EP2955590A2 - Chronographen mechanismus - Google Patents

Chronographen mechanismus Download PDF

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Publication number
EP2955590A2
EP2955590A2 EP15168012.1A EP15168012A EP2955590A2 EP 2955590 A2 EP2955590 A2 EP 2955590A2 EP 15168012 A EP15168012 A EP 15168012A EP 2955590 A2 EP2955590 A2 EP 2955590A2
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EP
European Patent Office
Prior art keywords
movement
selection
seconds
chronograph
minutes
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.)
Granted
Application number
EP15168012.1A
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English (en)
French (fr)
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EP2955590A3 (de
EP2955590B1 (de
Inventor
Kari Voutilainen
David MEYSTRE
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Individual
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Individual
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Publication of EP2955590A3 publication Critical patent/EP2955590A3/de
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Publication of EP2955590B1 publication Critical patent/EP2955590B1/de
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/046—Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button
    • 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
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/026—Mechanical devices for setting the time indicating means by making use of the winding means for several clockworks or pairs of hands and/or supplementary functions
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to the field of watchmaking. More particularly, it relates to a chronograph mechanism for a timepiece of the type comprising an additional function such as a "flyback" or "flyback” function.
  • Chronograph watches are already known comprising an additional function such as a flyback function, a catch-up function, a countdown timer or the like.
  • Such functions are conventionally controlled by means of a control member, such as a push button, which is added to the conventional controls of the chronograph and the basic movement.
  • a control member such as a push button
  • the split-seconds chronograph watch disclosed in the document CH253051 which has a crown and three push buttons to control all the functions of the watch, that is to say four control members.
  • the object of the invention is therefore to propose a chronograph watch movement integrating an additional function, without requiring an additional control member.
  • the invention relates to a watch movement comprising a chronograph mechanism having start, stop and return to zero functions arranged to be controlled by at least one control member, the mechanism of Chronograph further having an additional function.
  • the additional function can be selected, deselected, and controlled by said controller.
  • the figure 1 schematically illustrates the operating principle of the chronograph mechanism according to the invention, in the form of a flow diagram.
  • the chronograph In the rest position 100, the chronograph is not engaged and remains at rest, the needles remaining stationary, directed towards 12: 00h. Pressing the monopusher triggers the start of the chronograph, which goes into operating mode 102 in the conventional manner. In this mode 102, an additional pressure on the monopusher triggers the stop 104 of the chronograph, and again a pressure on the monopusher resets the hands to zero, thus bringing the chronograph to the rest position 100. This sequence of functions resumes the functionality of a chronograph conventional monopusher.
  • each additional pressure on the monopusher performs a flight return of the hands.
  • the mechanism If the user deselects the flyback mode, the mechanism returns to conventional operating mode 102, and the following pressure on the monopusher stops the chronograph in a conventional manner.
  • FIG. figure 1 The Figures 2a to 7g illustrate a particular embodiment, which makes it possible to perform the operation illustrated in FIG. figure 1 .
  • the figure 2a illustrates the complete mechanism seen from the movement side
  • the figure 2b illustrates in perspective a part of the visible mechanism on the figure 2a
  • the Figures 2c and 2d illustrate, in a similar way, the complete mechanism seen from the dial side.
  • FIG. 2a-d In view of the complexity of Figures 2a-d , several pieces have not been referenced, and these pieces will flow more clearly thereafter.
  • this module is based on the operation of the control of a traditional chronograph, with the exception of the control of hours which differs slightly. However its operation is similar to that illustrated in the book "The Complicated Watches" by Institut Lecoultre, page 411. A difference in the control of this mechanism is that it must be disengaged when selecting the flyback mode.
  • This module is visible in the figure 3a in its rest position, and comprises a minute and second column wheel 3, pivoted on a frame member of the movement 1, arranged to be pivoted by means of a minute and second control hook 8, and which is positioned by means of a jumper 4 in a conventional manner.
  • the minute and seconds control hook 8 is pivoted on a minute and second control latch 7, which is arranged to be pivoted by axial pressure on a winding stem 2, which acts as a control member, so as to conventional, which acts on a thumb pin control minutes and seconds 7a, which is integral in translation with the winding rod 2.
  • the control lever minutes and seconds 7 is in abutment against a toggle stop control minutes and seconds 7b.
  • a selection board 10 is guided by means of two guide pins of the selection board 1b which are in oblong slots 10c formed in the selection board 10, so that the latter can move between two vertical high and low positions (with reference to the orientation of the figures).
