EP1960847B1 - Uhrwerk eines zeitchronografen - Google Patents

Uhrwerk eines zeitchronografen Download PDF

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Publication number
EP1960847B1
EP1960847B1 EP06819641A EP06819641A EP1960847B1 EP 1960847 B1 EP1960847 B1 EP 1960847B1 EP 06819641 A EP06819641 A EP 06819641A EP 06819641 A EP06819641 A EP 06819641A EP 1960847 B1 EP1960847 B1 EP 1960847B1
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EP
European Patent Office
Prior art keywords
wheel
lever
reset
chronograph
movement according
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
EP06819641A
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English (en)
French (fr)
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EP1960847A2 (de
Inventor
Laurent Perret
Stephen Forsey
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.)
Vaucher Manufacture Fleurier SA
Complitime SA
Original Assignee
Vaucher Manufacture Fleurier SA
Complitime SA
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Application filed by Vaucher Manufacture Fleurier SA, Complitime SA filed Critical Vaucher Manufacture Fleurier SA
Priority to EP06819641A priority Critical patent/EP1960847B1/de
Publication of EP1960847A2 publication Critical patent/EP1960847A2/de
Application granted granted Critical
Publication of EP1960847B1 publication Critical patent/EP1960847B1/de
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Classifications

    • 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
    • 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
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
    • 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
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel

