries the center pinion meshing with the barrel and is secured to the first sun gear 15 of a differential gear.
  • This differential gear further comprises a second sun gear 16 and a satellite gate 17, located between the two sun wheels 15, 16, both of which are concentrically pivoted to the axis 14 constituting the PTO of the minute display.
  • a first satellite 18 is integral and concentric with a second satellite 19 pivoted on the satellite door 17.
  • the satellite door has an external toothing 17.1 engaged with an animation pinion 20 of the demonstration mechanism.
  • the first satellite 18 meshes with an external toothing 15.1 of the first sun gear 15 while the second satellite 19 meshes with a first toothing 16.1 of the second sun gear 16.
  • the second sun gear 16 is elliptical and constitutes the control wheel of the three disks of the minutes 9, 11 and 13.
  • the second sun gear 16 comprises a second external toothing 16.2 meshing with a first elliptical 21 driving a first minute display wheel 22 carrying the first rotating disk of minutes 9.
  • This external toothing 16.2 of the second sun gear 16 of the differential gear meshes still with a second elliptical 23 the second minute display wheel 24 and a third minute display wheel 25.
  • the second minute display wheel 24 carries the second minute 11 rotary disc while the third minute display wheel 25 carries the third disc rotating minutes 13.
  • the gear ratio between the second external toothing of the second sun gear 16.2 and the first display wheels 22, the second display 24 and the third display 25 minutes is such that when the second sun gear 16 makes a half turn, or 180 °, a complete display cycle of the minutes from 0 to 60 is performed.
  • the presence of a differential gearing between the power takeoff of the movement 14, here the roadway, and the control wheel of the minutes display, here the second sun gear 16 of the differential gearing makes it possible to on the one hand to modify, by means of the differential gearing, the number of revolutions of the power take-off 14 per time unit relative to the number of revolutions per unit time of the second sun gear 16 of the differential gearing according to the particular characteristics of the ordered display.
  • this allows, as will be seen later, to have a second input through the satellite gate of the differential gear to change the travel speed of a display cycle including to demonstrate and verify the operation of the display, which is an important advantage for complex displays like the one described above.
  • the timepiece illustrated with Figures 1 to 10 still includes a demonstration mechanism illustrated in more detail in figures 9 and 10 .
  • This demonstration mechanism comprises a power source constituted, in the illustrated embodiment, by a gear wheel 30 pivoted on a fixed part of the movement.
  • This toothed wheel 30 comprises a rim 31 provided with external locking notches 32 and as many internal notches 33. These notches 32 and these notches 33 are equal in number and uniformly distributed over the circumference of said rim 31, in the case illustrated they are five in number each separated by 72 °.
  • This energy source further comprises a driver 34 pivoted coaxially with the toothed wheel 30 comprising a pin 35 and a spring blade 29 ending in a pushing member 29.1 cooperating with the internal notches 33.
  • the energy source further comprises an actuating spring 36 whose end rests on the pin 35 tending to rotate the driver 34 in the counterclockwise direction.
  • the demonstration mechanism further comprises a rocker 37 pivoted by one end on a fixed part of the movement and whose free end comprises a slot 38 in which is engaged a finger 39 integral with the coach 34.
  • This rocker 37 is subject to the action of a return spring 40 tending to move it clockwise to its rest position illustrated in FIG. figure 9 .
  • This flip-flop 37 is controlled by the control member 4 of the timepiece.
  • a latching pawl 41 is pivoted on the free end of the latch 37 and is subjected to the action of a pawl spring 44 tending to move it towards the gear wheel 30.
  • This locking pawl 41 is shaped so as to cooperate with the locking notches 32 of the toothed wheel 30 to lock it in the rest position ( figure 9 ).
  • This locking pawl 41 further includes a pawl pin 42 cooperating, as will be seen later, with a 43 which includes the end of the latch 37.
  • the locking pawl 41 is held in abutment against the periphery of the rim 31 of the toothed wheel by a pawl spring 44.
  • the external toothing of the gearwheel 30 of the power source is engaged with the pinion of a drive wheel 45 whose wheel meshes with the animation gear 20 which is engaged with the external toothing 17.1 of the door satellite 17 of the differential gear.
  • the wheel of the driving wheel 45 is also engaged with the gear of the first reduction wheel 46.1 of a reduction chain comprising three reduction mobiles 46.1, 46.2 and 46.3.
  • the pinion of the third reduction wheel 46.3 is engaged with a flywheel 47.
  • This demonstration mechanism and the differential gear are designed such that the gear ratio of the drive train connecting the gear wheel 30 of the energy source to the second sun gear 16 of the differential gear is such that a rotation of 72 ° of the toothed wheel 30, or from one of its stop positions to the next, causes displacement of the movable member (s) of the display equivalent to a complete display cycle, here from 0 to 60 minutes, but in a reduced time for example of the order of 5 to 60 seconds, preferably between 10 and 20 seconds.
