EP3112956B1 - Retrograder chronographenmechanismus mit einholzeiger - Google Patents

Retrograder chronographenmechanismus mit einholzeiger Download PDF

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Publication number
EP3112956B1
EP3112956B1 EP16177230.6A EP16177230A EP3112956B1 EP 3112956 B1 EP3112956 B1 EP 3112956B1 EP 16177230 A EP16177230 A EP 16177230A EP 3112956 B1 EP3112956 B1 EP 3112956B1
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EP
European Patent Office
Prior art keywords
chronograph
split
wheel
time
cam
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EP16177230.6A
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English (en)
French (fr)
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EP3112956A1 (de
Inventor
Yannick PINTUS
Micke PINTUS
Jean-Luc Perrin
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Richemont International SA
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Richemont International SA
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements
    • G04F7/0876—Split-time function, e.g. rattrappante
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/087—Geometrical arrangement of the graduations with several separate scales
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0857—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with single push-button or actuation member for start-stop and reset
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements

Definitions

  • the present invention relates to a retrograde chronograph mechanism for a watch movement, intended to ensure, on demand, the driving of a first display member of a unit of a measured time, preferably seconds of a measured time. such that the display member has a retrograde movement, i.e., it is driven to move in a sector less than 360 degrees.
  • timepieces have been presented so far which include a chronograph mechanism with retrograde display of at least one unit of a measured time.
  • the patent application WO 2005/091086 A1 describes and illustrates a timepiece with electronic movement arranged to present a retrograde display tenths of seconds and a retrograde display hundredths of seconds. Because of the use of an electronic movement, it is clear that this invention lies more in the manner of presenting the information than in the construction that achieves the desired display.
  • the patent application EP 1024416 A2 describes another example of chronograph mechanism, mechanical this time.
  • the purpose of the construction presented in this application is to order a display of fractions of seconds of measured time and to take up typical elements mechanisms used to make retrograde displays.
  • the display unit of fractions of seconds does not exactly follow a retrograde movement, in the conventional sense, insofar as the display of the number of fractions of seconds measured is done on demand, whereas the mechanism is stopped to avoid any risk of damage.
  • the Hublot brand has introduced several models of mechanical watches containing the same movement including a bi-retrograde chronograph mechanism, within a collection called Big Bang Unico Bi-Retrograd Chrono. This watch movement is arranged to control the movements of retrograde display hands of seconds and minutes of time measured. The two needles move opposite two concentric graduated sectors.
  • the patent application WO2012 / 104688A1 has a timepiece construction, preferably with a chronograph function, comprising a second display member associated with a display element fractions of seconds, these two bodies being concentric for questions related to the readability of the display corresponding.
  • This document presents a large number of theoretical principles relating to alternative embodiments without however going into the corresponding construction details.
  • it evokes the possibility of associating the two display members of the seconds and fractions of seconds with display devices of the catch-up type.
  • Such a possibility involves having at least four display drive mobiles in a coaxial manner while these mobiles are very sensitive, even six mobile if the display of the current hours and minutes also remains coaxial with the other displays.
  • the skilled person is generally reluctant to embark on this type of very delicate constructions.
  • chronograph mechanisms Some inventions relating to chronograph mechanisms also relate to known constructions and aims to improve the operation and / or reliability or to simplify the development.
  • a main object of the present invention is to propose a chronograph mechanism of the type mentioned above, that is to say with a retrograde display, representing an important technical advance in the field of chronograph mechanisms by the implementation of a rare complication taking a novel form and to ensure a good readability of the information provided by the corresponding timepiece.
  • split-second chronograph mechanisms are relatively rare and are even more complex to develop than conventional chronograph mechanisms.
  • the catch-up mechanism controls the movements of a second display hand of a measured intermediate time which is positioned under the second chronograph hand, being pivoted to the center of the dial of the corresponding timepiece.
  • the readability of these watches is often reduced as we finally end up with four hands pivoted in the center, with those of minutes and hours.