Definitions

  • this chronograph movement also comprises clutch means for connecting or not the seconds mobile to the work train in response to an action on the control lever, and selective blocking means for blocking the seconds counter in response to an action on the control lever.
  • resetting means of the seconds counter are also provided, these resetting means comprising at least one mobile resetting element intended to be displaced by a second control member, at least between a first position , rest, and a second position, active, the movable reset element being configured to act on the seconds counter in the second active position.
  • the mobile resetting element is generally made in the form of a hammer cooperating with a heart-shaped cam integral with the seconds counter.
  • the chronograph movement comprises a control lever moved under the impulse of an external control member and acting on a rotary control element to start or stop the measurement of time.
  • the reset hammer is moved in contact with the corresponding core under the effect of an action exerted on an external push reset.
  • the reset hammer then remains in abutment against the heart, in its rest position, as long as a new start of the chronograph is not controlled, in order to maintain the indicator needle of the measured time in its initial position.
  • the return of the hammer in its raised or armed position, to release the indicator needle is caused by an action on the control lever whose main purpose is to start the measurement of a time.
  • the rotary control element typically has a projecting region brought into contact with a portion of the hammer and causing the rotation of the latter to bring it back to its armed position. .
  • This rotational movement is then performed by overcoming the pressure of a spring disposed in abutment against a portion of the hammer to hold it firmly against the heart when the measurement of a time interval is not in progress.
  • the first start of the time measurement caused by an action on the control lever, requires additional effort to overcome the force of the spring used to retain the lowered hammer, in addition to activating the mechanisms of time measurement. as such.
  • the feeling he feels by pressing the control member is different from that felt during the first start-up.
  • the hammer has not been released to reset the counters, the force of its support spring does not need to be overcome to restart the mechanism of time measurement.
  • the present invention is intended in particular to overcome the disadvantage of the above-mentioned prior art by proposing a chronograph movement whose structure makes it possible to activate the measurement of a time while maintaining the counter of the unit of time measured in its initial position as long as the external resetting element is not released in its rest position.
  • the effective start of the measurement of a time takes place when the user of the watch, in which the chronograph movement according to the present invention is implemented, releases the reset pusher.
  • Such a characteristic provides a gain in the accuracy of the triggering of the measurement by the user since the latter does not have to provide a minimum intensity force necessary to cross a notch, as is the case of known movements of the state of the art.
  • a further object of the present invention is to improve the feeling felt by the user of a chronograph when activating the time measurement.
  • an object of the present invention is to propose a chronograph movement whereby the user does not feel any difference when activating the measurement of a time according to whether the measured unit time counters have been measured. previously reset or not.
  • Such a goal is achieved in particular by the fact that the mobile reset element has a rest position in which it is not disposed in contact with the chronograph counters and is not coupled to the column wheel.
  • the subject of the invention is a chronograph movement as defined in claim 1.
  • the chronograph function watch movement according to the present invention is intended to be arranged in an analog display chronograph watch (not shown) of conventional type.
  • Such a watch includes in particular at least one display unit of a unit of measured time intervals, generally seconds.
  • the watch movement comprises a minute counter for driving a display member of the measured minutes, as known in the state of the art, in addition to a seconds counter for driving the display member seconds measured.
  • the figures 1 and 2 represent, in a simplified manner, constituent elements of the watch movement according to the present invention involved when activating or deactivating the chronograph function or when resetting the seconds and minutes counters. Only the elements of the watch movement essential to understanding the invention have been represented for the sake of clarity.
  • the position of certain components is sometimes defined with reference to a time. This position corresponds to the position of the index displaying the given time on a conventional dial.
