EP3913442B1 - Retrograder uhranzeigemechanismus, der mit einer sicherheitsvorrichtung ausgestattet ist - Google Patents

Retrograder uhranzeigemechanismus, der mit einer sicherheitsvorrichtung ausgestattet ist Download PDF

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Publication number
EP3913442B1
EP3913442B1 EP20175724.2A EP20175724A EP3913442B1 EP 3913442 B1 EP3913442 B1 EP 3913442B1 EP 20175724 A EP20175724 A EP 20175724A EP 3913442 B1 EP3913442 B1 EP 3913442B1
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EP
European Patent Office
Prior art keywords
wheel
retrograde
display mechanism
finger
correction
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Application number
EP20175724.2A
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English (en)
French (fr)
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EP3913442A1 (de
Inventor
Mehdi Denden
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Blancpain SA
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Blancpain SA
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Publication date
Application filed by Blancpain SA filed Critical Blancpain SA
Priority to EP20175724.2A priority Critical patent/EP3913442B1/de
Priority to US17/198,341 priority patent/US12055895B2/en
Priority to JP2021062632A priority patent/JP7143471B2/ja
Priority to RU2021114020A priority patent/RU2761129C1/ru
Priority to CN202110554602.1A priority patent/CN113703306B/zh
Publication of EP3913442A1 publication Critical patent/EP3913442A1/de
Application granted granted Critical
Publication of EP3913442B1 publication Critical patent/EP3913442B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—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
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually 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
    • G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the 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
    • G04B19/02—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
    • 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
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • 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

