EP1760548B1 - Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk - Google Patents

Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk Download PDF

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Publication number
EP1760548B1
EP1760548B1 EP20050405504 EP05405504A EP1760548B1 EP 1760548 B1 EP1760548 B1 EP 1760548B1 EP 20050405504 EP20050405504 EP 20050405504 EP 05405504 A EP05405504 A EP 05405504A EP 1760548 B1 EP1760548 B1 EP 1760548B1
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EP
European Patent Office
Prior art keywords
lever
winding
wheel
rake
timepiece
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
EP20050405504
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English (en)
French (fr)
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EP1760548A1 (de
Inventor
Francois-Paul Journe
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 Journe SA
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Montres Journe SA
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Montres Journe SA filed Critical Montres Journe SA
Priority to EP20050405504 priority Critical patent/EP1760548B1/de
Priority to DE200560011433 priority patent/DE602005011433D1/de
Publication of EP1760548A1 publication Critical patent/EP1760548A1/de
Application granted granted Critical
Publication of EP1760548B1 publication Critical patent/EP1760548B1/de
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Anticipated expiration legal-status Critical

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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
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding

Definitions

  • the present invention relates to a timepiece provided with a mechanism for indicating the time by striking, comprising a single barrel for a mainspring, comprising on the one hand a drum, secured to the outer end of said motor spring and a gear engaged with the work train and secondly a shaft secured to the inner end of said motor spring and connected to a gear engaged with the ring gear by a drive device.
  • This mechanism comprises a device with double ratchet superposed, connected by a pin attached to a ratchet integral with the barrel shaft, engaged with a slot in an arc of the second ratchet.
  • the winding of the spring to cause the ringing is obtained using a rack engaged with a rake coaxial with the two ratchets and provided with a pawl to drive the ratchet bearing the pin relative to the other ratchet, one end to the other of the slot.
  • the ratchet rakes the ratchet until the pin is stopped by the other end of the slot in an arc.
  • the object of the present invention is in particular to remedy, at least in part, the disadvantages of the aforementioned solutions.
  • this invention relates to a timepiece provided with a mechanism for indicating the time by ringing according to claim 1.
  • a particularity of the great-time mechanism for a timepiece according to the present invention lies in the fact that it is located on both sides of the movement of the watch, respectively illustrated by the figures 1 and 2 .
  • the bridges, the milling of the plate and the organs of the timepiece itself have not been represented, with the exception of the barrel 1 of the mainspring, to the extent that the same barrel 1 used to drive the gear of the timepiece 2, called the finishing gear and the ring gear 3, as illustrated by the Figures 3 and 4 .
  • the barrel shaft 1 is integral with a winding wheel 4 which, unlike the traditional ratchet, is not associated with a ratchet and can therefore turn in both directions.
  • This winding mobile 4 is intended to come into selective engagement with a winding return 5 pivotally mounted on a rocker 6, itself pivoting about the pivot axis of a winding crown 7 in engagement with a winding pinion 8 flip-flop of the winding and setting-up rod 9.
  • the flip-flop 6 still carries two references 10.
  • a time setting lever 14 is engaged with a groove of the winding and setting rod. 9.
  • This pull tab 14 has a pin 14a intended to engage with a surface 6a of the rocker 6 in the setting position of the winding stem 9 ( figure 13 ), to put the timer switch 10 into engagement with the timer wheel 11 of the usual timer train (not shown).
  • the winding and setting rod 9 is associated with a winding stem crown 78 to be screwed onto a member (not shown) integral with the housing for protecting the clockwork mechanism.
  • This type of housing with screwed winding crown crown is well known to those skilled in the art and is used to improve the sealing of the housing to the passage of the winding stem. It is not part of the present invention and therefore does not need to be described to understand the invention. It is sufficient to know that to allow the screwing of the winding stem crown 78, it must be associated with the winding stem 9 so as to be disengaged from this rod 9.