  • a reset lever 2 is arranged to be actuated by an external reset control member, shown schematically by an axis line bearing the reference R in the figures. More specifically, the lever 2 has a pivot-type connection with the plate 1 and follows a rotational movement relative to the plate in response to a pressure exerted on the external control member.
  • the pivot-type connection is provided by a pin or tenon 3 which can be driven into a hole (not shown) of the plate of corresponding dimensions.
  • the position of a time-setting member or rod (not shown) has also been shown schematically by an axis line bearing the reference T.
  • the position of an additional control member has been schematized by a line of axis bearing the reference S, the control member being intended to activate or deactivate the chronograph function.
  • the watch movement is mounted in a box to assemble a timepiece, the R axis is positioned at four o'clock while the T axis is positioned at three o'clock and the S axis at two o'clock.
  • a reset hammer 4 is mounted integral with the reset lever 2, by its base 5, so as to be moved in response to an action on the external reset control member.
  • the nature of the displacement of the hammer 4 is not directly related to the present invention and can be of any type suitable for the implementation of the latter.
  • the lever 2 is pivotally arranged with respect to the turntable 1 of the watch movement, as well as the hammer 4 reset.
  • the base 5 of the hammer 4 has a hole 6 inside which is disposed the pin 3, the latter thus constituting an axis of rotation also for the hammer 4.
  • the lever 2 and the hammer 4 can be made integral by any suitable means to ensure the transmission of a rotation of the reset lever 2 to the hammer 4, without departing from the scope of the present invention.
  • the reset lever 2 is provided with a pin 7 driven into a hole (not referenced) formed in the region of the lever 2 located in superposition relative to the base 5 of the hammer.
  • the base 5 also has a hole adapted to accommodate the pin 7 and thus make the hammer 4 secured to the lever 2 reset during rotational movements.
  • the reset lever 2 comprises an additional pin 8, in its part remote from the pin 3, intended to serve as a support for the end of a spring (not shown) exerting on the lever 2 a force, schematized by a arrow referenced by F1 on the figure 2 , tending to maintain it in its rest position, that is to say in the position shown in thick lines on the figure 1 .
  • a notch provided in conventional manner on the spring is provided to allow rapid action of the reset control.
  • the hammer 4 is provided with support surfaces 9 and 10, two in number in the embodiment shown in the figures in a non-functional manner. limiting, intended to be moved in contact with cores 11 and 12 during the reset operation of the chronograph counters.
  • the cores 11 and 12 have been schematically represented to the extent that they are conventional and do not present any particular difficulty for those skilled in the art.
  • Each of the hearts is mounted on a meter mobile (not shown on the figures 1 and 2 for clarity) carrying an indication hand of a time unit timed.
  • a pointer 13 for indicating the timed second and a pointer 14 for indicating the timed minute have been schematized in the figures.
  • Needles 13 and 14 have been represented in their initial positions on the figure 1 , which corresponds to a stop situation after resetting the chronograph function.
  • the hammer 4 is shown in solid lines in its raised position to allow the possible rotation of the cores 11, 12 of the chronograph mobiles with respect to their respective axes of rotation 15 and 16.
  • the hammer is also shown in fine lines with the reference 4A, when it is actuated by the lever 2 to reset the chronograph counters to zero, the cores 11 and 12 being then oriented in accordance with FIG. figure 1 .
  • timed second mobile is commonly placed in the center of the watch movement, the indication of the second being timed by a large second hand centered on the chronograph dial.
  • the axis of rotation 15 coincides with that of the movement.
  • the control device of the clockwork comprises in particular a control lever 17 extending substantially between the two o'clock and six o'clock positions, along the periphery of the plate 1.
  • the general embodiment of the control lever 17 is conventional.
  • a first end 18 of the control lever arranged at two o'clock, is located opposite the external control member when the movement is housed in a timepiece case.
  • the second end 19 of the control lever carries a control hook 20 of a type known in the state of the art.
  • the control device comprises a plate 21 made integral with the control lever 17 by means of a plurality of screws 22.
  • the plate 21 has a shape such that it is superimposed on a part the control lever, substantially from the position three hours to the second end 19.
  • one or more voids are formed between the control lever 17 and the plate 21.
  • a void space is provided in the region of the base 5 of the hammer 4 reset, the latter being interposed between the control lever 17 and the plate 21.
  • Such a structural feature ensures a good wedging of the base 5 of the hammer between the two portions of planes defined by the elements of the control. It can be provided that the distal portion of the hammer, namely that bearing the bearing surfaces 9 and 10, rests on suitable support surfaces of the chronograph bridge.