Definitions

  • the subject of the present invention is a retrograde horological display mechanism fitted with a safety device. More specifically, the present invention provides a retrograde date display mechanism fitted with such a safety device.
  • the document CH 711184A2 discloses a rapid current time correction mechanism for a watch (1) comprising a drive ring (71) which supports and drives an hour ring (70) which carries the hour indications.
  • a hand (5) as a retrograde minute display element is also provided. This hand (5) is mounted on the axis of a retrograde mobile (50) driven by a clockwork movement so that the hand (5) traverses the scale in 60 minutes.
  • a pin (51) linked to the retrograde mobile (50) acts as a drive member for the jumping display.
  • a winding stem (3) meshes with a transmission (31) which drives a current time correction mobile (30). The pin (51) is retracted during the rotation of the current time correction mobile (30).
  • the correction of the minutes of the current time is obtained with the winding stem (3) which meshes with a rocker control pinion which drives a current time correction mobile through the reference (31).
  • a friction wheel (37) provides a mechanism to prevent the basic movement from stopping during correction. This document is silent as to the presence of a blocking device to prevent the correction finger from driving the drive ring (71) when the displayed information changes.
  • the document EP1134627A1 discloses a retrograde display mechanism for a watch comprising a date sector (14) integral with and coaxial with a date sector pinion (15).
  • This date sector pinion (15) is driven by a drive finger date (3) mounted on a barrel (4) which also carries a date drive wheel (6) driven by the train of the watch at the rate of one revolution per day.
  • This jumping retrograde date mechanism also comprises a rapid correction mechanism which comprises a corrector disc (31) allowing the owner of the watch to manually correct the date indication provided by the retrograde date mechanism.
  • a corrector spring pawl (38) comprises an actuating tooth (42) which drives the date sector (14).
  • a lock (35) is provided to limit the angular displacement of the corrector disc (31) during rapid date correction.
  • the document EP1918792A1 discloses a horological retrograde display mechanism in which a finger (4) drives a date wheel (6) at regular intervals.
  • the mechanism comprises a disengagement device in the form of an annular cam (38) which, in its pivoting, makes it possible to move the arm (16) of the control rocker (14) away from the path of the cam (10) .
  • This document is silent as to the presence of a lock.
  • the object of the present invention is to provide a safety device allowing the owner of a watch to manually correct the indication provided by a retrograde horological display mechanism while protecting this retrograde horological display mechanism against any attempt to manually correct the information it displays during the period of time during which the change in the information displayed by the retrograde watch display mechanism occurs.
  • the present invention relates to a retrograde horological display mechanism for a watch comprising a wheel for displaying information, this display wheel being driven at regular time intervals by a drive finger carried by a drive wheel itself driven by a clockwork movement, in order to cause the information displayed by the retrograde clockwork display mechanism to pass from one value to the immediately following value
  • this retrograde clockwork display mechanism comprising also an intermediate correction device which allows the owner of the watch to manually correct the information supplied by the retrograde watchmaker's display mechanism by acting on a correction finger which drives the display wheel
  • the retrograde watchmaker's display mechanism also comprising a safety device arranged to allow the blocking of the intermediate correction device by preventing the correction finger from driving the display wheel during a period of time when the change of information displayed by the mechanism of retrograde horological display and where the drive finger is in mesh with the display wheel.
  • the present invention provides a retrograde horological display mechanism which allows the owner of the watch in which this retrograde horological display mechanism is embedded to manually correct the indication provided by the latter without the risk that the owner of the watch could break this retrograde horological display mechanism.
  • the present invention provides for providing the retrograde watchmaking display mechanism with a safety device rendering ineffective any attempt on the part of the owner of the watch for manually correcting the display provided by the retrograde horological display mechanism during the period of time when the horological movement drives this retrograde horological display mechanism and when the driving finger is in mesh with the wheel display to change the information displayed.
  • the present invention proceeds from the general inventive idea which consists in providing a retrograde horological display mechanism embedded in a watch and equipped with a safety device allowing to guarantee that at no time does the owner of the watch run the risk of forcing the retrograde watchmaking display mechanism and breaking it by wanting to carry out a manual correction of the displayed indication.
  • the present invention teaches to provide the retrograde horological display mechanism with a safety device aimed at making impossible any manual correction of the information displayed by this mechanism during the period of time when this horological display mechanism retrograde is driven by the clockwork and where the displayed information changes automatically.
  • the present invention will be described in connection with a retrograde horological display mechanism providing a date indication. It goes without saying that this example is given for purely illustrative and non-limiting purposes only and that the present invention can be applied to other horological display mechanisms arranged to display time information (for example days of the week or months of the year) in a retrograde way.
  • the retrograde horological display mechanism As illustrated in figure 1 comprises a drive wheel 2 which carries a drive finger 4 (see in particular picture 3 ). Driven in the counterclockwise direction by a clockwork movement of the watch not shown in the drawing, the drive wheel 2 is also called a 24-hour wheel because it performs a complete revolution in 24 hours. In turn, the drive wheel 2 drives by its drive finger 4 a display wheel 6 in the clockwise direction.
  • the display wheel 6 advances by one step per day and the drive wheel 2 makes a complete revolution in 24 hours.
  • the drive wheel 2 will perform a complete revolution in 7 days if the retrograde watch display mechanism 1 according to the invention is used to display the days of the week. Or the drive wheel 2 will complete a full revolution in 31 days if the display mechanism according to the invention is intended to display the months of the year.
  • the display wheel 6 is elastically constrained in the counterclockwise direction, that is to say the direction opposite to its drive, by a first spring (not shown in the drawing).
  • This elastic tension is retained by means of a wheel 10 mounted fixed coaxially to the display wheel 6 and in a toothing 12 of which a first beak 13 of a retaining finger 14 is pressed by a jumper 16 constrained by a second spring 8 .
  • the retaining means which elastically constrains the display wheel 6 may be the jumper 16 itself which is provided with a spout by which it is pressed into toothing 12 of display wheel 6.
  • the drive finger 4 is flexible.
  • this flexible drive finger 4 consists of a second beak 18 extended by at least one elastic coil 20 which ends in means making it possible to secure the free end of the elastic coil 20 on the drive wheel 2.