  • the selection board 10 also comprises a release pin of the control hook, arranged to move the control hook of the minutes and seconds 8 of the toothing of the column wheel minutes and seconds 3 when the selection board 10 is located in its high position.
  • a selection transmission pin 10a integral with the selection board 10 penetrates through a selection transmission aperture 1a formed in a frame member of the movement 1 to transmit the selection to the dial side.
  • a column wheel hours 5 On the dial side of the movement 1 is a column wheel hours 5, which controls a hammer hours 14, is arranged to be rotated by means of a spout 12 hours control and is positioned by a jumper 6 of conventional way.
  • the hour control spout 12 is at the end of an hour control flip-flop 11 which pivots on the selector transmission pin 10a and which interacts with a winding stem by means of a first latch pin.
  • hour control 11a and a second hour control rocker pin 11 b The hour control lever 11 is further subjected to the action of a control spring hours 13, and in the rest position remains in abutment against a stop control lever hours 11, integral with a frame member .
  • the hour control flip-flop could pivot on an additional selection board provided on the dial side, or on another suitable element.
  • the hour column wheel 5 remains in position thanks to its jumper 6.
  • the control lever 11 remains in abutment against its abutment 11 c thanks to the action of its spring 13.
  • the figure 3b illustrates the arrangement of the components when starting the chronograph mechanism.
  • the winding stem 2 via a flange and the minute and second control rocker pin 7a, actuates the control rocker 7 which pivots on its axis, driving with it the control hook minutes and seconds 8 which will turn the column wheel minutes and seconds 3 of a tooth of the wolf teeth lying all the way around, then said column wheel of minutes and seconds 3 will be positioned again by its jumper 4. Finally, the minute and seconds control rocker 7 and its hook 8 will be returned to the rest position thanks to the spring 9.
  • the hours control rocker 11 pivots on its axis.
  • the hour control spout 12 will this time push a wolf tooth of the hour column wheel 5.
  • Said spout 12 can pivot in only one direction and is reset by its own spring hour control spout 12a, in order to allow a pawl when returning to the rest position under the action of the control spring of the hours 13 and the maintenance of the hour column wheel by its jumper 6.
  • the Flyback ON mode is started by turning the winding stem 2 when the chronograph mechanism is running.
  • the selection board 10 via the release pin of the control hook 10b which is integral therewith, will disengage the control hook 8 so that it causes more the column wheel minutes and hours 3, all along that mode is activated, whether pressing the rod 2 or not.
  • This board carries a selection transmission pin 10a completely traversing the movement through an opening 1a, this being for the purpose of transmitting the information to the dial side.
  • the hour control lever 11 On the dial side, the hour control lever 11 to be in relation with the selector transmission pin 10a, either by pivoting directly on it or by means of an additional module such as the movement side, when passing through flyback mode, said rocker 11 will be translated in order to remove it from the radius of action of the column wheel hours 5 and put it in position so that it can soon operate the hammer hours 14 through its pin 14a.
  • the first hour control rocker pin 11a leaves its position in front of the winding stem 2 and it is the second hour control rocker pin (11b) which then occupies the place within the radius of action of said rod.
  • control lever 11 On the dial side, the control lever 11 will be pushed by the winding stem 2 via the second hour control rocker pin 11b.
  • the hour control spout 12 can then actuate the hour hammer 14 by means of the hour hammer pin 14a and the control lever 11 will return to rest under the effect of the hour control spring 13.
  • the flyback mode is disengaged by turning the winding stem 2 in the opposite direction to the one that engaged it.
  • the clutch of the selection allows the user, when starting his chronograph, to choose between a flyback function, to reset all hands without having to stop the chronograph, or to stay in normal mode.
  • a monopusher chronograph that is to say to do the functions "on, off, return to zero", and this, always in the same order.
  • the winding mechanism meanwhile, is relatively usual, and comprises a sliding pinion 22 which has an inner square which slides on a square machined on the winding stem 2, which has the cause that it can be constantly rotating , in solidarity with the winding stem, especially when selecting the flyback mode.
  • This clutch is necessary to avoid that when selecting the flyback mode, we do not go up the spring of the watch, to the point that we would get to its maximum armature, which would prevent any rotation of the winding stem 2 and therefore any selection.
  • the elements are immobile, with the exception of a selection pinion 15, which is positioned radially and axially relative to the movement 1, and whose rotation is integral with that of the winding stem 2, this thanks to the squares provided on the rod 2 and inside said pinion 15.
  • a selection rake 16 is positioned by means of two selection rake bridges 7 so that the axis of said rake 16 is substantially parallel to the axis of the rod 2, while allowing it to perform a large axial translation for the clutch function.
  • the selection rake 16 is held in a first extreme position out of the gear of the selection gear 15 by means of a spring of declutching 19b.
  • This spring is part of an integral assembly composed of a selection lever 19 and a selector lever 18. Said spout 18 bears on one of the columns of the column wheel minutes and seconds 3, under the action of its spring 20.
  • the winding mechanism of movement 1 keeps a traditional operation.