  • control lever 17 advantageously has a pivot point located in alignment with the respective pivot points of the lever 2 and the hammer 4 reset.
  • the pin 3 extends to the inside of a suitable hole (not visible) of the control lever 17 and, preferably, to the inside of a similar hole 23 of the plate 21.
  • control lever 17 has a clearance 24, shown in dashed lines on the figure 1 , to allow the displacement of the pin 7 connecting the hammer to the reset lever during actuation thereof.
  • the column wheel 25 comprises a ratchet 26, on which the control hook 20 acts, and columns 27 secured to the ratchet 26 and whose number is preferably equal to half the number of teeth of the ratchet.
  • the column wheel 25 rotates by half a step, in the opposite direction of the clockwise direction, in response to each pressure exerted on the control lever 17, a step corresponding to the angle separating a column. of the next column.
  • a jumper (not shown) for a column wheel is conventionally arranged to lock the ratchet teeth in each of its positions, two adjacent positions being separated by one half an angular step.
  • the columns 27 interact with a plurality of elements constituting the movement according to the present invention which will be described in detail below, according to the angular state of the column wheel 25 with respect to the plate 1.
  • the hammer 4 has no direct mechanical connection with the column wheel 25. As mentioned above, such a characteristic results in a suppression of the differences of sensations felt between a first departure of the chronograph function and a start following a first measurement interval without intermediate reset.
  • timepiece movement according to the present invention is not limited to the implementation of a column wheel as a rotary control element, a conventional cam can be used alternately.
  • the figure 2 highlights the main role of the column wheel 25 in the chronograph movement.
  • the movement comprises an axial type clutch having a structure already known from the state of the art.
  • the axial clutch comprises a pair of clutch clamps 28 and 29 arranged to act simultaneously on the seconds counter as will be apparent from the detailed description of the figure 3 .
  • Each of the clamps 28, 29 is rotatably mounted on a tenon 30, 31 integral with the plate 1, and comprises a first end 32, 33, near the corresponding pin, disposed in abutment against the first end of the other clamp.
  • Each of the clamps 28, 29 includes a second end bearing an inclined bearing surface 34, 35 for driving the clutch or clutch of the seconds counter.
  • a clamp spring (not shown) is disposed in abutment against the first end 33 of the clamp 29 to exert on it a force, schematized by the arrow referenced F2 on the figure 2 , tending to push it towards the first end 32 of the other clamp 28.
  • the force F2 tends to move the clamps 28, 29 away from each other on the side of their respective second ends 34 and 35 for release the seconds counter, whose position on the figure 2 is schematized by the representation of its axis 15.
  • the clamp 28 comprises a portion 36 extending in a pointed lateral projection towards the column wheel 25.
  • the clamps 28, 29 are shown in their close position in normal lines on the figure 2 and, in their position separated in fine lines.
  • a further rocker 37 rotatably mounted on a pin 38 secured to the plate 1.
  • a first end 39 of the rocker 37 is disposed in abutment against the clamp 28 while the second end 40 of the rocker is located near the free end of the reset lever 2.
  • the rocker 37 also has two extreme positions, one of which, corresponding to the close position of the clamp 28, is represented in normal lines, while the other, corresponding to the position separated from the clamp 28, is represented in fine lines on the figure 2 .
  • a spring not shown is arranged in the movement according to the present invention to exert a pressing force F3 on the rocker 37 tending to maintain contact between its first end 39 and the clamp 28.
  • the second end 40 of the flip-flop 37 is arranged opposite the free end of the reset lever 2 only when the gripper 28 is in its spaced apart position. In this position of the latch 37, it is apparent from the figure 2 that the reset lever 2 is not operable and, therefore, the activation of the mechanism for resetting the movement is not possible in this position.
  • the figure 3 represents a partial cross-sectional view along the line III-III of the figure 2 from the center of the chronograph movement according to the present invention.
  • the seconds counter is disposed in the chronograph movement between the plate 1 and a chronograph bridge 50.
  • the chronograph seconds mobile is positioned in the movement by its shaft 51, maintained coaxial with the axis of rotation 15 defines above by two stones 52 and 53, one of which is driven into the platen and the other into the chronograph bridge.
  • the figure 3 shows a first end 54, housed in the stone 53, followed by a first cylindrical portion 55 of the shaft 51, the latter ending in a first shoulder 56.