  • the features of the present invention that is to say the implementation of a retrograde retrograde needle, it becomes possible to associate such a needle to a retrograde chronograph mechanism and to provide a sector of specific display for measured times.
  • the legibility of the corresponding timepiece can thus be improved with reference to known timepieces. It is possible to arrange the two needles in such a way that they are superimposed as is the case usually, but one can also consider, as an alternative, a specific display sector for each of the hands if the occupation of the dial by other functions of the timepiece allows it.
  • the retrograde drive of the chronograph mobile comprises a chronograph cam rotated from the chronograph counter and associated with a chronograph rocker bearing, on the one hand, a probe held in abutment against the cam chronograph rake and, secondly, a chronograph rake having a kinematic connection with the chronograph mobile.
  • the retrograde drive device of the retractable wheel comprises a retracting cam driven in rotation from the split-seconds counter and associated with a catch-up flip-flop bearing, on the one hand, a probe held in abutment against the cam. on the other hand, on the other hand, a catch-up rake having a kinematic connection with the split-seconds mobile.
  • the chronograph counter includes a first chronograph wheel, the retrograde drive of the chronograph mobile comprising a second chronograph wheel rotatably connected to the chronograph cam, the first and second chronograph wheels being arranged engaged with each other.
  • the split-timer counter it is then possible to provide for the split-timer counter to comprise a first split-second wheel, the retrograde-drive device for the split-second mobile comprising a second split-second wheel arranged for rotating the split-second cam, the first and second wheels. catches being arranged in engagement with each other.
  • the first chronograph wheel and the first catch-up wheel are coaxial.
  • the indexing device disengageable comprises a core cam integral with the first chronograph wheel and against which is held in support of a probe carried by a lever pivotally mounted on the first split wheel.
  • the second split-second wheel is rotatably connected to a third catch-up wheel itself arranged in engagement with a split-spring return which is integral in rotation with the split-second cam.
  • the first catch-up wheel has a sufficient thickness to be able to cooperate, on the one hand, with the clamps and, on the other hand, with the second catch-up wheel in respective planes. bunk. Thanks to this characteristic, the small deformations that the teeth of the first split-second wheel is likely to suffer due to the shocks of the clamps do not risk compromising the quality of its meshing with the second split-second wheel.
  • the chronograph counter comprises a heart-shaped, reset cam, integral in rotation with the first chronograph wheel, the split-seconds counter and the retrograde drive device of the second-hand mobile being arranged in such a way that the split-second cam has a rotation frequency equal to twice the rotation frequency of the first chronograph wheel.
  • the chronograph cam has a rotation frequency equal to that of the first chronograph wheel.
  • the catch-up cam preferably has the shape of a simple snail while the chronograph cam has the shape of a double snail.
  • the mechanism comprises an insulator integral with one of the chronograph and catch-up scales, and arranged to act on the other, such that their fall on the cams , chronograph and rattrapante respectively, are synchronized.
  • the present invention also relates to a watch movement provided with a chronograph mechanism corresponding to the features just presented, as well as a timepiece equipped with such a watch movement.
  • the figure 1 represents a simplified front view of a watch movement 1 comprising a chronograph mechanism according to a preferred embodiment of the invention, the movement being illustrated with its visible dial side.
  • the figure 2 represents a front view of a construction detail of the watch movement of the figure 1 while the figure 3 represents a complementary front view of a second construction detail of the watch movement of the figure 1 which is not visible on figures 1 and 2 .
  • the watch movement 1 comprises a plate 2 intended to support the components of the movement including certain components of the chronograph mechanism according to the invention.
  • the plate 2 may also be an auxiliary plate dedicated to the chronograph mechanism and, in this case, a main plate (not shown) located under the auxiliary plate would support the other components of the movement.
  • the watch movement 1 will not be described in detail since many of the elements that compose it do not have a direct impact on the implementation of the present invention.