  • the operation of the demonstration mechanism is as follows: from its rest position illustrated in figure 9 , the user pushes the control member 4 tilting the rocker 37 in the counterclockwise direction. The free end of this rocker drives the finger 39 and therefore the driver 34 against the action of the actuating spring 36 until the push member 29.1 of the blade spring 29 of the coach 34 comes s snap into a notch 33 of the toothed wheel 30. At this moment, the stinger 43 of the lever 37 pushes the pawl 41 against its pawl spring 44 and releases the locking notch 32 of the toothed wheel 30 in which it is engaged. The demonstration mechanism is then in the armed position illustrated in the figure 10 .
  • toothed wheel 30 When the user releases the control member 4, the toothed wheel 30 is released, the latch 37 returns to the rest position, the pawl 41 rests against the periphery of the rim 31 of the toothed wheel 30. toothed wheel 30 is driven in the counterclockwise direction by the push member 29.1 of the driver 34 subjected to the action of the actuating spring by its leaf spring 36 until the pawl 41 falls back into the next locking notch 32 of the gear wheel 30.
  • this display demonstration cycle is in addition to the normal displacement of the movable member (s) of the display controlled by the first sun gear of the differential gear, so that the display demonstration cycle does not disturb the indication delivered by the display outside the demonstration periods.
  • the movable member (s) of the display are driven by the addition of the movement due to the power take-off 14 and the movement due to the demonstration mechanism.
  • the speed of the demonstration movement of the display can be regulated not by a flywheel but by a centrifugal governor or any other regulator.
  • the energy source can be made differently by a barrel or other device provided that the gear wheel 30 is driven at each actuation of the control member 4 by an angular value which, taking into account the kinematic chain connecting it to the mobile display member, make travel to this mobile display member a complete display cycle.
  • the invention has been described in connection with a complex minute display of a timepiece.
  • any display, simple or complex, of a timepiece such as for example a time display, a date, a weekday, a moon phase, can be driven in a more demonstration mode fast and piecemeal over a complete cycle of the envisaged display using the mechanism according to the invention.
  • This mechanism preferably comprises a differential gear, the first sun gear is kinematically connected to the power take-off of the movement and the second sun gear is kinematically connected to the movable member of the envisaged display.
  • This mechanism also comprises a demonstration mechanism capable of driving the satellite gate of the differential gear, for each actuation, by a value corresponding to a complete display cycle of the displayed value.
  • the figure 11 illustrates the object of the invention used to drive in demonstration mode a simple display.
  • the second sun gear 16 of the differential gear carries an axis 50 carrying a needle 52, a movable member of a display of the timepiece.
  • the differential gear is designed so that when the satellite gate 17 is blocked, the second sun gear 16 rotates at the same speed as the first sun gear 15 which is driven by the power take-off 14 of the movement. watchmaking.
  • the display hand 52 may be driven into a demonstration mode at a fast speed for a complete cycle by a demonstration mechanism causing the animation referral 20 which is engaged with the satellite gate 17 of the differential.
  • the needle 52 may be the minute hand of a time display.
  • the axis of this minute hand is driven by the second sun gear 16 of the differential gear and is connected by a conventional timer to an hour hand coordinated with the minute hand.
  • a full cycle of the time display lasts twelve or twenty-four hours at the display speed normal but each actuation of the control member this display cycle can be traveled in a few tens of seconds, the hour hand performing a complete turn while the minute hand performs twelve respectively twenty-four turns.
  • the movable member of this display may be a date crown.
  • the mobile organ of this display can be a disc of days, bearing the name of the days of the week.
  • the mobile display member is kinematically connected to the second sun gear 16 of the differential gear and the power take-off 14 corresponding to this display is kinematically connected to the first sun gear 15 of the differential gear.
  • the demonstration mechanism allows, for each actuation of a control member 4 accessible from outside the box 1 of the timepiece, to drive the satellite gate 17 of the differential gear in a angular displacement corresponding to a complete cycle of the mobile display member (s) at a speed greater than that of the normal operation of the display.
  • the duration of the complete display cycle in normal operation is sixty minutes and in demonstration mode from ten to thirty seconds, for example.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Electromechanical Clocks (AREA)