  • the latter is followed by a second cylindrical portion 57 of greater diameter to that of the first cylindrical portion 55 and, ending with a second shoulder 58.
  • a third cylindrical portion 59 follows the shoulder 58, the latter being of a diameter and a length less than those of the first two cylindrical portions 55 and 57.
  • the third cylindrical portion 59 terminates with a bearing 60, in the general form of a disc integral with the shaft 51. Continuing after the bearing 60, the diameter of the shaft 51 narrows, before to form a pivot engaged in the stone 52, to extend to its second free end (not shown) for carrying a second indication needle timed, above a dial.
  • a plurality of elements are arranged on the shaft 51 before being placed between the plate 1 and the chronograph bridge 50.
  • the wheel 61 is disposed in permanent engagement with an element 62 of the movement finishing train, the latter being only partially diagrammed on the figure 3 .
  • the element 62 of the work train can, according to various known variants, correspond to different parts of the movement without departing from the scope of the present invention such as, for example, a chronograph driving wheel, secured to a second wheel of the wheel of finishing, or directly an exhaust pinion.
  • a chronograph driving wheel secured to a second wheel of the wheel of finishing, or directly an exhaust pinion.
  • a gun 64 is driven on the shaft 51, being disposed in abutment against the second shoulder 58, in particular to allow a wedging of the wheel 61 in the longitudinal direction of the shaft 51, with a small clearance.
  • the barrel 64 also carries a spring 65 having a circular central opening, through which it is driven into a recess 66 adapted from the end of the barrel opposite to the location of the wheel 61.
  • the barrel 64 and the spring 65 are integral. one of the other.
  • the spring 65 has a plurality of radial arms 67 and curved in the direction of the plate 1, under the effect of prestressing.
  • a ring 68 is freely engaged around the barrel 64.
  • the ring 68 comprises a first tube-shaped portion 69, one end of which is extended by a second portion, made in the form an annular surface 70 extending in a plane substantially parallel to the plane of the wheel 61.
  • the diameter of the annular surface 70 is substantially equal to the length of the arms 67 of the spring 65.
  • the annular surface 70 has an annular hump 71 in the region of its periphery, against which the arms 67 are prestressed in support.
  • the second end of the tube 69 located on the side of the wheel 61, has an annular bearing surface 72 and disposed substantially opposite the annular bead 63 of the bearing surface 60.
  • clamps 28 and 29 have been represented on the figure 3 and, in particular, the bearing surfaces 34 and 35 inclined are visible on either side of the ring 68.
  • the clamps 28, 29 have been shown in their close position, in solid lines, and in their spaced position, in broken lines, the latter position corresponding to the rest position of the ring 68, as explained above.
  • the reset heart 11 of the seconds counter is driven on the first cylindrical portion 55 so as to abut against the first shoulder 56 of the shaft 51.
  • a counterweight 74 of conventional type and to balance the contribution of the heart 11 reset to the moment inertia of the mobile relative to the shaft 51 is driven on the first cylindrical portion 55 to abut against the heart.
  • the resetting core 11 carries a finger or index 75 intended to drive an inter-counter wheel 76 in known manner, the latter being represented only partially in a schematic manner and being intended, itself, to drive the mobile of minutes counter whose heart 12 is visible on the figure 1 .
  • the support surface 9 of the hammer 4 reset, when it is in its raised position or rest.
  • the lever 2 and the hammer 4 reset are in their rest position, that is to say raised, while the lateral projection 36 of the clamp 28 is disposed in abutment against a column 27 of the wheel As a result, the clamps 28, 29 are in their close position, the ring 68 being spaced from the wheel 61.
  • the shaft 51 of the seconds counter is not driven by the element 62 of the work train, in this situation, due to insufficient frictional forces between the wheel 61 and the bearing 60 under the action of the clamps 28, 29 on the spring 65, via the ring 68.
  • the indicating needles of the second 13 and the minute 14 are located, immobile, opposite positions corresponding to a time interval measured zero.
  • the measurement of a time interval can be triggered conventionally, that is to say by an action on the external control member (S) acting on the control lever 17.
  • Such an action has the effect of rotating the column wheel 25 by half a step and spreading the clamps 28 and 29 from each other.
  • the spacing of the clamps causes the release of the ring 68 which, under the pressure of the spring 65, is pressed against the wheel 61.
  • the latter driven permanently by the element 62 of the work train, then transmits its movement, by significant friction on the bearing 60, the shaft 51 which starts moving.
  • the finger 75 acts on the inter-counter wheel 76 to retransmit the rotational movement of the seconds counter to the minute counter.
