EP1276021A1 - Echappement pour garde-temps - Google Patents
Echappement pour garde-temps Download PDFInfo
- Publication number
- EP1276021A1 EP1276021A1 EP01202461A EP01202461A EP1276021A1 EP 1276021 A1 EP1276021 A1 EP 1276021A1 EP 01202461 A EP01202461 A EP 01202461A EP 01202461 A EP01202461 A EP 01202461A EP 1276021 A1 EP1276021 A1 EP 1276021A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rocker
- tooth
- apex
- housing
- wheel
- 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
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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
- G04B15/00—Escapements
- G04B15/06—Free escapements
Definitions
- the present invention relates to an exhaust disposed between a gear train and a plate to which is attached a pendulum of a timepiece, the pendulum being able to traverse a free oscillation arc and to receive maintenance pulses from oscillations, this exhaust comprising in particular a toothed wheel driven by the cog.
- a single plate supporting the balance-spring cooperates with a first rocker which cooperates with its tower with a second scale, the two scales cooperating alternately with a single escape wheel. It will therefore be understood that the whole mechanism exhaust is confined in a single plane and thus the overall height of this mechanism is halved compared to the space occupied by the escape of the cited document. Similarly, the use of a single wheel exhaust instead of two greatly reduces the bulk in the plane of the exhaust as well as the inertia of the exhaust mechanism.
- the exhaust of the present invention is characterized in that it further comprises first and second flip-flops adapted to receive alternately impulses generated by the wheel, the second rocker also being able to transmit the pulses received to the first flip-flop, the first flip-flop being able to transmit the impulses received from the wheel and those received from the second tilt to the plate to drive it in rotation and maintain the oscillations of the pendulum, said first and second rockers being arranged to block alternately said escape wheel after each pulse transmitted.
- first and second flip-flops of the invention fulfill a double function: that of first transmitting to the stage respectively on the first rocker the impulses received from the wheel exhaust and that of alternately blocking said wheel after each impulse.
- Figure 1 shows the entire exhaust mechanism according to the invention.
- the exhaust 1 is arranged, as usual, between a gear train and a plate 2 supporting a balance-spring of a timepiece.
- the balance spring no shown in the figures, is capable, as is known, of traversing an arc of free oscillation and arranged to receive maintenance pulses from these oscillations.
- the cog also called finishing, is the set of wheels and pinions which, from a barrel, transmits the driving force to an escape wheel.
- the train is represented by its last wheel 40, associated with the pinion 41.
- the wheel 40 drives an exhaust wheel 3 through the pinion 42 which is integral with it.
- the present invention is remarkable in that it comprises first and second flip-flops 4 and 5 suitable for receive pulses generated by the escape wheel 3 as shown well the figures accompanying this description.
- the second flip-flop 5 transmits the pulses received at the first flip-flop 4 which alternately transmits the pulses received by the wheel 3 and those received by the second rocker 5 on the plate 2 for drive it in rotation so as to maintain the oscillations of the balance spring of this tray 2.
- the first and second scales respectively 4 and 5 are arranged to block alternately the escape wheel 3, this after each pulse has been transmitted to the tray 2.
- the first rocker 4 fitted to the exhaust according to the invention is supported by a shaft 6 pivoting freely in a plate (not shown) that includes the timepiece.
- This first flip-flop 4 presents a general shape substantially triangular, bounded by three vertices.
- a first vertex 41 of the first lever 4 has two teeth 11 and 12 capable of to mesh with a single tooth 13 that comprises the plate 2, a situation of total meshing being clearly apparent in Figures 3 and 8.
- the radius of curvature R1 passes through the axis of the shaft 6 supporting the first rocker 4, and a tooth 16.
- These four elements 42, 43, 14 and 16 define three housings 7, 9 and 15, referenced in particular in Figure 2. It will be noted that the intersection between the tab 14 and the first housing 7 define an edge 25.
- the second flip-flop 5 also has a substantially general shape triangular bounded by three vertices.
- a first summit 51 of the second scale 5 is preferably of rounded shape concentrically with respect to the axis of the shaft 19 supporting the second rocker 5.
- One can however envisage other shapes for this vertex such as a right angle.
- the second vertex 52 has on its outer edge a curved top cut 21 (FIG. 4A) whose radius of curvature R2 passes through the axis of the shaft 19 supporting the second rocker 5. This radius of curvature R2 is substantially the same as the radius of curvature R1.
- first housing 17 has a shape complementary to the tab 14 of the first flip-flop 4 in order to block the first flip-flop 4 relative to the second.
- Figures 2 to 11 are plan views according to ten successive phases of the exhaust according to the invention, these phases covering two complete oscillations of the sprung balance.
- each tooth 8 of the wheel 3 each have a front flank 22 defined as facing the direction of advance F of the toothed wheel 3 (direction shown in Figures 3 and 8).