Claims (13)

  1. Uhr, die ein Gehäuse (1) umfasst, das ein Uhrwerk unterbringt, das ein Antriebsorgan, ein Finissage-Räderwerk, eine Hemmung, ein Regulierorgan und eine Anzeige umfasst, die mindestens ein bewegliches Organ (8; 52) umfasst, dadurch gekennzeichnet, dass sie einen Demonstrationsmechanismus umfasst, der bei jeder Betätigung eines Betätigungsorgans (4), das von der Außenseite des Gehäuses (1) zugänglich ist, das Antreiben des beweglichen Organs (8; 52) um einen Winkelwert, der einem vollständigen Zyklus dieses letzteren entspricht, bei einer Geschwindigkeit bewirkt, die höher ist als diejenige des normalen Betriebs der Anzeige, ohne dabei die Präzision der Anzeige, nachdem die Bewegung des beweglichen Organs mit dieser höheren Demonstrationsgeschwindigkeit geendet hat, zu beeinträchtigen.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass sie ein Differenzialgetriebe umfasst, das es ermöglicht, die dem beweglichen Anzeigeorgan durch den Demonstrationsmechanismus auferlegte Bewegung zu der Bewegung des beweglichen Anzeigeorgans hinzuzufügen, die durch eine Zapfwelle des Uhrwerks bewirkt wird.
  3. Uhr nach Anspruch 2, dadurch gekennzeichnet, dass das Differenzialgetriebe ein erstes Zentralrad (15), das kinematisch mit der Zapfwelle (14) des Uhrwerks verbunden ist; ein zweites Zentralrad (16), das kinematisch mit dem beweglichen Anzeigeorgan (8; 52) verbunden ist; und einen Planetenradträger (17) umfasst, der kinematisch mit dem Demonstrationsmechanismus verbunden ist.
  4. Uhr nach Anspruch 3, dadurch gekennzeichnet, dass die Anzeige eine Minutenanzeige ist, die ein bewegliches Anzeigeorgan (52) in der Form eines Zeigers umfasst, der durch eine Achse (50) getragen wird, die fest am zweiten Zentralrad (16) des Differenzialgetriebes befestigt ist; und dadurch, dass die Zapfwelle (14) des Uhrwerks, die fest mit dem ersten Zentralrad (15) des Differenzialgetriebes verbunden ist und koaxial dazu ist, das Minutenrohr des Uhrwerks oder die Achse des Minutenrads des Uhrwerks ist.
  5. Uhr nach Anspruch 3, dadurch gekennzeichnet, dass die Anzeige eine Minutenanzeige ist, die drei bewegliche Anzeigeorgane (9, 11, 13) in der Form von Scheiben umfasst, die kinematisch mit dem zweiten Zentralrad (16) des Differenzialgetriebes verbunden sind; und dadurch, dass die Zapfwelle (14) des Uhrwerks, die fest mit dem ersten Zentralrad des Differenzialgetriebes (15) verbunden ist und koaxial dazu ist, das Minutenrohr des Uhrwerks ist.
  6. Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die normale Dauer eines Anzeigezyklus sechzig Minuten beträgt und dass die Laufzeit des vollständigen Anzeigezyklus im Demonstrationsmodus zwischen 5 und 60 Sekunden, vorzugsweise zwischen 10 und 20 Sekunden, enthalten ist.
  7. Uhr nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Anzeige eine Datumsanzeige ist, deren bewegliches Anzeigeorgan eine Datumkrone ist.
  8. Uhr nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Anzeige eine Anzeige des Wochentages ist, deren bewegliches Organ eine Scheibe ist, die den Namen der Tage trägt.
  9. Uhr nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, dass der Demonstrationsmechanismus eine Energiequelle (30, 34, 36) umfasst, die gespannt ist und durch eine Wippe (37) freigegeben wird, die durch das Betätigungsorgan (4) betätigt wird; und dadurch, dass diese Energiequelle kinematisch durch ein Antriebsdrehteil (45) einerseits mit einem Animationstrieb (20), der mit einer Außenverzahnung (17.1) des Planetenradträgers (17) des Differenzialgetriebes in Eingriff ist, und andererseits mit einem Geschwindigkeitsregler (47) durch eine Untersetzungskette (46.1, 46.2, 46.3) verbunden ist.
  10. Uhr nach Anspruch 9, dadurch gekennzeichnet, dass die Energiequelle (30, 34, 36) des Demonstrationsmechanismus ein Zahnrad (30) umfasst, das Nuten (33) und Verriegelungskerben (32) umfasst, die gleichförmig entlang seiner Peripherie verteilt sind; dass die Anzahl der Nuten (33) gleich der Anzahl der Verriegelungskerben (32) ist; und dass diese Energiequelle noch einen Mitnehmer (34) umfasst, der konzentrisch an dem Zahnrad (30) drehbar gelagert ist und einen Sperrstift (35) aufweist, der der Wirkung einer Antriebsfeder (36) unterworfen ist; wobei dieser Mitnehmer (34) ein Federblatt (29) umfasst, das mit einem Druckorgan (29.1) endet, das mit den Nuten (33) des Zahnrads zusammenwirkt.
  11. Uhr nach Anspruch 10, dadurch gekennzeichnet, dass das Ende der Wippe (37) eine Spalte (38) umfasst, in der ein Finger (39) des Mitnehmers (34) in Eingriff ist; ein Sperrkegel (41), der am freien Ende der Wippe (37) drehbar gelagert ist und der Wirkung einer Sperrkegelfeder (44) unterworfen ist, dazu neigt, gegen die Peripherie einer Felge (31) des Zahnrads angelegt zu werden und mit den Verriegelungskerben (32) dieses Zahnrads (30) zusammenzuwirken.
  12. Uhr nach Anspruch 11, dadurch gekennzeichnet, dass, wenn das Betätigungsorgan (4) betätigt wird, die Spalte (38) der Wippe (37) den Finger (39) des Mitnehmers (34) drückt und diesen gegen die Betätigungsfeder (36) spannt und dann in der Endstellung der Wippe (37) ein Sicherheitsstift (43) davon den Sperrkegel (42) von der Verriegelungskerbe (32) löst, wodurch das Zahnrad (30) freigegeben wird.
  13. Uhr nach Anspruch 12, dadurch gekennzeichnet, dass die Teilung des Zahnrades zwischen zwei aufeinanderfolgenden Sperrpositionen durch den Sperrkegel (41) durch das Betätigungsdrehteil (45), das Animationszeigerstellrad (20) und das Differenzialgetriebe (15, 16, 18) die Verschiebung des oder der beweglichen Anzeigeorgane, die einem vollständigen Anzeigezyklus entspricht, bewirkt.
EP15177593.9A 2014-09-08 2015-07-21 Uhr Active EP2993533B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01351/14A CH710086A1 (fr) 2014-09-08 2014-09-08 Pièce d'horlogerie comportant un mécanisme de démonstration.