  • the elastic coil 20 ends in a radial arm 22 pierced with a hole 24 allowing the flexible drive finger 4 to be pushed out on an axis pivot 26 of drive wheel 2.
  • the flexible drive pin 4 is mounted free in rotation coaxially between the drive wheel 2 and a circular plate 28 in a perimeter 30 of which are formed at least one notch 34 and preferably also a clearance 32.
  • a pin 36 is fixed by any appropriate technique such as driving in or gluing in the second beak 18 of the finger drive 4 flexible.
  • the pin 36 protrudes into an oblong hole 38 provided in a board 40 of the drive wheel 2, and at a second end, the pin 36 protrudes into the notch 34 provided in the perimeter 30 of the circular plate 28.
  • the flexible drive finger 4 is mounted on the drive wheel 2 with a slight preload so as to ensure that the first end of the pin 36 is constantly in contact with a wall 42 of the oblong hole 38 formed in board 40 of drive wheel 2.
  • the drive wheel 2 performs a complete revolution in 24 hours.
  • the change of the information displayed that is to say the date, takes place around midnight.
  • the pin 36 is in abutment against the oblong hole 38 and the flexible drive finger 4 which is integrally mounted on the drive wheel 2 at its end opposite its second beak 18 begins to stretch and drive the circular plate 28 and the cam 46 in pivoting (see figure 4 ).
  • the flexible drive finger 4 is assisted in this by the eccentric 44 which comes into abutment against an edge 48 of the recess 32.
  • the drive finger 4 drives the display wheel 6. It will be noted that by slightly pivoting the eccentric 44 in one direction or the other, the moment when the eccentric 44 comes into contact with the circular plate 28 and where the displayed indication, here the date indication, changes from one value to the immediately following value.
  • the flexible drive finger 4 causes the display wheel 6 to advance one step clockwise thanks to its second beak 18 engaged in a toothing 50 of this display wheel 6 (see figure 5 ).
  • flexible drive finger 4 disengages from its grip with toothing 50 of display wheel 6 and relaxes (see figure 6 ).
  • the drive finger 4 is intended to be flexible, it is in order to allow the correction of the current time displayed by the watch in which the display mechanism retrograde watchmaker 1 according to the invention is on board in both directions. Nevertheless, the present invention applies identically to the case in which the drive finger 4 which comes into engagement with the toothing 50 of the display wheel 6 is rigid. The only difference with the case in which the drive finger 4 is flexible resides in the fact that the correction of the current time displayed by the watch in which the retrograde horological display mechanism 1 according to the invention is embedded cannot be done only in one direction when the drive finger 4 is rigid.
  • any risk of driving the display wheel 6 in the opposite direction to the direction in which the flexible drive finger 4 drives this display wheel 6 during the period of time where these two components are engaged with each other, and therefore breaking the mechanism, is ruled out.
  • the retrograde horological display mechanism 1 is also equipped with a corrector device 54 to allow the owner of the watch to carry out a manual correction of the indication displayed by this retrograde horological display mechanism 1.
  • the corrector device 54 comprises a control lever 56 which pivots clockwise around a first center of pivoting 58 when the owner of the watch exerts on this control lever 56 a push along the arrow A by means of a push button 57.
  • a stud 60 is mounted at a first end of the latter, while at a second end the control lever 56 carries a correction pin 62 (see figure 9 ).
  • This third spring 64 belongs to an intermediate correction device 66 which comprises a correction rocker 68 with which the third spring 64 is integral and which is capable of pivoting in the counter-clockwise direction around a second center pivoting 70 (see figures 7, 8 and 10 ).
  • the intermediate correction device 66 also comprises a correction finger 72 capable of pivoting around a third pivoting center 74 and elastically constrained by a fourth spring 76 which, preferably but not limited to, is made of material with the correction finger 72.
  • This fourth spring 76 is mounted with a slight elastic preload thanks to a pin 77 which keeps it apart from its rest position. This fourth spring 76 elastically constrains the correction finger 72 in the clockwise direction, so as to keep this correction finger 72 separated from the toothing 50 of the display wheel 6 in normal times. In its position away from the toothing 50 of the display wheel 6, the correction finger 72 bears against a stop 79.
  • the operation of the intermediate correction device 66 is as follows: when the owner of the watch wishes to perform a correction of the indication displayed by the retrograde horological display mechanism 1, he presses the push-button 57, which has the effect of rotating the control lever 56 counterclockwise (see figure 11 ). Under the effect of the pivoting of the control lever 56, the correction pin 56 separates the third spring 64 from its rest position and causes the pivoting of the correction rocker 68 in the counterclockwise direction. By pivoting, the correction rocker 68 pivots the correction finger 72 counterclockwise against the elastic restoring force of the fourth spring 76, so that the correction finger 72 advances the display wheel 6 one step ( figure 12 ). When the owner of the watch releases the pressure on the push-button 57, the correction finger 72 progressively disengages from the toothing 50 of the display wheel 6 as can be seen in figures 13 to 16 .
  • the safety device 52 comprises a fork 78 pivotally mounted around a fourth pivot center 80 and which is provided with a feeler 82.
  • This safety device 52 is coupled to the intermediate correction device 66 via an articulation 84 by ball joint type example. It will be noted that as a particular embodiment of the invention, the correction rocker 68 and fork 78 can be made in one piece.
  • the corrector device 54, the intermediate correction device 66 and the safety device 52 together form a linkage which is arranged so that, when the flexible drive finger 4 is in engagement with the toothing 50 of the display wheel 6 and the owner of the watch simultaneously presses the push-button 57 in an attempt to correct the indication provided by the retrograde horological display mechanism 1 according to the invention, the feeler 82 comes to rest on the cam 46. L This entire linkage is thus momentarily blocked and pressure exerted by the owner of the watch on the control lever 56 has no effect thanks to the third spring 64 which is tensioned to tolerate additional pivoting of the control lever 56.
  • the drive finger 4 can be either flexible or rigid, without this affecting the retrograde horological display mechanism 1 according to the invention.
  • the only notable difference in the case where the drive finger 4 is rigid resides in the fact that the correction of the current time displayed by the watch in which the retrograde horological display mechanism 1 is embedded cannot be performed only in one direction. Indeed, it is understood that when the owner of the watch corrects the current time, this has the effect of rotating the drive wheel 2 in order to avoid any risk of desynchronization between the display of the current time and the display of the indication provided by the retrograde horological display mechanism 1. Consequently, when the drive finger 4 is rigid, this means that it is fixedly mounted on the drive wheel 2, so that this drive wheel cannot rotate in the opposite direction to the direction in which it rotates when it drives the display wheel 6 via the drive finger 4.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Claims (15)