  • the watch movement 1 is of the type comprising at least two needles (not shown) for displaying the current hours and minutes. These needles are here intended to be off-center towards the midday position. Moreover, the watch movement 1 is arranged to control the movements of a second chronograph hand and a split second hand (shown on the figure 3 ), that is to say a needle intended to display the measured seconds of intermediate time. Preferably, the watch movement 1 is also intended to cause the movements of hands minutes minutes and hours of time measured (not shown). It comprises a source of energy (not visible) intended to cause the movement of these needles through including a finishing train (not visible). Of course, the watch movement 1 may include complications associated with additional display members without departing from the scope of the present invention.
  • the watch movement 1 is here intended to equip a pocket watch comprising a first chronograph control member 4 at 12 o'clock and a second control member 6, at 11 o'clock.
  • the chronograph mechanism illustrated here is of the monopusher type, that is to say that the first control member 4 makes it possible to control all the operating modes of the chronograph mechanism by itself, sequentially, in the order : On, off and then reset. In the absence of action on the second control member 6, the split-second hand has the same movement as the second chronograph hand.
  • a first step the part of the illustrated watch movement relating to the operation of the basic chronograph will be described.
  • the specific operation part of the catch-up mechanism will be described in a second step.
  • the chronograph mechanism comprises a chronograph counter 8, seconds, arranged here at the center of the watch movement 1.
  • the chronograph counter 8 is capable of being rotated from an average wheel 10 of the watch movement by via a conventional clutch device 12.
  • the clutch device 12 comprises a seconds wheel 14, pivoted on a bridge 16 and secured to a pinion (not visible) so that it turns on itself in two minutes.
  • a clutch wheel 18 carried by a clutch rocker 20 is arranged in permanent engagement with the seconds wheel 14.
  • the clutch rocker 20 is pivotable between an engaged position, in which the clutch wheel 18 also meshes with a first wheel of Chronograph 22 of the chronograph counter 8, and a disengaged position in which the clutch wheel 18 is located out of reach of the first chronograph wheel 22.
  • the first chronograph wheel 22 is driven at the rate of one revolution in two minutes.
  • the first chronograph wheel 22 is arranged in permanent engagement with a second chronograph wheel 24, pivotally mounted in particular on a retrograde bridge 26 and forming part of a retrograde drive device of the chronograph seconds.
  • the second chronograph wheel 24 is integral in rotation with a chronograph cam 28, in the form of a double snail.
  • An additional board (not visible) is partially arranged in superposition of the retrograde bridge 26, to ensure the assembly of components of the retrograde driving device, as illustrated in FIG. figure 3 .
  • a chronograph scale 30 is arranged in rotation on the additional plate, the latter comprising a feeler 32 intended to be arranged in abutment against the periphery of the chronograph cam 28 and a toothed rake 34.
  • the latter is arranged in engagement with a mobile chronograph 36, coaxial with the chronograph counter 8 and intended to carry a needle 38 seconds of measured time.
  • a sector graduated from the measured seconds of time 40 is schematized on the figure 3 , this latter extending over an angle of 140 degrees, by way of nonlimiting illustration.
  • the shape of the chronograph cam 28 and the multiplication between the chronograph rake 34 and the chronograph mobile 36 are such that the chronograph hand 38 travels at a 140 degree angle when the chronograph cam 28 turns half a turn, ie once every minute. Then, the feeler 32 falls on the portion of the chronograph cam 28 having the smallest radius and the chronograph hand 38 returns to its initial position, before repeating the same movement as long as the measurement of a time is in progress .
  • An elastic return member (not shown) is provided to act on the chronograph rocker 30 and maintain its probe 32 bearing against the periphery of the chronograph cam 28.
  • the chronograph mechanism also drives a chronograph minute counter 42 in a conventional manner.
  • the chronograph mechanism comprises for this purpose two drive fingers 44, diametrically opposed and integral in rotation with the first chronograph wheel 22, these fingers being intended to advance a step forward a minute 46 each time the Mobile Chronograph 36 travels at an angle of 140 degrees, ie once a minute.
  • the return of the minutes 46 in turn causes a wheel 48 of the minute counter 42 once per minute.