- Each front flank 22 comprises a first curved top cut 23, called the blocking face, the radius of curvature R3 is substantially the same as the radii of curvature R1 and R2 respectively from the outer edge 46 of the tab 14 of the first lever 4 and of the curved cutout 21 of the second rocker 5.
- this blocking face 23 comes to bear against the outer edge of the lug 14 of the first rocker 4 to block the wheel 3.
- a similar situation, blocking wheel 3, is shown in Figure 4, where this time the locking face 23 comes to rest against the curved cutout 21 of the second vertex 52 of the second flip-flop 5.
- Each front flank 22 also has a second cut 24, in an arc, called the impulse face, this second cut 24 extending the first cut 23.
- this pulse face 24 comes to bear against the edge 25 defined as being the intersection of the outer edge 46 of the tab 14 of the first lever 4 and of the first housing 7 of the same lever.
- This support causes the first rocker 4 to rotate in the direction of arrow A1 and, by way of consequence, drives the plate 2 in the direction of the arrow E. The impulse is thus given to the balance-spring.
- the pulse face 24 comes to bear against an edge 26 defined as being the intersection of the first housing 17 of the second flip-flop 5 and the curved cutout 21 of the same flip-flop.
- This support causes the second rocker 5 to rotate in the direction of the arrow A2, which causes itself the first rocker 4 in rotation in the direction of the arrow B1 opposite to the direction of arrow A2 and, consequently, drives the plate 2 in the direction from the reverse arrow M to the direction of the arrow E.
- the reverse pulse is thus given to the sprung balance.
- a first execution consists in providing the second and third vertices 42 and 43, of the first rocker 4 and the third vertex 53 of the second rocker 5, respectively of first and second horns 27 and 28 for the first rocker 4 and a horn 29 for the second rocker 5 as shown Figures 1 to 11 and particularly Figures 4 and 9.
- the first horn 27 of the first rocker 4 abuts against the side rear 39 of a tooth 8 of the wheel 3.
- the horn 29 of the second rocker 5 abuts against the rear flank 36 of the second horn 28 of the first lever 4.
- the rear flank 39 of the teeth question is defined as turning your back on the direction of advance of the wheel noted by the arrow F.
- a second execution consists in limiting the execution of flip-flops 4 and 5 to by means of three pins 30 and 31 and 47 inserted in the plate of the timepiece as this is shown in Figures 12 and 13, corresponding to Figures 4 and 9.
- the horns 27 and 28 equipping the first rocker 4 and the horn 29 fitted to the second scale 5 are no longer necessary and can be removed.
- the second and third vertices 42 and 43 of the first rocker 4 could end according to curve 32, respectively 33 thus likewise for the third vertex 53 of the second tilt which could end according to the curve 34.
- the mechanism is stopped.
- the escape wheel 3 is blocked because the face 23 of its tooth 8 rests on the outer edge 46 of the tab 14 of the first flip-flop 4, which is therefore also blocked.
- the angular excursion of first and second scales respectively 4 and 5 are at the end of their travel since the horn 29 of the second lever 5 rests on the rear flank 36 of the third apex 43 of the first flip-flop 4.
- the second flip-flop 5 is blocked by the second horn 28 of the first rocker 4 which is housed in the second housing 18 of the second rocker 5. At this moment the balance-spring is close to the end of oscillation (arrow E) or near the end of the second half-wave of this oscillation.
- Tooth 13 of the plate 2 comes into contact with the tooth 12 of the first rocker 4 and will cause said rocker in the direction of arrow A1, which itself will cause the second rocker 5 in the direction of arrow B2. It is a phase of release of the second rocker 5 where on the one hand the horn 29 can slide on the rear flank 36 of the second horn 28 of the first rocker 4 and where on the other hand the outer edge 46 of the tab 14 of the first lever 4 can be erased in front of the locking face 23 of the tooth 8. Note that the second vertex 52 of the second seesaw 5 can pass without rubbing in front of the teeth 8 of the exhaust wheel 3.
- the first rocker 4 continues its course in the direction of arrow A1, driven as it is by the plate 2.
- the tooth 13 of the plate is fully engaged between the two teeth 11 and 12 of the first lever 4.
- the tooth 8 of the exhaust wheel 3 has entered the second housing 9 of the first flip-flop 4 and the impulse face 24 of the tooth 8 comes into contact with the edge 25 of the second rocker 4.
- the escape wheel 3 is then driven in the direction of the arrow F via the gear train, the last element 40 of which has been shown in figure 1. It is an impulse phase which launches the plate 2 in the direction of the arrow E and rotates the first rocker 4 in the direction of arrow A1, until the first rocker 4 meets the locking face 23 of a tooth 8 of the wheel 3 exhaust.
- the first drive tooth 16 latch 4 meshes in the third housing 20 of the second latch 5 and thus drives it in the direction of arrow B2, opposite to the direction of arrow A1.
- the situation of the first flip-flop 4 is the same as that described above at the difference is that its tooth 11 adjoins the edge 38 of the plate 2 to prevent any reversal. Plate 2 continues to rotate in the direction of arrow E and travels the first half-wave of its second free oscillation. The scales 4 and 5 and the wheel 3 are still blocked.