  • the crown of the winding stem (not shown) comprises, in known manner, a tubular portion which has at its end a portion of polygonal section which, in the unscrewed position of the crown of the winding stem is engaged with a polygonal portion complementary section (not shown) of the winding stem 9 by a spring (not shown) exerting an axial force tending to move the crown of the winding stem 9, so that when the winding stem crown 78 is unscrewed, the two polygonal clutch parts 78a, 9a are engaged, which makes it possible to drive the winding stem 9 in rotation about its longitudinal axis and to carry out the winding of the mainspring or the setting time according to the axial position in which this winding stem 9 is put.
  • a tubular element 78 is freely disposed around the winding stem 9, between the tube of the winding stem crown (not shown) and the lever 77.
  • the barrel 1 ( Figures 5-7 ) comprises, as usual, a drum provided with a set of teeth 1a in engagement with the high gear of the finishing gear train 2.
  • its cover is pivotally mounted with respect to the drum and carries a toothing 1b engaged with the pinion of the first mobile of the ring gear gear 3.
  • the toothed lid 1b of the barrel 1 is pivotally mounted on a cylindrical portion 1c of the shaft 1d ( figure 7 ) of this barrel 1.
  • This toothed lid 1b is connected to a portion of square section 1e of the barrel shaft 1d by a ratchet drive wheel 15 housed in the thickness of the toothed lid 1b, integral with the shaft barrel thanks to the portion of square section and whose ratchet gear is engaged with two pawls 16 ( figure 5 ), pressed in this ratchet toothing by two leaf springs 17a integral with a split elastic ring 17 resiliently fixed in a circular housing formed in the thickness of the toothed lid 1b.
  • the cylinder 1 is still associated with a gear train 20 for the indication of the power reserve ( figures 1 , 8-12 ) of the spring of the barrel 1.
  • the gear train 20 allows to add the angular displacements of the teeth 1a, 1b and to subtract the angular displacement of the shaft 1d of the barrel consecutive to the winding of the spring of the barrel 1.
  • a first pinion 21 is mounted on the same portion of square section 1g of the barrel shaft 1d as that receiving the winding ratchet 4.
  • a second pinion 22, coaxial with the first 21 is integral with the cylindrical hub 1f of the barrel drum provided with teeth 1a.
  • the first pinion 21 meshes with a first wheel 23, while the second gear 22 meshes, via a gear 24, with a second wheel 25, coaxial with the first wheel 23, so that the two wheels 23 and 25 rotate both in the opposite direction to clockwise ( figure 10, 11 ) when the spring disarms, even if the gears 21, 22 rotate in opposite directions from one another.
  • the winding ratchet 4 rotates the barrel shaft 1d in the opposite direction to that of the clockwise during the winding of the spring barrel 1, the wheel 23 is then driven in the direction of Clockwise.
  • the wheel 25 is pivotally mounted on a frame member B ( figure 12 ). Between this wheel 25 and the wheel 23, a free wheel 26 is mounted, coaxial with the other two. This free wheel 26 has five openings in each of which a ball 27 is freely mounted. This free wheel 26 also serves as a ball cage. It is mounted on a cylindrical part of a nut 29 ( figure 12 ) and is held between a bearing surface of this nut 29 and a bearing surface of a screw 30 screwed into the nut 29. The diameter of the balls 27 is greater than the thickness of the free wheel 26, so that these balls can make protruding from both sides of the free wheel 26.
  • the wheel 23 is pivotally mounted in an opening of an elastic arm 28 integral with the frame B of the watch. The pressure exerted by this elastic arm 28 on the wheel 23 serves to allow the wheels 23 and 25 to drive the balls 27 and consequently the freewheel-shaped ball cage 26.
  • This device allows the free wheel 26 to total or subtract the simultaneous angular displacements of the wheels 23, 25 as they rotate in the same direction or in opposite directions relative to each other. Then the rotation of the freewheel 26 is transmitted to two mobiles 31, 32 of the power reserve gear train, as well as to a toothed sector 33 ( figure 1 ) of the mobile power reserve indicator, intended to carry a needle 33a disposed opposite a graduation (not shown) carried by the dial of the timepiece.
  • snails in this type of mechanism; the snail of the hours 34, the snail of the quarters 35 and the snail of the minutes 36 ( figure 2 ).