  • the measurement of a time interval can be initiated by an action on the lever 2 of reset, prior to an action on the external control member (S) acting on the lever 17 of ordered.
  • the reset hammer 4 is disposed in abutment against the reset cores 11 and 12, preventing any rotation of the seconds and minutes counters.
  • the prior action on the reset lever 2 has the effect of locking the latch 37 in its position shown in solid lines on the figure 2 .
  • the lateral projection 36 of the clamp 28 is no longer held by a column 27, but the clamp 28 is nevertheless immobilized by the first end 39 of the rocker 37.
  • the clamp 28 acts on the clamp 29 by its end 32, so that the two clamps remain in their close position, in which the drive of the seconds counters and the minutes is neutralized by sliding of the wheel 61 relative to the shaft 51.
  • the latch 37 is again free to rotate around its pin 38 to be in the configuration shown in FIG. fine lines on the figure 2 .
  • the clamps 28 and 29 move away from each other, under the effect of the pressure F2 of the clutch spring on the clamp 29 acting itself on the end 32 of the clamp 28 so as to exclude the latter.
  • the release of the reset lever 2 causes the clutch of the shaft 51 with the wheel 61 driven by the finishing train through the ring 68, as described above.
  • the flip-flop 37 When the measurement of a time interval is in progress, the flip-flop 37 is in its position represented in fine lines on the figure 2 , and provides a locking function of the reset lever 2 by its second end 40.
  • the chronograph movement according to the present invention offers the possibility to its user to initiate the measurement of a time interval following two different sequences of manipulation of the organs of external control according to his preferences, either by a simple pressure on the control member in S, or by a pressure maintained on the reset member in R, followed by a pressure on the control member S then a release of the resetting element.
  • a new action on the control lever 17, from the measurement situation above, causes the rotation of a half-step of the column wheel 25, a column 27 of which exerts pressure on the lateral projection 36 of the clamp 28 tends to push the latter to its close position.
  • the gripper 29 is also pushed towards its close position under the effect of the pressure applied to the lateral projection 36, opposite to the pressure F 2 of the clutch spring, transmitted by the gripper 28 via its end 32.
  • the approximation of the clamps 28, 29 causes the disengagement of the shaft 51 relative to the wheel 61 and ensures the immobilization of the needles 13 and 14 for indicating the measurements of time intervals.
  • the clamp 28 By moving towards its close position, the clamp 28 releases the latch 37 which resumes its rest position, under the effect of the pressing force F3, as represented in solid lines on the figure 2 .
  • the result of the measurement of the time interval can be read on the display means of the timepiece incorporating the movement according to the present invention.
  • the next step may be either to continue the time measurement or to reset the seconds and minutes counters to zero.
  • the movement configurations according to the present invention are the same, whether the counters are in their zero position or they are in an intermediate position following a first measurement.
  • an action on the control lever 17 under these conditions acts on the same constitutive elements of the movement and in the same way, in one case or the other. Therefore, the user operating the control member of a timepiece incorporating the movement according to the present invention, to activate the measurement of a time interval, does not feel any difference depending on whether the chronograph counters are to zero or not.
  • Such a characteristic is advantageous from the point of view of the comfort provided to the user, insofar as the difference in the force to be exerted on a control member of a movement of the prior art is perceptible, depending on whether the measurement of a time interval is activated from the zero state of the chronograph counters or from a non-zero state.
  • the complement of force to be provided corresponds to the lifting of the reset hammer or hammers whose rest position is generally the lowered position in the movements of the prior art.
  • a reset of the seconds and minutes counters can be performed by an action on the reset lever 2.
  • Such action causes the displacement of the reset hammer 4 which strikes the hearts 11 and 12 of the chronograph counters to replace the needles in their rest position, in a conventional manner.
  • the clamps 28 and 29 are in their close position and ensure the immobilization of the chronograph mobiles.
  • the shaft 51 is rotated due to the rotation of the core 11, this being achieved by a sliding of the arms 67 of the spring 65 on the annular boss 71 of the ring 68, under the effect of the torque transmitted by the hammer 4 to the shaft 51.
  • the skilled person can implement a jumper to ensure the immobilization of the minutes counter, in a conventional manner, when the measurement of a time interval is not activated.
  • the jumper can thus be lifted by known means to release the minute counter during resetting operations.

