EP2339412B1 - Schlagwerkmechanismus einer Armbanduhr - Google Patents

Schlagwerkmechanismus einer Armbanduhr Download PDF

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Publication number
EP2339412B1
EP2339412B1 EP10192444.7A EP10192444A EP2339412B1 EP 2339412 B1 EP2339412 B1 EP 2339412B1 EP 10192444 A EP10192444 A EP 10192444A EP 2339412 B1 EP2339412 B1 EP 2339412B1
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EP
European Patent Office
Prior art keywords
hammer
spring
contact
gong
counterspring
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
EP10192444.7A
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English (en)
French (fr)
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EP2339412A2 (de
EP2339412A3 (de
Inventor
Sylvain Maréchal
Jean-François Pesenti
Jérôme Favre
Nakis Karapatis
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.)
Montres Breguet SA
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Montres Breguet SA
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Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Publication of EP2339412A2 publication Critical patent/EP2339412A2/de
Publication of EP2339412A3 publication Critical patent/EP2339412A3/de
Application granted granted Critical
Publication of EP2339412B1 publication Critical patent/EP2339412B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/06—Details of striking mechanisms, e.g. hammer, fan governor
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12—Reiterating watches or clocks
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/026—Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/12—Alarm watches to be worn in pockets or on the wrist

Definitions

  • the invention relates to a striking mechanism of a watch.
  • the mechanism comprises at least one hammer arranged to strike at least one stamp attached to a stamp holder at specific times. Said hammer is kept away from the stamp by a damping counter-spring in a rest mode.
  • a hammer driving spring of the mechanism may be configured as a resilient beam or blade. This drive spring can be armed to drive said hammer against the stamp to acoustically signal for example a programmed period of time.
  • a striking mechanism can be combined with a traditional watch movement to serve in particular for minute repetitions or to signal a programmed alarm time.
  • a striking mechanism generally comprises at least one stamp made of metal material, such as steel, bronze, precious metal, metal glass, sapphire or quartz.
  • This stamp can describe for example at least a portion of a circle around the watch movement in the watch cage.
  • the stamp is fixed by at least one of its ends to a stamp holder, which is itself secured to a watch plate.
  • a hammer mechanism is rotatably mounted on the plate for example near the stamp holder so as to hit the stamp to make it vibrate.
  • the sound produced by the hammer-struck tone is particularly in the audible frequency range from 1 kHz to 20 kHz. This makes it possible to signal to the wearer of the watch, a definite time, a programmed alarm or a minute repetition.
  • the striking mechanism of a watch may include two fixed stamps by one of their extremities to the same stamp-holder, which is itself secured to a plate. Each stamp may be struck by a respective hammer. To do this, each hammer is driven by a proper drive spring, which had to be previously armed, so as to drive the hammer against the stamp to signal a minute repeater or an alarm time.
  • Two damping counter-springs are each provided for pushing and holding the two hammers away from the stamps in a rest mode. The shock-absorbing counter-springs also slow the fall of each hammer before striking against the respective stamp before pushing it back to the rest position.
  • Eccentrics are also provided for adjusting the operation of the counter-springs to prevent rebound of each hammer against the respective stamp.
  • a disadvantage of such a structure of the striking mechanism with these counter-springs is that there is a significant loss of kinetic energy of the hammer during the striking of the respective stamp, which reduces the acoustic level of the ring. Moreover, even if the pre-arming of the drive springs is increased, this implies an adaptation of the counter-springs via their eccentric to avoid any rebound, which is another disadvantage of such a striking mechanism.
  • the invention therefore aims to overcome the disadvantages of the state of the art mentioned above by providing a striking mechanism of a watch, which comprises means for increasing the acoustic level of the sound produced by at least one stamp struck by the minus a hammer avoiding any rebound and any loss of energy from the hammer when striking.
  • the invention relates to a striking mechanism of a watch, which comprises the features defined in the independent claim 1.
  • An advantage of the striking mechanism according to the present invention lies in the fact that at least one stop is provided on the path of the hammer drive spring when the hammer is struck against the stamp. This allows the moment of contact of an intermediate portion of the hammer drive spring against the stop to generate a catapult effect of the hammer against the stamp.