  • snails 34-36 are driven in known manner by the time wheel of the timepiece. This training of snails, moreover known, is not necessary for the understanding of the present invention, so that it is not described here. It is sufficient to know that the snail of the hours 34 is driven at a rate of 1 turn in 12 hours, as the hour hand of the timepiece, while the quarter and minute snails 35, 36 are driven as minute hand, at the rate of 1 turn per hour.
  • Each snail 34-36 is associated with a ring rake, namely, respectively, the rake hours 37, the rake quarters 38 and rake minute 39.
  • the three rakes 37 -39 are here rotated at the geometric center of the watch movement.
  • Each of these rakes 37-39 is subjected to the force of a return spring 40, 41, respectively 42 ( figure 2 ), which tends to rotate it clockwise.
  • the return spring 40 acts on a latch 43 for locking the winding stem, the function of which will be explained later.
  • This flip-flop 43 has a toothed sector 43a engaged with a toothed sector 37b of the hour rake 37 ( figure 19 ).
  • the mechanism for driving ringtones 37-39 when the bell is sounding is illustrated by the figures 19 and 20 . It comprises, on the axis of the second mobile 3b of the ring gear 3, a free pinion 44 engaged with a toothed sector 37c formed along the inner edge of the hour rake 37.
  • a second pinion 45 identical to the free pinion 44 , is mounted on a portion of square section of the axis of the second ringing mobile 3b.
  • a clutch rocker 46 pivoted about an axis 46a carries a clutch gear 47 whose thickness corresponds substantially to that of the two pinions 44 and 45, so that when this clutch gear 47 is engaged with these gables 44, 45, it secures the hour rake 37 with the striking gear 3.
  • the triggering mechanism will be described in more detail later. However, the operation of rakes 37-39 can be explained here.
  • the pinion 47 of the clutch rocker 46 is held in engagement with the free pinion 44 by an arm of a trigger lever 48 of the bell, engaged with a roller 46b of the clutch rocker 46, as illustrated by FIG. position of this lever 48 drawn in lines full on the figure 19 .
  • the lever 48 Upon release, the lever 48 is moved to the position shown in broken lines on the figure 19 which releases the free gear 44 engaged with the teeth 37c of the hour rake 37.
  • the spring 40 can rotate the hour rake 37 clockwise until its feeler 37d abuts one of the rungs of the hours snail 34.
  • the hour rake 37 begins its clockwise rotation, along with the quarter rake 38 and the minute rake 39.
  • this rake 39 moves its cam 39b in which an end 81a of the locking rocker 81 is engaged, thus causing this blocking rocker 81 to swing clockwise about its pivot axis 81c, making it pass from the position illustrated by the figure 24 to that illustrated by the figure 25 .
  • Since the other end of this rocker is engaged with the opening 18c of the locking lever 18 of the ringing wheel 19, it pivots the locking lever 18 in the direction of clockwise, thus removing the brake 18b of the steering wheel 19 of the ring gear, releasing the ring gear 3.
  • the blocking lever 18 is on the side of the clockwork movement opposite to that on which the ringing rakes are located, so that the blocking rocker 81 crosses the watch movement to engage the cam 39b of the timer rake 39 ( figures 1 and 2 ) which is on the other side of the movement.
  • the trigger lever 48 is controlled by referring in particular to figures 2 , 17 and 18 , the latter two essentially showing the whole of the trigger mechanism actuated by the clockwork mechanism, as well as the manual triggering device, in the different positions corresponding to the different functions.
  • the trigger mechanism comprises a quarter star 49 fixed on the same mobile of the timepiece as the snails of quarters 35 and minutes 36, so that it is driven at a rate of turn per hour.
  • a rocker 50 subjected to the pressure of a return spring 51 comprises an arm whose end intersects the trajectory of the teeth of the quarter star 49 which rotates in the opposite direction of that of clockwise.
  • a pusher 52 is articulated by means of a toggle joint 53.
  • This pusher 52 also comprises a spring 52a which rests on an eccentric 54 secured to the frame and a arm 52b whose role will be explained later.
  • the pusher 52 is intended to push a lever 55 maintained resiliently applied by a return spring 56 against an eccentric stop 57.
  • An end 55a of an elastic arm 55c of this lever 55 carries a pin engaged in a slide 48a provided to the end of a second arm of the trip lever 48.
  • the pusher is moved into the triggering position illustrated in broken lines on the figure 17 , by pivoting the lever 55, whose end 55a then moves the release lever 48 in its position shown in dashed lines, in which position it releases the clutch rocker 46 to drop the ring rakes 37-39 against respective snails 34-36, as previously explained.