  1. Retrograder Uhranzeigemechanismus (1) für eine Uhr, umfassend ein Rad (6) für die Anzeige einer Information, wobei dieses Anzeigerad (6) in gleichmäßigen Zeitintervallen von einem Antriebsfinger (4) angetrieben wird, der von einem Antriebsrad (2) getragen wird, das selbst von einem Uhrwerk angetrieben wird, um die von dem retrograden Uhranzeigemechanismus (1) angezeigte Information von einem Wert zum unmittelbar nächsten Wert zu wechseln, wobei dieser retrograde Uhranzeigemechanismus (1) ebenfalls eine Zwischenkorrekturvorrichtung (66) umfasst, die es dem Besitzer der Uhr ermöglicht, die Information, die der retrograde Uhranzeigemechanismus (1) bereitstellt, durch Betätigen eines Korrekturfingers (72) manuell zu korrigieren, der das Anzeigerad (6) antreibt, dadurch gekennzeichnet, dass der retrograde Uhranzeigemechanismus (1) auch eine Sicherheitsvorrichtung (52) umfasst, die eingerichtet ist, um die Blockade der Zwischenkorrekturvorrichtung (66) zu erlauben, indem der Korrekturfinger (72) daran gehindert wird, das Anzeigerad (6) während eines Zeitraums anzutreiben, in dem die Änderung der von dem retrograden Uhranzeigemechanismus (1) angezeigten Information erfolgt und in dem der Antriebsfinger (4) mit dem Anzeigerad (6) in Eingriff ist.
  2. Retrograder Uhranzeigemechanismus (1) nach Anspruch 1, dadurch gekennzeichnet, dass das Anzeigerad (6) von einer ersten Feder in die zu seinem Antrieb entgegensetzte Richtung elastisch gezwungen wird, wobei diese elastische Spannung dank einem Rad (10) gehalten wird, das koaxial fest am Anzeigerad (6) angebracht ist und in einer Zahnung (12), von der ein auf dem Anzeigerad (6) angebrachtes Haltemittel elastisch angedrückt wird.
  3. Retrograder Uhranzeigemechanismus (1) nach Anspruch 2, dadurch gekennzeichnet, dass das Haltemittel eine Hebelfeder (16) ist, die von einer fünften Feder (86) elastisch beansprucht wird und mit einem Schnabel versehen ist, der in der Zahnung (12) des Anzeigerads (10) angedrückt wird.
  4. Retrograder Uhranzeigemechanismus (1) nach Anspruch 2, dadurch gekennzeichnet, dass das Haltemittel ein Haltefinger (14) ist, der von einer Hebelfeder (16) elastisch beansprucht wird und mit einem Schnabel (13) ausgestattet ist, der in der Zahnung (12) des Anzeigerads (10) angedrückt wird.
  5. Retrograder Uhranzeigemechanismus (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Antriebsfinger (4) flexibel ist.
  6. Retrograder Uhranzeigemechanismus (1) nach Anspruch 5, dadurch gekennzeichnet, dass sich der Antriebsfinger (4) aus einem Schnabel (18) im Eingriff in eine Zahnung (50) des Anzeigerads (6) und verlängert durch mindestens eine elastische Windung (20) zusammensetzt, die durch Mittel endet, die erlauben, ein freies Ende der elastischen Windung (20) auf dem Antriebsrad (2) fest zu verbinden, das den Antriebsfinger (4) trägt.
  7. Retrograder Uhranzeigemechanismus (1) nach Anspruch 6, dadurch gekennzeichnet, dass die Befestigungsmittel des Antriebsfingers (4) einen radialen Arm (22) umfassen, in den ein Loch (24) gebohrt ist, das erlaubt, den flexiblen Antriebsfinger (4) auf einer Drehachse (26) des Antriebsrads (2), das ihn trägt, fest zu verbinden.
  8. Retrograder Uhranzeigemechanismus (1) nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass der flexible Antriebsfinger (4) koaxial zwischen dem Antriebsrad (2) und einer runden Platte (28) angebracht ist, die frei auf dem Antriebsrad (2) angebracht ist und in einem Umfang (30) davon, eine Kerbe (34) eingerichtet ist, und dass ein Stift (36) im Schnabel (18) des flexiblen Antriebsfingers (4) befestigt ist, wobei dieser Stift (36) an einem ersten Ende in ein Langloch (38), das in einer Platte (40) des Antriebsrads (2) eingerichtet ist, und an einem zweiten Ende in die Kerbe (34) hineinragt.