  • the drive spring may take the form of a resilient metal beam or blade attached to the watch plate and having a free end to push a pin or pin of the rotary hammer when the hammer is struck against the stamp. .
  • the speed of rotation of the end of the spring which comes into contact with the hammer rod in order to drive it against the bell, thus becomes greater after the contact with the stop, at the speed of rotation of the end of the front spring. its contact with the stop, which generates the catapult effect. There is therefore less energy loss of the hammer before striking against the stamp while ensuring an increase in the acoustic level produced by the struck stamp.
  • Another advantage of the striking mechanism lies in the fact that it can be operated a greater pre-training of the driving spring of the hammer. This can be done without adapting the damper counter-spring through the stop on the path of the hammer drive spring when the hammer is struck against the stamp.
  • the abutment can be connected to the damper counter-spring to activate the counter-spring with a certain delay with respect to the braking of the drive spring in contact with the abutment. This also promotes removal of the hammer after the knock against the stamp to avoid rebound.
  • This striking mechanism 1 comprises at least one stamp 21, which is fixed at one of its ends to a stamp holder 22 integral with the not shown watch plate.
  • the other end of the stamp 21, not shown on these figures 1 and 2 is usually free of movement.
  • the stamp 21 can be made in the form of at least a portion of a circle or rectangle.
  • the stamp may be for example a wire of circular or rectangular cross section, which is usually steel or precious metal or metal glass or other material. Traditionally, this portion of a circle or rectangle surrounds part of the unrepresented watch movement.
  • the striking mechanism 1 comprises at least one hammer 2 rotatably mounted about an axis 7 on the plate, in particular near the stamp holder 22.
  • the striking mechanism 1 further comprises a damping counter-spring 5 for holding the hammer 2 remote from the stamp 21 in a rest mode, and a drive spring 3 of the hammer.
  • This drive spring 3 can be cocked to drive the hammer 2 in a bell mode against the bell to produce an acoustic sound.
  • this drive spring 3 is pre-armed in an initial position, in particular by means of a lift 11, which is rotatably mounted on the axis of rotation 7 of the hammer 2.
  • this lift 11 also drives in the direction f rod 6 of the hammer 2, which pushes the free end 3a of the drive spring 3 to its prearranged position at the beginning of the ringing mode.
  • the drive spring 3 is shown in action in contact with the rod 6 of the hammer 2 striking the stamp 21.
  • the drive spring 3 of the hammer is generally in the form of a blade or metal beam, which is fixed at one end 3b for example by means of a screw 13 on the watch plate.
  • the other free end 3a of the drive spring 3 can therefore come into contact with the rod 6 of the hammer 2 in particular in the ring mode to drive it towards the stamp 21 to hit.
  • the hammer 2 which has an impact portion 2a in the form of an edge, can to be activated by this training spring 3 initially pre-armed to hit the stamp 21 to signal for example the hours, minutes or a scheduled alarm time.
  • the striking mechanism 1 also comprises a stop 10 on the path of the driving spring 3 of the hammer 2.
  • This stop 10 is represented symbolically on these figures 1 and 2 only by a stem shape shown in hatched section, which is held in a fixed position perpendicularly above the plate. It constitutes a point of contact of an intermediate portion of the driving spring 3 during its displacement to drive the hammer 2 against the stamp 21 via its rod 6 in a striking mode as shown in FIG. figure 2 .
  • the intermediate portion of the pre-armored drive spring 3 can be provided to come into contact with the abutment 10 preferably before the hammer shaft 6 driven by the free end 3a of the spring comes into contact with the damping counter-spring 5 to generate correctly a catapult effect of the hammer against the stamp.
  • the drive spring 3 is pre-armed at the beginning of the ringing mode as shown in part at figure 1 .
  • the impact portion 2a of the hammer 2 which ends in the form of an edge, is remote from the stamp especially when it also drives the spring 3 to its prearranged position.
  • this impact portion 2a is maintained at a distance from the stamp.
  • the counter-spring 5 is constituted in known manner by a rocker or a lever rotatably mounted about an axis 8 fixed to the watch plate.
  • a first end 5a of this counter-spring lever 5 rests against the rod 6 of the hammer 2 to keep it remote from the stamp 21.
  • This first end 5a of the metal counter-spring 5 bends in the ring mode against the force applied by the drive spring 3 in action.
  • the first end 5a of the lever pushes the hammer 2 to its rest position.
  • a second end 5b of the cam-shaped lever is disposed on an opposite side of the first end 5a with respect to the axis of rotation 8. This second end 5b is in contact with an eccentric part 4 rotatably mounted on the plate.