  • the chronograph counter 8 also comprises a conventional reset cam 49, integral with the first chronograph wheel 22.
  • the first control member 4 cooperates with a three-cycle column wheel 50 to rotate it and move from one mode of operation to another.
  • the columns of the column wheel 50 conventionally cooperate with a spout 51 of the clutch rocker 20, with a brake 52 of the chronograph counter 8 and with a reset hammer 54.
  • the latter comprises first and second arms 56, 58 arranged to act respectively on the seconds counter 8 and on the minutes counter 42.
  • Elastic return members are provided, in known manner, to act on these various components and tend to push them back into their position. by default.
  • jumpers are provided for maintain the angular positions of the column wheel 50 and the minute counter 42, when necessary.
  • the catch-up mechanism comprises a split-seconds counter comprising a first split-second wheel 60 coaxial with the first chronograph wheel 22. It furthermore comprises a disengageable indexing device arranged between the first chronograph and split-seconds wheels, in such a way that the angular position of the first catch-up wheel 60 can be indexed to that of the first chronograph wheel 22 when necessary.
  • this disengageable indexing device comprises, in a conventional manner, a core cam (not visible) integral with the first chronograph wheel 22 and a lever 62 pivotally mounted on the first split-second wheel 60, the lever 62 having a probe (not visible, or a roller, alternatively) held in abutment against the periphery of the cam in the heart under the effect of the action of a spring 64 also carried by the first wheel of split-seconds 60.
  • the first split-second wheel 60 follows the first chronograph wheel 22.
  • a pair of conventional splitters 66 are provided for locking the first split-second wheel 60 when the reading of an intermediate measured time is requested by the user.
  • the clamps 66 are movable between a locked position, in which they are arranged in abutment against the toothing of the first split wheel 60, and an unlocked position in which they leave the first split wheel 60 free to rotate.
  • the clamps 66 are controlled in synchronization, in a known manner, by a retreating column wheel 68 arranged to be driven in rotation, step by step, by the second control member 6, to change the condition of the clamps, alternately.
  • first split-second wheel 60 has a permanent kinematic connection with a retrograde counter-clockwise driving device, meshing with a second split-second wheel 70.
  • the thickness of the first split-second wheel 60 is such that, on the one hand, the grippers 66 and, on the other hand, the second catch-up wheel 70 cooperate with it at different levels. of his teeth, in respective superimposed planes.
  • the second split-second wheel 70 is coaxial with the second chronograph wheel 24 and is rotatably connected to a third split-second wheel 72, which is also coaxial, but of smaller diameter.
  • the third catch-up wheel 72 is arranged in engagement with a catch-up return 74 integral in rotation with a split snail cam 76 in the shape of a simple snail.
  • the ratios between the second and third split-seconds wheels and the split-back gear are such that the split-second cam 76 performs a complete turn on itself in one minute.
  • a split-seconds rocker 78 is arranged in rotation on the additional plate, the latter comprising a feeler 80 intended to be arranged in abutment against the periphery of the split-second cam 76 and a toothed rake 82.
  • the latter is arranged in engagement with a rattrapante mobile 84, coaxial with the chronograph counter 8 and intended to carry a needle 86 seconds measured intermediate seconds, called catch-up.
  • a graduated sector of measured intermediate time seconds 88 is schematized on the figure 3 , this extending over an angle of 140 degrees being opposite to the graduated sector 40 seconds of time measured, by way of non-limiting illustration.
  • the shape of the split-second cam 76 and the reduction ratio between the split-second rake 82 and the split-seconds wheel 84 are such that the split-second needle 86 travels at a 140-degree angle when the split-second cam 76 makes a complete turn, either once every minute. Then, the probe 80 falls on the portion of the splitter cam 76 having the smallest radius and the split-second needle 86 returns to its initial position, before repeating the same movement as long as the measurement of a time is in progress .
  • An elastic return member (not shown) is provided to act on the catch-up latch 78 and maintain its feeler 80 bearing against the periphery of the split-second cam 76.