  9. Retrograder Uhranzeigemechanismus (1) nach Anspruch 8, dadurch gekennzeichnet, dass der flexible Antriebsfinger (4) auf dem Antriebsrad (2) vorgespannt derart angebracht ist, dass der Stift (36) an einer Wand (42) des Langlochs (38) ständig in Abstützung ist.
  10. Retrograder Uhranzeigemechanismus (1) nach einem der Ansprüche 8 und 9, dadurch gekennzeichnet, dass ein Exzenter (44) in der Platte (40) des Antriebsrads (2) derart befestigt ist, dass seine Position korrigierbar ist und derart positioniert ist, dass er sich in einer Aussparung (32) befindet, die im Umfang (30) der runden Platte (28) eingerichtet ist.
  11. Retrograder Uhranzeigemechanismus (1) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass auf der runden Platte (28) ein Nocken (46) ruht, der auf dieser runden Platte (28) fest angebracht ist, wobei sich ein Taster (82) der Sicherheitsvorrichtung (52) auf diesem Nocken (46) abstützt, um alle manuellen Korrekturversuche der vom retrograden Uhranzeigemechanismus (1) angezeigten Information zu verunmöglichen, wenn der flexible Antriebsfinger (4) mit dem Anzeigerad (6) im Eingriff ist und der Besitzer der Uhr gleichzeitig die Zwischenkorrekturvorrichtung (66) betätigt.
  12. Retrograder Uhranzeigemechanismus (1) nach Anspruch 11, dadurch gekennzeichnet, dass er eine Korrekturvorrichtung (54) umfasst, die, wenn vom Besitzer der Uhr betätigt, auf eine Zwischenkorrekturvorrichtung (66) derart einwirkt, dass der Korrekturfinger (72) in der Zahnung (50) des Anzeigerads (6) in Eingriff kommt und dieses nur dann vorantreibt, wenn der flexible Antriebsfinger (4) nicht mit dem Anzeigerad (6) im Eingriff ist.
  13. Retrograder Uhranzeigemechanismus (1) nach Anspruch 12, dadurch gekennzeichnet, dass die Korrekturvorrichtung (54) einen Steuerhebel (56) umfasst, der schwenkt, wenn der Besitzer der Uhr auf diesen Steuerhebel (56) einen Druck ausübt, wobei dieser Steuerhebel (56) mit einem Korrekturstift (62) versehen ist, der eine zweite Feder (64) der Zwischenkorrekturvorrichtung (66) aus ihrer Ruhestellung bewegt, wobei diese zweite Feder (64) auf einer Korrekturwippe (68) befestigt ist, die beim Schwenken ihrerseits den Korrekturfingers (72) gegen die elastische Rückstellkraft einer dritten Feder (76) schwenkt, so dass der Korrekturfinger (72) das Anzeigerad (6) nur dann vorantreibt, wenn der flexible Antriebsfinger (4) nicht mit dem Anzeigerad (6) im Eingriff ist, wobei die Sicherheitsvorrichtung (52) zu diesem Zweck eine schwenkend angebrachte Gabel (78) umfasst, an die die Korrekturwippe (68) gekoppelt ist und die mit dem Taster (82) versehen ist.
  14. Retrograder Uhranzeigemechanismus (1) nach einem der Ansprüche 5 bis 13, dadurch gekennzeichnet, dass das Antriebsrad (2), das den flexiblen Antriebsfinger (4) trägt, ein 24-Stunde-Rad ist und dass der retrograde Uhranzeigemechanismus (1) erlaubt, die Datumsangaben anzuzeigen.
  15. Retrograder Uhranzeigemechanismus (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Antriebsfinger (4) starr ist.
EP20175724.2A 2020-05-20 2020-05-20 Retrograder uhranzeigemechanismus, der mit einer sicherheitsvorrichtung ausgestattet ist Active EP3913442B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20175724.2A EP3913442B1 (de) 2020-05-20 2020-05-20 Retrograder uhranzeigemechanismus, der mit einer sicherheitsvorrichtung ausgestattet ist
US17/198,341 US12055895B2 (en) 2020-05-20 2021-03-11 Retrograde timepiece display mechanism provided with a safety device
JP2021062632A JP7143471B2 (ja) 2020-05-20 2021-04-01 安全装置を具備する逆行計時器表示機構
RU2021114020A RU2761129C1 (ru) 2020-05-20 2021-05-18 Ретроградный часовой механизм индикации с предохранительным устройством
CN202110554602.1A CN113703306B (zh) 2020-05-20 2021-05-20 设置有安全装置的回跳时计显示机构