  • a rocker spring 24 exerts a pressure on the rocker 23 which keeps the sliding pinion 22 against a winding pinion 21.
  • a release lever of the sliding pinion 25 is in a vacuum of the hour column wheel 5 so as not to impede the operation of the winding mechanism or the time setting function 1.
  • the column wheel minutes and seconds 3 will have made a jump corresponding to a tooth. Then the selector lever 18 falls into a vacuum of the column wheel minutes and seconds 3 pivoting on its axis under the effect of its spring 20.
  • the selection lever 19 being integral with it, it will take support on its stop 19c and its clutch spring 19a will apply a voltage on the axis of the selection rake 16, which will cause a translation of said rake 16 to a second extreme position. It will then be engaged with the selection gear 15 which itself does not move axially.
  • the hour column wheel 5 On the dial side, the hour column wheel 5 will have also made a jump of a tooth. Then, the release lever of the sliding pinion 25 will be pushed by a column of said wheel. The pivoting of this lever 25 on its axis will cause to turn the rocker 23 on its pivoting, driving with it the sliding pinion 22 to get it out of the field of action of the Breguet toothing connecting it to the winding pinion 21. , the release lever of the sliding pinion 25 must not move the rocker 23 too far so that the sliding pinion 22 does not engrainer with a possible timer return used for setting the time of movement 1.
  • the winding stem 2 is rotated to be able to select flyback operation. With it is driven the selection pinion 15, which itself then engraine with the selection rake 16 which will perform a limited rotation. Said rake 16 will remain in this position until the flyback mode is deselected.
  • the winding stem 2 is rotated, but in the opposite direction as before to be able to deselect. With it, it again drives the selection pinion 15, which itself then engraine still with the rake selection 16. The elements are then in the same position as just after the start.
  • the hour column wheel 5 On the dial side, the hour column wheel 5, by turning the value of a tooth, allows the release lever 25 to fall into a vacuum. Then the rocker 23 is again free to go to the end of its stroke and to press the sliding pinion 22 against the winding pinion 21.
  • the selection mechanism makes it possible to switch between the normal chronograph mode and its complementary function, in this case the flyback mode.
  • the flyback mode When the user has started his chronograph, he can then, through the crown of his watch, select the flyback mode by turning the crown a quarter of a turn, for example.
  • This mechanism then disengages the control functions to not affect the running of the chronograph and allow the activation of the hammers for a return flight. It also allows to display an indication on the dial so that the user knows at all times in what mode it is. In addition it is expected that for aesthetic reasons, the needle of this indication is aligned with the other needles when the chronograph is stopped and reset, but this feature is not mandatory. In addition, it should be noted that the indication of selection in itself is also not mandatory.
  • the selection board 10 On the movement side, at rest, the selection board 10 is held in its lower position by means of its jumper 28. From its opening 10d, the selection board 10 also holds the selection rake finger 16a in position so that the selection rake 16 is ready for clutch. On the selection board 10 is also a pivot point of a flyback lever 26. The latter is supported on its abutment 26c, which too, is secured to the module 10, under the action of its spring 27 , also secured to the selection board 10. A flyback lever support 26a, which is located at one end of the flyback lever 26, is then not in front of the control lever 7, thus not hindering the control function.
  • the indication needle 33 On the dial side, when the mechanism is at rest, the indication needle 33 is in the neutral position. That is, it is aligned with the other chronograph hands that are at zero.
  • This indication needle 33 is integral with the flyback indication pinion 31, which itself is under tension, due to its return spring 32.
  • the rotation of the flyback indication pinion 31 is limited by the rake of FIG. indication 30. Indeed, the latter, engrainant with the flyback indication pinion 31, bears against one of the columns of the column wheel hours 5, which blocks all rotations.
  • the indication rocker 34 for its part, abuts against the selection transmission 10a of the selection board 10 under the action of its own spring 35.
  • the position of the selection board 10 does not change.
  • the only change is at the select rake finger 16a which can slide freely within the opening 10d of said finger.
  • the hour column wheel 5 On the dial side, due to the control, the hour column wheel 5 will have rotated by one tooth, thus allowing the indication rake 30 to fall into a vacuum, under the action of the spring 32 of the pinion gear. indication 31, and will bear on the flyback indication rake stop 30b. The flyback indication needle 33 will then be indicated indicating that the Flyback mode is not engaged. The rest of the elements of the indication remain motionless.
  • the user On the movement side, thanks to the clutch function, the user will turn the crown of his watch to engage the flyback mode, which has the effect of rotating the selection rake 16 which, through its 16a finger support in the opening of the rake finger 10d, will print a translational movement to the selection board 10 which will then be moved to its upper position (with reference to the orientation of the figures) and maintained by its jumper 28
  • the displacement of the selection board 10 then allows the disengagement of the control function as seen above, but will also cause with it the elements that are integral to it such as the flyback lever 26, its stop 26c and its spring 27. Then the flyback lever stop 26a will be in front of the control lever 7.