  • This eccentric piece 4 comprises an adjusting wheel, on which is placed an off-center pin 4a.
  • the pin 4a is in direct contact with a surface of the second end 5b of the cam-shaped lever.
  • the abutment 10 can be moved in a direction along the beam or metal blade of the drive spring 3 This makes it possible to modify the location of the point or line of contact of the intermediate portion of the drive spring 3 in action against the stop 10 in the ring mode.
  • the stop 10 can also be moved in the plane of the stamp 21 in a direction perpendicular to the stamp so that the drive spring 3 in action comes into contact with the stop 10 plus or less quickly.
  • a combination of adjustment between the stop 10 and the counter spring 5 can also be envisaged.
  • the hammer 2 and the stamp 21 fixed to the stamp holder 22 can preferably be fixed on one side of the opposite plate to the side, which supports the damping counter-spring 5, the driving spring 3 and the stop 10. Under these conditions, the counter-spring 5, the drive spring 3 and the stop 10 can also be easily changed without contact with the other parts of an opposite side of the plate.
  • the different parts of the striking mechanism 1 are arranged on the same side of the plate, which allows to see them well in this embodiment. The striking mechanism is therefore represented on these figures 1 and 2 according to a plan view from above.
  • the hammer can be made of a hard material, such as tungsten cobalt carbide (WCCo), or a ceramic material or diamond. At least the impact portion 2a of the hammer 2 against the stamp 21 should be made of this hard material. In addition, the material of said hammer 2 may also have a high density to increase the energy at the impact of the hammer against the stamp at a given hammer strike speed.
  • the counter-spring 5 can also be made of hard metal or steel, as the stop 10, while the drive spring 3 can be made of traditional spring steel.
  • the abutment 10 can be placed in the extension of the drive spring 3 towards its free end 3a. Under these conditions, the free end 3a of the spring in action comes into contact with the stop before the spring bends and an intermediate portion of the spring 3 pushes the rod 6 of the hammer towards the stamp 21. The increase in hammer strike speed through the stop is also performed with this configuration not shown.
  • the figure 3 represents another more detailed embodiment of the spring elements of the striking mechanism 1 according to the invention, which are arranged on one side of the plate opposite to the side supporting the hammer and the stamp fixed to the stamp holder. It should be noted that the parts of this figure 3 , which correspond to those of figures 1 and 2 , bear identical reference signs.
  • the driving spring 3 of the hammer is fixed at one of its ends 3b in the form of a bead by means of a screw 13 on the watch plate 15. From this heel 3b, the driving spring 3 has a beam or metal blade, which describes a U shape.
  • This beam 3 surrounds the abutment 10, which is represented in this embodiment in the form of a lever, a first branch of which 12 has a free end intended to come into contact with an intermediate portion of the beam of the drive spring 3.
  • the contact of the first leg 12 of the lever with the intermediate portion of the spring 3 can be carried out for example in a corresponding portion at half the length of the beam from its end 3b fixed to the plate 15.
  • the free end 3a of the beam of the drive spring 3 can be arranged in a rest mode slightly distant from the rod 6 of the hammer represent. However, since the abutment 10 is combined with the counter-spring 5, the first end 5a of this counter-spring is driven with the hammer shaft 6 by the abutment 10 against the free end of the drive spring in the rest mode. .
  • the hammer is by against keeping remote the stamp by the damping counter-spring 5 bearing against the rod 6 of the hammer, which protrudes from the plate 15 on the side of the spring elements.
  • the counter-spring 5 is constituted as for the first embodiment of the figures 1 and 2 by a substantially rectilinear lever rotatably mounted about an axis 8 perpendicular to the watch plate 15.
  • a first end 5a of the counter spring lever 5 thus bears against the rod 6 of the hammer to keep it remote from the stamp in a rest mode.
  • the first end 5a of the metal counter-spring may bend in the striking mode by the force applied by the driving spring 3 in action, before pushing the hammer towards its rest position after the striking.
  • a second end 5b of the lever is disposed on an opposite side of the first end 5a with respect to the axis of rotation 8. For the operation of returning the hammer to its rest position, this second end 5b is in contact with an eccentric part 4 rotatably mounted on the plate 15 and serving as a rotational stop of the counter-spring 5.
  • this eccentric part 4 consists of a wheel in contact with a surface of the second end 5b so as to maintain contact between the hammer shaft 6 and the first end 5a of the counter spring 5.
  • This wheel of the workpiece eccentric 4 is mounted eccentrically on a rotation pin disposed in a bore of the plate.