  • the split-second needle 86 may be arranged to move opposite the same graduated sector as the second chronograph hand 38 or, alternatively, on a sector which is specific to it as illustrated in FIG. figure 3 .
  • an isolator 90 can be provided between the chronograph and catcheswitch latch 78, here having the form of a curved spring whose one end is integral with the chronograph rocker 30 and the other end is arranged in support against a pin 92 carried by the latch rocker 78.
  • This isolator 90 ensures a perfect synchronization between the two latches when they fall on the corresponding cams.
  • the chronograph rocker 30 retains the latch rocker 78 until it has fallen. It is only at the moment of its fall that the insulator 90 releases the catch-up latch 78 and also allows it to fall on the portion of the split-second cam 76 of the weakest radius.
  • a timepiece having an original chronograph display can be made, not only the latter being retrograde type, but in addition it is associated with a display of intermediate times also retrograde type.
  • the feeler 80 of the split-seconds rocker 78 is provided with a safety device. to allow it to retract if the reset chronograph was to cause a rotation of the split cam 76 in the counterclockwise direction on the view of the figure 3 .
  • the present teaching may also be adapted to provide the drive of a display member associated with a unit of time other than the second without departing from the scope of the invention.

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

Claims (16)

  1. Retrograder Chronographenmechanismus für Uhrwerk (1), das dazu bestimmt ist, auf Anforderung den Antrieb eines ersten Anzeigeorgans (38) einer Einheit einer gemessenen Zeit, vorzugsweise der Sekunden einer gemessenen Zeit, derart zu gewährleisten, dass das Anzeigeorgan (38) eine retrograde Bewegung aufweist, das heißt, dass es angetrieben wird, um sich gemäß einem Sektor kleiner als 360 Grad zu verlagern, wobei der Mechanismus aufweist
    einen Chronographenzähler (8),
    eine Kupplungsvorrichtung (12), die bestimmt ist, auf Anforderung eine Verbindung zwischen dem Chronographenzähler (8) und einem Antriebsdrehteil (10) des Uhrwerks (1) herzustellen,
    ein Chronographendrehteil (36), das dazu bestimmt ist, das erste Anzeigeorgan (38) zu tragen,
    eine retrograde Antriebsvorrichtung des Chronographendrehteils (36), aufweisend eine kinematische Verbindung mit dem Chronographenzähler (8),
    ein Einholdrehteil (84), das dazu bestimmt ist, ein zweites Anzeigeorgan (86) der Einheit einer gemessenen Zwischenzeit zu tragen,
    einen Einholzähler, der mit dem Chronographenzähler (8) mittels einer auskuppelbaren Indexiervorrichtung (62, 64) verbunden ist,
    eine retrograde Antriebsvorrichtung des Einholdrehteils (84), die eine kinematische Verbindung mit dem Einholzähler aufweist, und derart ausgebildet ist, dass das zweite Anzeigeorgan (86) eine retrograde Bewegung aufweist, das heißt, dass es angetrieben wird, um sich gemäß einem Sektor kleiner als 360 Grad zu verlagern, und
    eine Verriegelungsvorrichtung (66, 68) auf Anforderung des Einholzählers, um die Anzeige der gemessenen Zwischenzeit zu erlauben.
  2. Mechanismus nach Anspruch 1, dadurch gekennzeichnet,
    dass die retrograde Antriebsvorrichtung des Chronographendrehteils (36) eine Chronographenkurvenscheibe (28) umfasst, die ab dem Chronographenzähler (8) rotierend angetrieben wird und einer Chronographenwippe (30) zugeordnet ist, die zum einen einen Taster (32) trägt, der in Abstützung gegen die Chronographenkurvenscheibe (28) gehalten wird, und zum anderen einen Chronographenrechen (34), der eine kinematische Verbindung mit dem Chronographendrehteil (36) aufweist, und
    dass die retrograde Antriebsvorrichtung des Einholdrehteils (84) eine Einholkurvenscheibe (76) aufweist, die ab dem Einholzähler rotierend angetrieben wird und einer Einholwippe (78) zugeordnet ist, die zum einen einen Taster (80) trägt, der in Abstützung gegen die Einholkurvenscheibe (76) gehalten wird, und zum anderen einen Einholrechen (82), der eine kinematische Verbindung mit dem Einholdrehteil (84) aufweist.