  • the selection indication lever 34 On the dial side, with the displacement of the selection board 10 and its selection transmission 10a, the selection indication lever 34 is pivoted about its axis, and via the pin 30a integral with the rake 30, will rotate the latter. It will then drive the indication pinion 31 in order to point the flyback indication needle 33 to the indication signifying the start of the flyback mode.
  • the selection board 10 returns to its lower position (with reference to the orientation of the figures), again under the effect of the finger of the selection rake 16 resting in the opening 10d. He again carries with him all the elements that are solidary, and comes to be held in position by his jumper 28, releasing all the elements he disengaged. The support of the flyback lever 26a is then no longer in front of the control lever 7.
  • the indication rocker 34 On the dial side, the selection board 10 having returned to its initial position, the indication rocker 34 does the same under the action of its spring 35.
  • the flyback indication needle 33 then points again to the indication signifying the deactivation of the flyback mode.
  • the indication does not change. Although the hour column wheel rotates one notch, the indication rake 30 is still not raised by one of the columns. It therefore remains in support of the flyback indication rake stop 30b.
  • the hour column wheel 5 is activated again by its command. In its race, one of its columns will come to lift the spout of the indication rake 30, which will then engrain the indication pinion 31, thus restoring the flyback indication needle 33 in a neutral position. The rest of the elements of the selection do not move.
  • hammers can generally only perform the same functions in the same order, ie "start, stop, return to zero". The usefulness of the following function and still be able to activate said hammers when they are normally raised by the column wheel for the departure of the chronograph and that in a normal chronograph, it is not possible to reduce them to this moment. In addition, all this must be activated by the same command.
  • a minute and seconds hammer probe 38 On the movement side, when the mechanism is at rest, a minute and seconds hammer probe 38 is in a vacuum of the minute and second column wheel 3. On this probe is a hammer feeler pin of minutes and seconds 38a which allows on the one hand the hammer probe spring minutes and seconds 40 to exert pressure to ensure the support of said hammer probe minutes and seconds 38, on the other hand, The latter are pivotally arranged on the same axis as the minute and second hammer probe 38 and carry the hammer rest spring of the minutes and seconds. seconds 39 which is based on the pin of the hammer probe minute and seconds 38a which will then be clamped between the hammers minutes and seconds 29 and the hammer feeler spring minutes and seconds 40.
  • the architecture of the mechanism for the hour hammer 14 is similar to that of the movement side for the minutes and seconds hammers 29.
  • the hour hammer probe 42 is in a vacuum of the This hours hammer probe 42 also has an hour hammer feeler pin 42a on which an hour hammer feeler spring 44 bears to provide support for the hour hammer feeler.
  • the hour hammer 14 also pivots on the same axis as the hour hammer probe 42, and also carries a hammer rest spring of hours 43. The latter presses the hammer feeler pin 42a hours and the compresses against the hammer of 14 hours, allowing a solidarity movement of the two parts.
  • the used function of the chronograph is usual.
  • At the end of the hammer is a spout pressing against the hours meter mobile heart 41a of the mobile hour meter 41, indexing it always in the same position during rest.
  • the minute and second column wheel 3 rotates one notch, so one of its columns raises the hammer probe of minutes and seconds 38.
  • said probe 38 causes in its movement the hammers minutes and seconds 29 and away from the hearts 37a, 36a of the meter wheel of the 37 seconds and minutes counter mobile 36, allowing them to rotate freely.
  • the hour column wheel 5 pivots with a tooth.
  • One of its columns lifts the hours 42 hammer feeler.
  • the feeler drives the hour hammer 14 into its slot. Movement, away from the heart 41 has the hour meter mobile 41, allowing it to rotate on its axis.
  • the flyback lever 26 On the movement side, to reset in flyback mode, the flyback lever 26, which is now in front of the control lever minute and seconds 7, is pushed by said flip-flop 7 as seen previously. It comes in turn to press the hammer pin minutes and seconds (29a). The minute and second hammers 29 will then come to strike the respective hearts 36a, 37a of the minute counter mobile 36 and the seconds counter mobile 37 in order to return them to their initial position as long as the user holds the winding stem 2 depressed. However, the hammer probe minutes and seconds 38 always being supported on the column wheel minutes and seconds 3, it does not rotate. This has the consequence of energizing the hammer rest spring of the minutes and seconds hammers 39 by means of the hammer feeler pin of minutes and seconds 38a of said feeler 38. Once the user releases the rod, under the action of the minute and second hammer spring 39, the minute and second hammers 29 move away again from the hearts 36a, 37a of the minute counter wheels 36 and seconds 37, allowing once again their rotation.
  • the hour control spout 12 pushes the hammer pin hours 14a.
  • the latter then comes to strike the heart 41a of the hours meter mobile 41 to come to position the latter in its initial position, once again as long as the user keeps the pressure on the winding stem 2.
  • the hammer probe hours 42 remains resting on the hour column wheel 5 and, via its pin 42a, puts in tension the spring of the hammer hours 43.