  • the abutment 10 in this embodiment is mounted on the axis of rotation 8 of the counter-spring 5.
  • a screw foot 17 which comprises a disk at its base fixed on the plate 15 and on the disk, a smooth tubular part on the outside and threaded inside.
  • the counter-spring 5 in the form of a lever is first mounted on the screw base 17 to bear on the disc of the screw foot.
  • the counter spring 5 comprises a through opening at the axis of rotation 8 of equivalent diameter to the outer perimeter of the tubular portion to be mounted without play on the tubular portion.
  • the stop 10 also comprises a through opening in an intermediate portion 10a.
  • This opening of the abutment is of diameter equivalent to the outer perimeter of the tubular portion of the screw foot 17 to mount the stop without play on the tubular portion above the spring-spring 5.
  • a second eccentric part 14 which is rotatably mounted on the counter spring 5, for adjusting the position of the stop 10 on the counter spring 5.
  • This eccentric part 14 comprises a pin inserted into a bore of equivalent diameter formed on an intermediate portion of the counter-spring 5 between the axis of rotation 8 and the second end 5b of the spring against.
  • the second eccentric part 14 has, above the pin, an eccentric portion placed in another through opening 24 of particular shape at one end 10b of a second leg of the abutment 10. In a well known manner, this eccentric portion is contact of an inner surface of the other through opening 24 of the stop.
  • the intermediate portion of the pre-armored training spring 3 returns more or less quickly in contact with the free end of the first leg 12 of the stop lever 10 when the hammer is struck against the stamp.
  • first and second branches of the lever of the abutment 10 are arranged substantially facing one another with a perforated portion between the two branches.
  • the rotation of the free end of the first branch 12 and the second branch is on the same side with respect to the axis of rotation 8 of the abutment 10 and the counter-spring 5.
  • the intermediate portion of the spring comes into contact first of all with the free end of the first leg 12 of the stop lever 10.
  • the second leg of the stop lever 10 is normally provided to drive the counter-spring 5 so that its first end 5a comes into contact with the hammer rod 6 in the rest mode.
  • the counter-spring does not apply any restoring force against the hammer rod 6, also since its second end 5b is not in contact with the first eccentric part 4.
  • the striking speed of the hammer is against increased by the action of the stop against the intermediate portion of the spring 3 in action. This can occur in particular when the second end 5b of the counter spring comes into contact with the first eccentric part 4.
  • the second leg 12 of the lever of the stop 10 also serves to brake the drive spring 3 in action while generating the desired catapult effect of the hammer against the stamp.
  • the free end 3a of the drive spring 3 can be spaced from the rod 6 of the hammer held against the first end 5a of the damper counter-spring 5.
  • the intermediate portion of the drive spring 3 is in abutment against the free end of the first leg 12 of the stop lever 10.
  • the free end 3a of the drive spring 3 comes into contact both of the free end of the first leg 12 of the lever, that the rod 6 of the hammer pushed by the first end 5a of the spring against 5.
  • the stop 10 may also present instead of a lever , a simple projecting portion. This protruding portion may be made in a single piece between the two through openings of the stop to come into contact with the intermediate portion of the drive spring 3.
  • the preassembly operation of the drive spring 3 can be performed by means of the hammer shaft 6, which is driven by a lift 11 rotatably mounted about an axis of rotation 27 on the plate 15.
  • this lift 11 can also be mounted on the axis of rotation 7 of the hammer.
  • this lift 11 has a tooth 11a activated by a toothed wheel 16 rotatably mounted on the plate.
  • the teeth 16a of this wheel 16 are arranged according to the desired ring repetition.
  • the lift 11 can be turned by this toothed wheel 16 in a ringing mode to arm the drive spring 3 by pushing the rod 6 of the hammer against the free end 3a of the drive spring 3.
  • an initial adjustment by one or the other eccentric piece 4, 14 must be made to avoid any rebound when the hammer is struck against the stamp.
  • the impact portion of the hammer may be arranged further from the stamp.
  • the drive spring 3 can be more or less strongly pre-armed with any type of stamp material once the initial setting has been made. Thanks to this arrangement of the spring elements of the striking mechanism 1, a catapult effect of the hammer against the tone is obtained with an increased typing speed following the contact against the stop 10, the drive spring 3 pre-armed in action. The acoustic level produced by the struck stamp is therefore increased.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromechanical Clocks (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Springs (AREA)