  • a pin 37e engaged with an arcuate opening 38c of the quarter rake 38 ( figure 21 ) drives the latter, which in turn drives the minutes rake via a pawl 58 ( figure 22 ) biased by a spring 59 which is engaged with a ratchet tooth 39c minute rake 39, as soon as the pawl 58 leaves a fixed stop 60 secured to the balance bridge, after the ringing of the last quarter of an hour.
  • the stopping of the ring is produced by the blocking of the steering wheel 19 by the brake 18b, as soon as the end 81a ( figure 24 ) of the blocking lever 81 arrives at the end of the cam 39b minute rake 39 and causes, by its swinging in the opposite direction to that of the clockwise, a slight pivoting of the locking lever 18 for the move from the position illustrated by the figure 25 to that illustrated by the figure 24 and therefore causes the application of its brake 18b against the steering wheel 19 and the stop of the ring gear.
  • a ringing arresting cam 61 ( figures 1 and 23 ) is keyed on the last mobile 32 of the power reserve indicator wheel.
  • the angular position of this cam 61 is chosen so as to block the clutch rocker 46 from the moment when the power reserve of the spring of the barrel 1 reaches a running time of the movement of the timepiece fixed to a certain value, for example 24 hours.
  • This cam 61 is in desmodromic connection with the shaft and the drum of the common cylinder (1) with an angular ratio chosen so that its total displacement angle corresponding to the total winding angle of the mainspring does not exceed 360 ° .
  • This cam 61 is intended to move a locking lever 79 pivoting about an axis 79d, between two positions, an unlocking position shown in solid line by the Figures 23 and 23a and a locking position illustrated in broken lines by the figure 23 and by figure 23b .
  • the lever has two projections 79a, 79b.
  • This lock lever 79 is secured to a return spring 79c which bears against the plate ( figure 1 ), so that this return spring determines the two positions of the locking lever 79.
  • This locking lever 79 has an opening 79e in which is engaged play with one end of a latch 80 pivoting about an axis 80a oriented perpendicular to the pivot axis 70d of the locking lever 79.
  • This rocker 80 has a flat locking surface 80b, which in its locking position is shown in broken lines by the figure 23 and in continuous line by the figure 23b , lies in the path of an arm 46c of the clutch rocker 46.
  • the striking mechanism illustrated by the figure 17 and described above, is further connected to a triggering mechanism of this ringing on demand which comprises a manual control rocker 62 hinged around an axis 62a and whose tilting is controlled by a pusher 63 acting at one of its ends.
  • the other end of this manual control lever 62 is intended to act on a transmission lever 64 which has a slide 64a in which the pin 55a located at the end of the elastic arm 55c of the lever 55 is engaged. Therefore, if the trip lever 48 is actuated by the manual control rocker 62, between two quarters of hours where the ringing sounds according to the incidental ringing mode, this ringing will sound the time, the quarter (s) and minutes after the last quarter, provided that the bell is not disabled. We have seen a mode of neutralization of this ring, we will see others later.
  • FIG 17 shows this locking device when the winding stem 9 is in the winding position, corresponding to that of its two axial positions in which it is closest to the center of the movement of the timepiece, drawn in solid lines.
  • a groove 9a of this winding stem 9 is engaged, like a pull rod, with a latch 65 pivoting about an axis 65a.
  • This latch 65 includes a pin 65b engaged with a return spring 66b secured to a locking cam 66 pivoting about an axis 66a.
  • This locking cam 66 also includes a stopper 66c in the form of an ankle intended to cooperate with the locking lever of the winding stem 43, whose toothed sector 43a engages the toothed sector 37a of the hour rake 37.
  • the winding stem 9 is in the winding position.
  • the manual ringer control lever 62 can be operated about its pivot axis 62a to trigger the ringer mechanism, since the locking cam 66 does not prevent an ankle 62b, which extends perpendicularly to the end of the lever 62 on which the pusher 63 acts, to move.
  • the time-setting rod 9 can be pulled axially towards the outside of the movement, in the setting position, since in the stopping position of the rake of At 37 hours, the latch 43 of the winding stem prevents the locking cam 66 from rotating while retaining its stop 66c. Therefore, the winding stem 9 can be moved to its setting position shown in continuous lines on the figure 18 .