Publications (2)

Publication Number Publication Date
EP2993533A1 EP2993533A1 (de) 2016-03-09
EP2993533B1 true EP2993533B1 (de) 2017-03-08

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EP15177593.9A Active EP2993533B1 (de) 2014-09-08 2015-07-21 Uhr

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EP (1) EP2993533B1 (de)
CH (1) CH710086A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH711851B1 (fr) * 2015-12-02 2019-11-29 Sellita Watch Co S A Ressort d'entraînement bidirectionnel pour pièce d'horlogerie.
CH714682B1 (fr) * 2018-02-27 2022-09-30 Concepto Holding Sa Dispositif de contrôle de la mise en mouvement d'un mécanisme mobile notamment d'une figure mobile protubérante.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR766378A (fr) * 1932-12-13 1934-06-27 Globe comportant un hémisphère éclairé tournant automatiquement
CH270584A (fr) * 1948-01-12 1950-09-15 Blanc Huguenin Ali Cadran horaire géographique.
CH693155A5 (de) * 1998-11-04 2003-03-14 Andreas Strehler Anzeigemechanik einer Uhr.
CH706208B1 (fr) * 2012-03-07 2017-07-14 Louis Vuitton Malletier Sa Mécanisme pour mouvement de montre-bracelet comprenant une fonction auxiliaire.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
EP2993533A1 (de) 2016-03-09
CH710086A1 (fr) 2016-03-15

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