Claims (13)

  1. Läutmechanismus (1) einer Uhr, wobei der Mechanismus umfasst:
    - eine Tonfeder (21), die mit einem Tonfederhalter (22) verbunden ist,
    - einen Hammer (2), der an einer Platine montiert ist, um die Tonfeder (21) zu vorgegebenen Zeitpunkten anzuschlagen,
    - eine dämpfende Gegenfeder (5), um in einem Ruhemodus den Hammer auf Abstand von der Tonfeder (21) zu halten, und
    - eine Feder (3) zum Antreiben des Hammers, die ein festes Ende (3b) und ein frei bewegliches Ende (3a) aufweist, wobei die Feder spannbar ist, um den Hammer (2) in einem Läutmodus gegen die Tonfeder (21) zu treiben, um ein akustisches Signal zu erzeugen,
    dadurch gekennzeichnet, dass der Läutmechanismus einen Anschlag (10) auf der Bahn der Hammerantriebsfeder in Richtung der Tonfeder umfasst, um die Schlaggeschwindigkeit nach Kontakt eines in Bewegung befindlichen Teils der Antriebsfeder (3) gegen den Anschlag zu erhöhen.
  2. Läutmechanismus (1) nach Anspruch 1, dadurch gekennzeichnet, dass das freie Ende (3a) der Feder dazu bestimmt ist, in einem Läutmodus den Hammer (2) gegen die Tonfeder (21) zu treiben, und dass ein in Bewegung befindlicher Zwischenteil der Antriebsfeder (3) dazu bestimmt ist, in Kontakt mit dem Anschlag (10) zu gelangen, um die Schlaggeschwindigkeit des Hammers (2) gegen die Tonfeder (21) zu erhöhen.
  3. Läutmechanismus (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Antriebsfeder in Form eines Federträgers oder -blatts (3) konfiguriert ist, damit ein Zwischenteil der vorgespannten Feder in Kontakt mit dem Anschlag (10) gelangt, wenn der Hammer gegen die Tonfeder schlägt.
  4. Läutmechanismus (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er ein exzentrisches Teil (4) umfasst, das an der Platine (15) in Kontakt mit einer Oberfläche der Gegenfeder (5) montiert ist, um die Rückstellkraft der dämpfenden Gegenfeder zu regulieren, damit der Hammer nach dem Schlag gegen die Tonfeder zurückgestoßen wird und damit er in einem Ruhemodus in einem bestimmten Abstand von der Tonfeder gehalten wird.
  5. Läutmechanismus (1) nach Anspruch 4, dadurch gekennzeichnet, dass die dämpfende Gegenfeder (5) ein Hebel ist, der um eine Drehachse (8) an der Platine (15) drehbar montiert ist, wobei ein erstes Ende (5a) des Hebels dazu dient, den Hammer (2) zurückzustoßen und ihn in einem Ruhemodus zu halten, und wobei ein zweites Ende (5b) des Hebels auf der Seite gegenüber dem ersten Ende (5a) in Bezug auf die Drehachse (8) mit dem exzentrischen Teil (4) in Kontakt ist.
  6. Läutmechanismus (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hammer (2) an der Platine (15) um eine Drehachse (7), die zu der Ebene der Platine im Wesentlichen senkrecht ist, drehbar montiert ist und dass der Hammer einen Stift (6) aufweist, der in einem Ruhemodus in Kontakt mit einem ersten Ende der Gegenfeder (5) gehalten wird und der durch das freie Ende (3a) der in Bewegung befindlichen Antriebsfeder angetrieben wird, wenn der Hammer gegen die Tonfeder (21) schlägt.
  7. Läutmechanismus (1) nach Anspruch 6, dadurch gekennzeichnet, dass in einem Ruhemodus ein Zwischenteil der Antriebsfeder mit einem Abschnitt des Anschlags (10) in Kontakt ist, während das freie Ende (3a) der Antriebsfeder (3) von dem Stift (6) des Hammers (2) beabstandet ist, der mit einem ersten Ende (5a) der Gegenfeder (5) in Kontakt ist.
  8. Läutmechanismus (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass in einem Ruhemodus ein Zwischenteil der Antriebsfeder (3) mit einem Abschnitt des Anschlags (10) in Kontakt ist, während das freie Ende (3a) der Antriebsfeder (3) mit einem Stift (6) des Hammers (2) in Kontakt ist, der durch das erste Ende (5a) der Gegenfeder (5) zurückgeschoben wird.
  9. Läutmechanismus (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er einen Hebel (11) umfasst, der an der Platine um eine Drehachse (7) des Hammers (2) oder um eine Drehachse (27) parallel zu der Drehachse des Hammers (2) drehbar montiert ist, wobei der Hebel dazu vorgesehen ist, einen Stift (6) des Hammers (2) mit dem freien Ende (3a) der Antriebsfeder (3) zu schieben, um die Feder in einer von dem Anschlag (10) beabstandeten vorgespannten Position anzuordnen.
  10. Läutmechanismus (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Anschlag (10) einen Hebel bildet, von dem das freie Ende eines ersten Schenkels (12) dazu vorgesehen ist, in Kontakt mit einem Zwischenteil der Antriebsfeder zu gelangen, wenn der Hammer gegen die Tonfeder schlägt.
  11. Läutmechanismus (1) nach Anspruch 10, dadurch gekennzeichnet, dass ein Zwischenabschnitt (10a) des Anschlaghebels (10) an der Drehachse (8) der Gegenfeder (5) montiert ist, um die Basis des ersten Schenkels (12) des Anschlaghebels zu bilden.
  12. Läutmechanismus (1) nach Anspruch 11, dadurch gekennzeichnet, dass ein Ende (10b) eines zweiten Schenkels des Anschlaghebels (10) mit der Gegenfeder über ein zweites exzentrisches Teil (14) verbunden ist, um die Position des Anschlags an der Gegenfeder (5) einzustellen.
  13. Läutmechanismus (1) nach Anspruch 12, dadurch gekennzeichnet, dass die dämpfende Gegenfeder (5) ein erstes Ende (5a) in Kontakt mit einem Stift (6) des Hammers (2), um ihn in einer von der Tonfeder (1) beabstandeten Ruheposition zu halten, und ein zweites Ende (5b) des geradlinigen Hebels auf einer Seite gegenüber dem ersten Ende (5a) in Bezug auf die Drehachse (8) umfasst, das mit einem ersten exzentrischen Teil (4) in Kontakt ist, um den Abstand zwischen einem Auftreffabschnitt (2a) des Hammers (2) und der Tonfeder (21) in einem Ruhemodus einzustellen, und dass das zweite exzentrische Teil (14) an der Gegenfeder (5) zwischen der Drehachse (8) und dem zweiten Ende (5b) drehbar montiert ist.
EP10192444.7A 2009-12-24 2010-11-24 Schlagwerkmechanismus einer Armbanduhr Active EP2339412B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH02002/09A CH702424A1 (fr) 2009-12-24 2009-12-24 Mécanisme de sonnerie d'une montre.