  • the second position illustrated in broken lines by the figure 18 shows the winding stem 9 pushed towards the center of the movement of the timepiece, in the winding position.
  • the blocking latch 43 is moved counterclockwise, releasing the stop 66c, so that the return spring 66b of the locking cam 66 rotates clockwise about its axis of rotation.
  • pivoting 66a which has the effect of engaging the pin 65b of the latch 65 in a concave locking slot 66d of the locking cam 66, preventing axial displacement of the winding stem 9 outward movement of the timepiece, as the hour rake 37 has not returned to the stop position, corresponding to the end of the ring, position in which the latch 43 of the winding stem 9 is brought back by the hour rake 37 in its position drawn in solid lines, corresponding to the stop of the ring.
  • the part of the striking mechanism illustrated by the figure 16 is relative to the selection of the ringing mode chosen between three possibilities: the great ringing, ringing passing the hours and quarters every quarter of an hour and in addition, when the operation of the manual control lever 62 ring between two-quarters of an hour, the minutes, the little bell ringing in passing only the quarters, and in addition, when the manual control lever 62 is pressed between two quarters of an hour, the minutes and finally the silent mode , removing any ringing in passing.
  • This selection mechanism comprises a circular cam 67 similar to a column wheel of a chronograph mechanism.
  • This column wheel 67 is designed to pass successively from one of the three ring modes to the other in a determined succession, then to start the same cycle again indefinitely by exerting each time a pressure on a control pusher (not shown ) accessible outside the watch box.
  • This column wheel 67 is driven in a counter-clockwise direction by an articulated ratchet 68a 68a controlled by a pusher (not shown) mounted on the watch case, acting in the direction of the arrow F in FIG. end of the rocker 68 opposite that to which the pawl 68a is hinged.
  • a pawl spring 77 places this pawl 68a in engagement with a ratchet wheel 67a set on the column wheel 67 and constantly tends to hold the pawl 68a in an angular position relative to the ratchet wheel 67a corresponding to its position. of rest illustrated by the figure 16 .
  • Successive pressures in the direction of the arrow F on the end of the rocker 68 opposite that where the pawl is hinged alternately with the release of this pressure can rotate the column wheel 67 in successive steps.
  • a selector upper cam 67b is disposed above the four columns 67c, with which a pivoted selector rake 69 is engaged under the pressure of a return spring 70.
  • This selector rake 69 meshes with a toothed sector.
  • 69a with a pinion 71 of an indicator (not shown) for displaying the selected ringing mode.
  • Two levers 72, 73 cooperate with the columns 67c of this column wheel 67, a ring / silence control lever 72 and a large ring / small ring control lever 73.
  • Each of these levers 72, 73 carries a control pin 72a. respectively 73a which both traverse the movement of the timepiece.
  • the ankle 72a is visible on the figures 2 , 17 and 18 on which it is shown in solid lines in its ringing control position and in dashed lines in its silence control position of the ring triggering mechanism.
  • the selection in silent mode is only operative for the ringing mode said in passing, but not on the manually operated bell, since in this case, the manual control lever 62 acts directly on the lever trigger 48 by means of the transmission lever 64, so that the user always has the possibility to actuate the repetition, even in silent mode, unless the winding and setting rod 9 is in setting position, as explained above, or that the cam 61 locks the clutch lever 46 at the end of winding of the mainspring, to avoid causing the stoppage of the watch movement .
  • the ankle 73a of the small and large ring control lever 73 is visible on the bridge side view of the figure 2 , as well as on figures 17 and 18 .
  • This pin 73a is engaged in an elongate opening 74a of a latch 74 for retaining the hour rake 37.
  • This latch 74 is capable of occupying two positions, one drawn in broken lines and corresponding to the big bell, the another drawn in continuous line and corresponding to the small ring.
  • the end 74b of the rocker 74 is placed in the trajectory of the latch 43 for locking the rod winder which is in kinematic connection with the hour rake 37 by its toothed sector 43a engaged with the toothed sector 37b of the hour rake 37. Therefore, in this position, the rocker 43 can move only a limited angle .