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

Claims (10)

  1. Uhrwerk mit Chronographenfunktion zur Durchführung einer Messung eines Zeitintervalls, das aufweist:
    ein Räderwerk,
    mindestens einen Sekundenzähler, der ein Chronographen-Sekundendrehteil (51) umfasst, das dazu bestimmt ist, ein analoges Anzeigeorgan (13) der Sekunde der gemessenen Zeiten zu tragen,
    einen Steuerhebel (17), der dazu bestimmt ist, durch ein erstes Steuerorgan (S) betätigt zu sein, um abwechselnd die Messung eines Zeitintervalls zu aktivieren oder deaktivieren,
    Kupplungsmittel (28, 29, 65, 68), um das Sekundendrehteil mit dem Räderwerk in Beantwortung einer Betätigung des Steuerhebels zu verbinden oder nicht,
    selektive Blockiermittel (28, 29, 65, 68), um den Sekundenzähler in Beantwortung einer Betätigung des Steuerhebels (17) zu blockieren,
    Nullstellermittel (2, 4) des Sekundenzählers, die mindestens ein mobiles Nullstellerelement (4) umfassen, das dazu bestimmt ist, von einem zweiten Steuerorgan (R) mindestens zwischen einer ersten Ruhestellung und einer zweiten aktiven Stellung verschoben zu werden, wobei das mobile Nullstellermittel konfiguriert ist, um auf den Sekundenzähler in der zweiten Stellung einzuwirken,
    elastische Mittel, die zumindest indirekt eine Rückholkraft (F1) auf die Nullstellermittel ausüben, wobei die Verschiebungen des mobilen Nullstellermittels (4) ausschließlich von dem zweiten Steuerorgan (R) aus der Ruhestellung in die aktive Stellung und von den elastischen Mittel aus der aktiven Stellung in die Ruhestellung befohlen werden, und
    dadurch gekennzeichnet, dass der Steuerhebel (17) ausgebildet ist, um betätigt zu werden, während das mobile Nullstellerelement (4) in der aktiven Stellung ist, so dass der Antrieb des Sekundenzähler in der Tat nur in Beantwortung einer Freigabe des mobilen Nullstellerelements aus der aktiven Stellung startet.
  2. Uhrwerk nach Anspruch 1, dadurch gekennzeichnet, dass es ferner ein drehendes Steuerelement (25) aufweist, das imstande ist, mindestens einen unterschiedlichen ersten und zweiten Zustand aufzuweisen, wobei der Übergang von einem Zustand in den anderen in Beantwortung einer Betätigung des Steuerhebels (17) erfolgt, wobei das drehende Steuerelement zumindest indirekt verbunden ist:
    mit den Kupplungsmitteln (28, 29, 65, 68) derart, dass diese im ersten Zustand gekuppelt und im zweiten Zustand entkuppelt sind, und
    mit den Blockiermittel (28, 29, 65, 68) derart, dass diese im ersten Zustand inaktiv und im zweiten Zustand aktiv sind.
  3. Uhrwerk nach Anspruch 2, dadurch gekennzeichnet, dass das drehende Steuerelement ein Säulenrad (25) ist.
  4. Uhrwerk nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Kupplungsmittel (28, 29, 65, 68) ebenfalls die Funktion der Blockiermittel erfüllen.
  5. Uhrwerk nach Anspruch 4, dadurch gekennzeichnet, dass die Kupplungsmittel (28, 29, 65, 68) eine axiale Kupplung umfassen, die auf dem Sekundenzähler ausgebildet ist und von einem Zangenpaar (28, 29) betätigt wird, dessen Spreizung vom Zustand des drehenden Steuerelements (25) abhängt.
  6. Uhrwerk nach Anspruch 5, dadurch gekennzeichnet, dass das Sekundendrehteil eine Auflagefläche (60) aufweist, gegen die ein Sekundenrad (61) in ständiger Ineingriffnahme mit einem Element (62) des Räderwerks angeordnet ist, wobei das Sekundenrad (61) imstande ist, im Verhältnis zum Sekundendrehteil (51) frei zu drehen, wobei ein Ring (68) koaxial auf dem Sekundendrehteil montiert ist, wobei eine mit dem Sekundendrehteil verbundene Feder (65) in Abstützung auf dem Ring angeordnet ist, um auf diesen in Abhängigkeit von der Spreizung der Zangen (28, 29) eine Druckkraft auszuüben, um den Ring (68) gegen das Sekundenrad (61) zu drücken, wobei das Sekundenrad selbst einen Druck auf die Auflagefläche (60) ausübt, um den Antrieb durch Reibung des Sekundendrehteils (51) ausgehend vom Sekundenrad zu erlauben.
  7. Uhrwerk nach Anspruch 2, dadurch gekennzeichnet, dass es ferner eine Verriegelungswippe (37) aufweist, die derart angeordnet ist, dass das mobile Nullstellerelement (4) in der ersten Ruhestellung blockiert wird, wenn das drehende Steuerelement (25) im ersten Zustand ist.
  8. Uhrwerk nach Anspruch 7, dadurch gekennzeichnet, dass die Verriegelungswippe (37) ein erstes Ende (39) aufweist, das im Kontakt mit einer der Zangen (28) der Kupplung angeordnet ist.
  9. Uhrwerk nach Anspruch 8, dadurch gekennzeichnet, dass die Verriegelungswippe (37) ein zweites Ende aufweist, das in der Region der Nullstellermittel (2, 4) angeordnet ist.
  10. Uhr mit Chronographenfunktion, die ein Uhrwerk nach einem der vorangehenden Ansprüche aufweist.
EP06819641A 2005-11-24 2006-11-21 Uhrwerk eines zeitchronografen Active EP1960847B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06819641A EP1960847B1 (de) 2005-11-24 2006-11-21 Uhrwerk eines zeitchronografen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05111268A EP1791043A1 (de) 2005-11-24 2005-11-24 Chronographenwerk für Uhr
PCT/EP2006/068693 WO2007060151A2 (fr) 2005-11-24 2006-11-21 Mouvement de chronographe pour piece d'horlogerie
EP06819641A EP1960847B1 (de) 2005-11-24 2006-11-21 Uhrwerk eines zeitchronografen