  3. Mechanismus nach Anspruch 2, dadurch gekennzeichnet,
    dass der Chronographenzähler (8) ein erstes Chronographenrad (22) umfasst, wobei die retrograde Antriebsvorrichtung des Chronographendrehteils (36) ein zweites Chronographenrad (24) umfasst, das mit der Chronographenkurvenscheibe (28) rotierend fest verbunden ist, wobei das erste und zweite Chronographenrad (22, 24) in Eingriff ineinander ausgebildet sind, und
    dass der Einholzähler ein erstes Einholrad (60) umfasst, wobei die retrograde Antriebsvorrichtung des Einholdrehteils (84) ein zweites Einholrad (70) umfasst, das ausgebildet ist, um die Einholkurvenscheibe (76) rotierend anzutreiben, wobei das erste und zweite Einholrad (60, 70) in Eingriff ineinander ausgebildet sind.
  4. Mechanismus nach Anspruch 3, dadurch gekennzeichnet, dass das erste Chronographenrad (22) und das erste Einholrad (60) koaxial sind.
  5. Mechanismus nach Anspruch 4, dadurch gekennzeichnet, dass die auskuppelbare Indexiervorrichtung eine Herzkurvenscheibe aufweist, die mit dem ersten Chronographenrad (22) fest verbunden ist und gegen die ein Taster in Abstützung gehalten wird, der von einem Hebel (62) getragen wird, der auf dem ersten Einholrad (60) schwenkend angebracht ist.
  6. Mechanismus nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das zweite Chronographenrad (24) und das zweite Einholrad (70) koaxial sind.
  7. Anzeigemechanismus nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass das zweite Einholrad (70) mit einem dritten Einholrad (72) rotierend fest verbunden ist, welches selbst in Eingriff mit einem Einholzeigerstellrad (74) ausgebildet ist, das mit der Einholkurvenscheibe (76) rotierend fest verbunden ist.
  8. Mechanismus nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet,
    dass die Verriegelungsvorrichtung auf Anforderung des Einholzählers ein Paar Zangen (66) aufweist, die ausgebildet sind, um zu schwenken zwischen
    einer verriegelten Position, in welcher die Zangen (66) gleichzeitig auf das erste Einholrad (60) wirken, um es zu verriegeln, und
    einer entriegelten Position, in welcher sich die Zangen (66) von dem ersten Einholrad (60) beabstandet befinden, damit dieses frei drehen kann, und
    dass das erste Einholrad (60) eine Stärke aufweist, die ausreichend ist, um zum einen mit den Zangen (66) und zum anderen mit dem zweiten Einholrad (70) in den jeweiligen übereinanderliegenden Ebenen zusammenzuwirken.
  9. Mechanismus nach einem der Ansprüche 3 bis 8, wobei der Chronographenzähler (8) eine Nullsteller-Herzkurvenscheibe (49) umfasst, die mit dem ersten Chronographenrad (22) rotierend fest verbunden ist, dadurch gekennzeichnet, dass der Einholzähler und die retrograde Antriebsvorrichtung des Einholdrehteils (84) derart ausgebildet sind, dass die Einholkurvenscheibe (76) eine Rotationsfrequenz aufweist, die gleich dem Doppelten der Rotationsfrequenz des ersten Chronographenrads (22) ist, wobei die Chronographenkurvenscheibe (28) eine Rotationsfrequenz aufweist, die gleich der des ersten Chronographenrads (22) ist.
  10. Mechanismus nach Anspruch 9, dadurch gekennzeichnet, dass die Einholkurvenscheibe (76) die Form einer einfachen Staffel aufweist, wogegen die Chronographenkurvenscheibe (28) die Form einer doppelten Staffel aufweist.