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

Claims (4)

  1. Uhr mit einem Mechanismus für die Zeitangabe durch ein Läutwerk, ein einziges Federhaus (1) als Antriebsfeder aufweisend, das einerseits eine mit dem äusseren Ende der Antriebsfeder fest verbundene Trommel und eine mit dem Räderwerk (3) der Uhr im Eingriff stehende Zahnung (1a) und andererseits eine Welle (1d) umfasst, die fest mit dem inneren Ende der Antriebsfeder und über eine Antriebsvorrichtung mit einer mit dem Läutwerk (3) im Eingriff stehenden Zahnung (1b) verbunden ist, dadurch gekennzeichnet, dass ein Deckel bezüglich der Trommel drehbar montiert ist, dass er mit einer mit dem ersten Drehteil eines Läutwerks (3) im Eingriff stehenden Zahnung (1b) fest verbunden ist, und dass er durch eine einseitig gerichtete Antriebsvorrichtung (15-17) drehbar so mit der Welle (1d) verbunden ist, dass er sich nur dann mit der Welle (1d) dreht, wenn diese in der Richtung der Entspannung der Antriebsfeder angetrieben wird.
  2. Uhr nach Anspruch 1, in der die einseitig gerichtete Antriebsvorrichtung (15 - 17) einerseits eine Sägezahnung (15) aufweist, die in ihrer Drehung mit einem der Elemente, der Welle (1d) oder dem Deckel (1b), fest verbunden ist, und andererseits zumindest einen Sperrkegel (16), der fest mit dem anderen dieser Elemente verbunden ist.
  3. Uhr nach einem der vorangehenden Ansprüche, aus einer Armbanduhr bestehend.
  4. Uhr nach einem der vorangehenden Ansprüche, in der der Mechanismus der eines grossen Läutwerks mit Minutenrepetierwerk ist.
EP20050405504 2005-09-01 2005-09-01 Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk Active EP1760548B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20050405504 EP1760548B1 (de) 2005-09-01 2005-09-01 Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk
DE200560011433 DE602005011433D1 (de) 2005-09-01 2005-09-01 Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050405504 EP1760548B1 (de) 2005-09-01 2005-09-01 Uhr mit einer Vorrichtung zur Zeitangabe durch Läutwerk

Publications (2)

Publication Number Publication Date
EP1760548A1 EP1760548A1 (de) 2007-03-07
EP1760548B1 true EP1760548B1 (de) 2008-12-03

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3306415B1 (de) 2016-10-04 2020-05-20 ETA SA Manufacture Horlogère Suisse Mechanisches uhrwerk mit erfassung der gangreserve
EP3306416B1 (de) * 2016-10-04 2019-08-21 ETA SA Manufacture Horlogère Suisse Mechanisches uhrwerk mit erfassung der gangreserve
EP3855254A1 (de) * 2020-01-24 2021-07-28 Patek Philippe SA Genève Uhrwerk
EP3968094A1 (de) * 2020-09-09 2022-03-16 Omega SA Wahlmechanismus eines uhrwerks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH2808A (fr) * 1890-10-27 1891-06-15 Spann H Th Mécanisme permettant de remonter le ressort des montres à répétition à un seul barillet, de la quantité nécessaire à la sonnerie ou répétition, même lorsque ce ressort est remonté au haut pour le mouvement
CH290364A (fr) * 1950-11-23 1953-04-30 Froidevaux Jean Michel Montre-réveil.
CH318514A (fr) * 1954-08-06 1957-01-15 Ditisheim & Cie Fabriques Vulc Montre-bracelet-réveil à barillet unique
DE4012011A1 (de) 1990-04-13 1991-10-17 Int Watch Co Iwc Zugfedereinrichtung

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DE602005011433D1 (de) 2009-01-15
EP1760548A1 (de) 2007-03-07

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