  • the hour hammer 14 moves away from the heart 41a of the hours counter wheel 41, allowing the latter to pivot.
  • the minute and second hammers 29 and the minute and second hammer feeler 38 remain motionless.
  • the flyback lever 26 moves away from the hammer pin minutes and seconds 29a through the selection mechanism.
  • the column wheel minutes and seconds 3 turns a step further.
  • the hammer probe minutes and seconds 38 always remains on one of the columns of said column wheel 3, and so nothing happens at the hammers minutes and seconds 29.
  • the hammer probe minutes and seconds 38 On the movement side, while the column wheel minutes and seconds 3 again turns a step, the hammer probe minutes and seconds 38, under the effect of the hammer feeler spring minutes and minutes 40 seconds, falls into one of the voids of the column wheel of the minutes and seconds 3.
  • the pin of the hammer probe of minutes and seconds 38a pressing against the hammers of minutes and seconds 29, these are driven into the fall. They then come to strike the respective hearts 36a, 37a of the minutes counter 36 and the seconds counter 37. Due to their specific shape, the hearts then come to rest, allowing the indication of the zero on the dial.
  • the hour column wheel 5 pivots one step.
  • the hammer probe hours 42 then also falls into a vacuum of said wheel under the action of its spring 44.
  • the hammer feeler pin hours 42a then presses on the hour hammer 14, allowing it to fall on the heart 41a of the hours meter wheel 41.
  • the geometry of said heart 41a then enables said mobile 41 to return to its initial position, and thus to display the zero on the dial.
  • the mechanism comprises a clutch system consisting of a chronograph driving wheel 45, permanently driven by the base movement.
  • the chronograph driving wheel 45 meshes permanently with a clutch wheel 46, which is rotatably mounted on a clutch rocker 47, which itself is pivoted about the same axis of rotation as the chronograph driving wheel 45.
  • the free end of the clutch rocker 47 comprises a spout which interacts with the columns of the column wheel of minutes and seconds 3 in a conventional manner.
  • the clutch rocker 47 In the rest position, the clutch rocker 47 is raised against a clutch rocker spring 50, which tends to keep the clutch wheel in the engaged position, by a column of the column wheel minutes and seconds 3, so that the clutch wheel 46 does not mesh with the seconds counter mobile 37.
  • the minutes and seconds hammers are kept in contact with the minutes and seconds cores 36a, 37a, as previously described, and a seconds counter mobile brake 49 is kept away from the toothing of the seconds counter mobile 37 by a column of the minute and second column wheel 3.
  • an hour meter mobile brake 51 is kept away from the toothing of the hour meter mobile 41 by means of a column of the hour column wheel 5, against a spring hour meter mobile brake brake 52, which tends to pivot said brake 51 about its axis of rotation so that the brake comes into contact with the toothing of the hour meter mobile 41.
  • the hour column wheel advances by one step of its wolf teeth, but the hours counter mobile brake 51 remains in the same position as before, since it remains supported by a column of said column wheel 5.
  • the "other chrono functions” module is not influenced by the selection of the "Flyback ON” mode, and therefore the layout of the components remains unchanged from that of the "start” mode.
  • the minute and second hammers 29 contact the cores 36a, 37a, as previously described, to reset the indications. In doing so, the stop of the hammers minute and seconds 29d pushes against the pin of the clutch rocker 47a, to disengage the The seconds and seconds indication is thus disengaged and reset.
  • the module "other functions of the chrono” is not influenced by the selection of the mode "Flyback OFF”, and therefore the arrangement of the components is the same as for the "departure” mode.
  • the hour column wheel 5 On the dial side, the hour column wheel 5 is also rotated by one step of its wolf teeth, and the hour meter mobile brake 51 is actuated by means of a column of said column wheel 5 of known way.
  • the figure 8a illustrates a variant of the clutch system selection in the disengaged position
  • the figure 8b illustrates the same variant in the engaged position.
  • the winding stem 2 and the selection pinion 15 are identical to those of the previously described mechanism (see section 2 above).
  • the main difference from the mechanism described above is that the selection rake does not move completely when the chronograph is started, but only its toothed portion 16 '.
  • the latter is freely adjusted on a square on its axis 16'a, and can therefore slide on this axis 16'a to mesh with the selection pinion (see figure 8b ).
  • a finger 16'b is fixedly attached to said axis 16'a, which interacts with a pin 10'a, which is integral with the selection board 10 'and extends in its plane (the selection board 10' is cut off in the views of Figures 8a and 8b ).
  • this pin 10'a is driven into an opening 10'e of the selection board 10 ', and allows the translation of the selection board 10'.
  • the axis 16'a always remains stationary axially.
  • the figure 9 illustrates a variant of the minute and second hammers 29 ', which differs from the hammers of the minutes and seconds 29 described above in that the hammers have been merged with their respective return spring, which allows considerable space saving in the movement. It goes without saying that the same principle applies equally to the hour hammer 14.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP15168012.1A 2014-06-13 2015-05-18 Chronographen mechanismus Active EP2955590B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00903/14A CH709758A2 (fr) 2014-06-13 2014-06-13 Mécanisme de chronographe avec un organe de commande multifonctions, notamment pour un retour-en-vol («flyback»).