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Application Number Priority Date Filing Date Title
EP20175724.2A EP3913442B1 (de) 2020-05-20 2020-05-20 Retrograder uhranzeigemechanismus, der mit einer sicherheitsvorrichtung ausgestattet ist

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EP3913442A1 EP3913442A1 (de) 2021-11-24
EP3913442B1 true EP3913442B1 (de) 2023-05-17

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EP (1) EP3913442B1 (de)
JP (1) JP7143471B2 (de)
CN (1) CN113703306B (de)
RU (1) RU2761129C1 (de)

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EP4321939A1 (de) * 2022-08-09 2024-02-14 Patek Philippe SA Genève Vorrichtung zur sofortigen auslösung für einen uhrwerkmechanismus
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EP1918792B1 (de) * 2006-11-06 2010-04-21 Compagnie des Montres Longines, Francillon SA Uhr, die einen Korrekturmechanismus für eine Vorrichtung zur Anzeige einer Zeitgröße umfasst

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JP2021183960A (ja) 2021-12-02
EP3913442A1 (de) 2021-11-24
CN113703306A (zh) 2021-11-26
CN113703306B (zh) 2023-01-13
US12055895B2 (en) 2024-08-06
JP7143471B2 (ja) 2022-09-28
US20210364989A1 (en) 2021-11-25
RU2761129C1 (ru) 2021-12-06

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