Publications (3)

Publication Number Publication Date
EP2339412A2 EP2339412A2 (de) 2011-06-29
EP2339412A3 EP2339412A3 (de) 2016-08-03
EP2339412B1 true EP2339412B1 (de) 2019-01-02

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EP10192444.7A Active EP2339412B1 (de) 2009-12-24 2010-11-24 Schlagwerkmechanismus einer Armbanduhr

Country Status (7)

Country Link
US (1) US8514669B2 (de)
EP (1) EP2339412B1 (de)
JP (1) JP5324555B2 (de)
CN (1) CN102109808B (de)
CH (1) CH702424A1 (de)
HK (1) HK1159764A1 (de)
TW (1) TW201135380A (de)

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Publication number Priority date Publication date Assignee Title
CH702721A2 (fr) * 2010-02-26 2011-08-31 Montres Breguet Sa Mecanisme de sonnerie d'une montre a contre-ressort amortisseur actif.
CH704198A2 (fr) * 2010-12-10 2012-06-15 Montres Breguet Sa Mecanisme de sonnerie d'une montre.
CH704392A1 (fr) * 2011-01-28 2012-07-31 Montres Breguet Sa Mécanisme de sonnerie d'une montre à blocage du marteau.
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CH702424A1 (fr) 2011-06-30
JP5324555B2 (ja) 2013-10-23
HK1159764A1 (en) 2012-08-03
CN102109808B (zh) 2012-12-26
CN102109808A (zh) 2011-06-29
US8514669B2 (en) 2013-08-20
JP2011133479A (ja) 2011-07-07
EP2339412A2 (de) 2011-06-29
US20110158058A1 (en) 2011-06-30
TW201135380A (en) 2011-10-16
EP2339412A3 (de) 2016-08-03

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