Publications (3)

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EP2955590A2 true EP2955590A2 (de) 2015-12-16
EP2955590A3 EP2955590A3 (de) 2016-06-01
EP2955590B1 EP2955590B1 (de) 2018-07-18

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EP15168012.1A Active EP2955590B1 (de) 2014-06-13 2015-05-18 Chronographen mechanismus

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EP (1) EP2955590B1 (de)
CH (1) CH709758A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3913443A1 (de) * 2020-05-22 2021-11-24 Patek Philippe SA Genève Steuervorrichtung für uhrwerkmechanismen
EP4254076A1 (de) 2022-03-30 2023-10-04 Rolex Sa Zählvorrichtung einer uhr

Citations (1)

* Cited by examiner, † Cited by third party
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CH253051A (fr) 1948-06-14 1948-02-15 Dubey Georges Chronographe à rattrapante.

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JP2007509339A (ja) * 2003-10-21 2007-04-12 リシュモン アンテルナシオナル ソシエテ アノニム 腕時計のプッシュ片形竜頭制御装置
CH702841B1 (fr) * 2010-03-16 2014-11-14 Kari Voutilainen Dispositif correcteur multifonction et pièce d'horlogerie comprenant un tel dispositif correcteur.
EP2662736A1 (de) * 2012-05-08 2013-11-13 Manufacture La Joux-Perret SA Steuereinheit
CH708356A1 (fr) * 2013-07-17 2015-01-30 Société Anonyme De La Manufacture D Horlogerie Audemars Piguet & Cie Dispositif de commande pour pièce d'horlogerie.

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Publication number Priority date Publication date Assignee Title
CH253051A (fr) 1948-06-14 1948-02-15 Dubey Georges Chronographe à rattrapante.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3913443A1 (de) * 2020-05-22 2021-11-24 Patek Philippe SA Genève Steuervorrichtung für uhrwerkmechanismen
EP4254076A1 (de) 2022-03-30 2023-10-04 Rolex Sa Zählvorrichtung einer uhr

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EP2955590A3 (de) 2016-06-01
EP2955590B1 (de) 2018-07-18
CH709758A2 (fr) 2015-12-15

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