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EP1960847A2 EP1960847A2 (de) 2008-08-27
EP1960847B1 true EP1960847B1 (de) 2012-03-28

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EP05111268A Withdrawn EP1791043A1 (de) 2005-11-24 2005-11-24 Chronographenwerk für Uhr
EP06819641A Active EP1960847B1 (de) 2005-11-24 2006-11-21 Uhrwerk eines zeitchronografen

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EP05111268A Withdrawn EP1791043A1 (de) 2005-11-24 2005-11-24 Chronographenwerk für Uhr

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US (1) US7597471B2 (de)
EP (2) EP1791043A1 (de)
JP (1) JP5138602B2 (de)
KR (1) KR20080072713A (de)
CN (1) CN101313259B (de)
AT (1) ATE551638T1 (de)
HK (1) HK1122618A1 (de)
RU (1) RU2400792C2 (de)
WO (1) WO2007060151A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2015145B1 (de) 2007-06-11 2013-05-01 Chopard Manufacture SA Vertikale Kupplungsvorrichtung für Uhr
EP2085832B1 (de) 2008-02-04 2013-04-10 Blancpain SA. Chronographenvorrichtung mit Reibungskupplung
EP2228692A1 (de) * 2009-03-12 2010-09-15 ETA SA Manufacture Horlogère Suisse Schaltrad für Chronograph, Chronograph und Taschenchronograph, der ein solches Rad umfasst
JP2011022042A (ja) * 2009-07-16 2011-02-03 Seiko Instruments Inc クロノグラフ時計
EP2309342A1 (de) * 2009-10-07 2011-04-13 Nivarox-FAR S.A. Freilauf-Triebfeder aus mikro-bearbeitbarem Material und ihr Herstellungsverfahren
JP5536623B2 (ja) * 2010-02-03 2014-07-02 セイコーインスツル株式会社 クロノグラフ時計
EP2410388B1 (de) * 2010-07-21 2018-04-18 Blancpain S.A. Uhr mit Doppelanzeige
EP2602675B1 (de) 2011-12-08 2014-08-27 ETA SA Manufacture Horlogère Suisse Uhrwerk umfassend einen Chronographenmechanismus mit Säulenrad
DE102013103180B4 (de) * 2013-03-28 2014-11-13 Uwe Heinz Chronograph
DE102015122629B3 (de) * 2015-12-22 2017-03-16 Lange Uhren Gmbh Einstellvorrichtung einer Uhr
EP3185081B1 (de) * 2015-12-23 2019-10-23 Rolex Sa Uhrmodul
EP3324249A1 (de) * 2016-11-17 2018-05-23 Nogerah SA Kupplungssystem für chronograph
CN106896693A (zh) * 2016-12-16 2017-06-27 惠贯有限公司 一种手表用垂直离合结构
WO2021219646A1 (fr) * 2020-04-29 2021-11-04 Patek Philippe Sa Genève Mouvement horloger comprenant un mécanisme de chronographe compte à rebours et un mécanisme de sonnerie
CH717702B1 (fr) * 2020-07-30 2023-12-15 Montres Breguet Sa Ensemble sympathique d'horlogerie.
CH717701B1 (fr) * 2020-07-30 2023-12-15 Montres Breguet Sa Ensemble sympathique d'horlogerie.
EP4202577A1 (de) * 2021-12-21 2023-06-28 Manufacture d'Horlogerie Audemars Piguet SA Wippevorrichtung eines uhrwerks

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
CH527462A (fr) * 1967-09-22 1972-03-15 Depraz & Cie Montre-chronographe
CH563037B5 (fr) * 1973-01-04 1975-06-13 Aquastar Sa Compteur de temps
CH682034B5 (fr) * 1991-10-14 1994-01-14 Eta S.A. Fabriques D'ebauches Pièce d'horlogerie comportant un module de chronographe adapté sur un module moteur.
CH690524A5 (fr) * 1995-10-31 2000-09-29 Rolex Montres Pièce d'horlogerie à mécanisme de chronographe.
JP3265232B2 (ja) * 1997-07-07 2002-03-11 セイコーインスツルメンツ株式会社 クロノグラフ時計
JPH11183652A (ja) * 1997-12-22 1999-07-09 Seiko Instruments Inc クロノグラフ時計
JP3568763B2 (ja) * 1997-12-22 2004-09-22 セイコーインスツルメンツ株式会社 発停レバー及びクロノグラフ受を備えたクロノグラフ時計
AU2820900A (en) * 1999-09-15 2001-04-17 Eberhard Et Co. Sa. Watch movement with hand display
EP1296205A1 (de) * 2001-09-24 2003-03-26 Girard-Perregaux S.A. Chronographmechanismus
JP4296019B2 (ja) * 2003-03-27 2009-07-15 セイコーインスツル株式会社 帰零構造を有するクロノグラフ時計

Also Published As

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RU2400792C2 (ru) 2010-09-27
ATE551638T1 (de) 2012-04-15
JP2009517644A (ja) 2009-04-30
WO2007060151A3 (fr) 2007-08-30
CN101313259B (zh) 2011-05-11
US7597471B2 (en) 2009-10-06
WO2007060151A2 (fr) 2007-05-31
JP5138602B2 (ja) 2013-02-06
US20080310257A1 (en) 2008-12-18
KR20080072713A (ko) 2008-08-06
HK1122618A1 (en) 2009-05-22
CN101313259A (zh) 2008-11-26
EP1791043A1 (de) 2007-05-30
EP1960847A2 (de) 2008-08-27
RU2008125429A (ru) 2009-12-27

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