  11. Mechanismus nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass er einen Isolator (90) aufweist, der mit einer der Chronographen- und Einholwippen (30, 78) fest verbunden ist und ausgebildet ist, um auf die andere derart zu wirken, dass ihr Fall auf die jeweilige Chronographen- und Einholkurvenscheibe (28, 76) synchronisiert ist.
  12. Mechanismus nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass das zweite Anzeigeorgan (86) ausgebildet ist, um sich gegenüber einem gleichen skalierten Sektor wie das erste Anzeigeorgan (38) zu verlagern.
  13. Mechanismus nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass sich das zweite Anzeigeorgan (86) und das erste Anzeigeorgan (38) gegenüber unterschiedlichen skalierten Sektoren verlagern.
  14. Uhrwerk (1), aufweisend einen Chronographenmechanismus nach einem der vorangehenden Ansprüche.
  15. Uhrwerk (1) nach Anspruch 14, wenn die Chronographen- (36) und Einholdrehteile (84) bestimmt sind, die Anzeige der Sekunden einer gemessenen Zeit beziehungsweise einer gemessenen Zwischenzeit zu erlauben, dadurch gekennzeichnet, dass das Antriebsdrehteil ein Mittelrad (10) aufweist, das in Eingriff mit einem Sekundenrad (14) ausgebildet ist, das in zwei Minuten eine Umdrehung um sich selbst absolviert und ausgebildet ist, um mit dem ersten Chronographenrad (22) auf Anforderung mittels der Kupplungsvorrichtung (12) kinematisch verbunden zu sein.
  16. Uhr mit einem Uhrwerk (1) nach Anspruch 14 oder 15, das ausgebildet ist, um auf Anforderung ein erstes Anzeigeorgan (38) einer gemessenen Zeiteinheit sowie ein zweites Anzeigeorgan (86) dieser selben Einheit einer gemessenen Zwischenzeit anzuzeigen.
EP16177230.6A 2015-07-01 2016-06-30 Retrograder chronographenmechanismus mit einholzeiger Active EP3112956B1 (de)

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CH00950/15A CH711317A2 (fr) 2015-07-01 2015-07-01 Mécanisme de chronographe à rattrapante rétrograde.

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3486735B1 (de) * 2017-11-20 2020-09-30 Montres Breguet S.A. Uhrwerksmechanismus zur nullrückstellung der sekunde mit schneckennocken
EP3540522B1 (de) * 2018-03-13 2020-10-28 Harry Winston SA Retrograder anzeigemechanismus für uhr
EP4307052A1 (de) * 2022-07-14 2024-01-17 Manufacture d'Horlogerie Audemars Piguet SA Chronographenmechanismus für uhrwerk

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR701884A (fr) * 1930-09-11 1931-03-24 Dispositif pour la mesure de différences de temps
CH696713A5 (fr) 1999-01-28 2007-10-15 Patek Philippe Sa Chronographe mécanique.
DE10135110B4 (de) * 2001-07-19 2004-05-27 Lange Uhren Gmbh Chronograph
CH704948B1 (fr) 2004-02-17 2012-11-30 Lvmh Swiss Mft Sa Montre chronographe électromécanique à affichage rétrograde.
CH703008A1 (fr) * 2010-04-23 2011-10-31 Francois-Regis Richard Mecanisme de chronographe, mouvement horloger et piece d'horlogerie comprenant un tel mecanisme.
EP2485102A1 (de) * 2011-02-02 2012-08-08 Patek Philippe SA Genève Anzeigevorrichtung
CH704696B1 (fr) * 2011-03-25 2016-10-31 Chronode Sa Pièce d'horlogerie comportant un mécanisme d'affichage rétrograde.
EP2824517A3 (de) * 2013-07-12 2016-06-01 Rolex Sa Uhrmechanismus, Uhrwerk und Uhr

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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EP3112956A1 (de) 2017-01-04

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