- the plate 2 After having gone through its first alternation, the plate 2 returns in direction reverse shown by arrow M and cycles through the second half of its second free oscillation.
- the second rocker 5 always blocks the wheel 3 and the first rocker 4 which is always prevented from overturning by the action of its tooth 11 against the edge 38 of the plate 2.
- the mechanism is still blocked.
- the escape wheel 3 is blocked because the locking face 23 of its tooth 8 rests against the curved cutout 21 of the second vertex 52 of the second flip-flop 5, which is therefore also blocked.
- the excursion angle of the first and second scales 4 and 5 is at the end of its travel since the first horn 27 of the first lever 4 rests on the rear flank 39 of the tooth of the escape wheel 3.
- the first lever 4 is blocked by the lug 14 which is housed in the first housing 17 complementary to the second rocker 5. At this moment the balance spring is close to the end of oscillation (arrow M) or close to the end of second alternation of this oscillation.
- Tooth 13 of plate 2 enters contact with tooth 11 of the first rocker 4 which will cause the latter in the direction of arrow B1, which itself will cause the second rocker 5 in the direction of arrow A2, reverse to direction of arrow B1. It is a phase of release of the first lever 4 where on the one hand the first horn 27 can slide on the rear flank 39 of the tooth 8 and where on the other hand the drive tooth 10 of the second rocker 5 can mesh in the first housing 7 of the first rocker 4 and where the second vertex 52 of the second rocker 5 can be erased in front of the face 23 of tooth 8.
- the first rocker 4 continues its course in the direction of arrow B1, driven as it is by the plate 2.
- the tooth 13 of the plate is fully engaged between the two teeth 11 and 12 of the first lever 4.
- the tooth 8 of the escape wheel 3 has entered the first housing 17 of the second rocker and the impulse face 24 of tooth 8 comes into contact with the edge 26 of said rocker.
- the escape wheel 3 is then driven in the direction of the arrow F by the intermediary of the train, the last element of which has been shown in FIG. 1.
- the situation of the first flip-flop 4 is the same as that described above at the difference is that its tooth 11 adjoins the edge 38 of the plate 2 to prevent any reversal. Plate 2 continues to rotate in the direction of arrow M and travels the first half-wave of its second free oscillation. The scales 4 and 5 and the wheel 3 are still blocked.
- the plate 2 After having gone through its first alternation, the plate 2 returns in direction reverse shown by arrow E and cycles through the second half of its second free oscillation.
- the first rocker 4 always blocks the wheel 3 and the second tilt 5, and is always prevented from overturning by the action of its tooth 11 against the edge 38 of the plate 2.
- the impulse on the first rocker 4 is given by a tooth 8 the escape wheel 3 on an edge 25 produced on the rocker 4 (see FIG. 3), and the same for the impulse on the second rocker 5 given by a tooth of the wheel on an edge 26 (see FIG. 8).
- the portion of the tooth that gives this impulse is the second cut 24 which has an arcuate shape. This reminds the detent escapement known from the state of the art and used mainly in timekeeping. This is very economical in terms of energy expended since the contact of the parts involved is reduced to an edge rubbing on an arc of a circle.
- the escapement according to the invention is self-starting.
- first and second flip-flops 4 and 5 are communicated to the plate 2 by at least one intermediate piece, here called first and second flip-flops 4 and 5.
- first and second flip-flops 4 and 5 This is pronounced of the Swiss lever escapement where the impulse is transmitted to the chainring by a fork.
- Anchor escapement has a drawback, however. know the recoil of the escape wheel at the time of disengagement, this recoil having the disadvantage of braking the balance wheel and therefore consuming energy.
- the proposed system does not need to be lubricated. This is due to the contact surfaces reduced to the absolute minimum both with regard to the region where the momentum is given (edges 25 and 26 cut 24) that the region concerned by the clearance (cutout 23 of very small area).
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Steroid Compounds (AREA)
- Mechanical Operated Clutches (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
- Transmission Devices (AREA)
Abstract
Description
- la figure 1 est une vue plan globale de l'échappement selon l'invention,
- les figures 2 à 11 sont des vues agrandies en plan de l'échappement selon l'invention représenté en dix stades différents décrivant deux oscillations complètes du balancier,
- les figures 12 et 13 représentent un autre mode de réalisation selon l'invention correspondant respectivement aux figures 4 et 9.
Claims (9)
- Echappement (1) disposé entre un rouage et un plateau (2) auquel est attaché un balancier-spiral d'un garde-temps, le balancier étant apte à parcourir un arc d'oscillation libre et à recevoir des impulsions d'entretien des oscillations, cet échappement comportant une roue dentée (3) entraínée par le rouage, caractérisé par le fait qu'il comporte en outre une première et une seconde bascules (4 et 5) aptes à recevoir alternativement des impulsions engendrées par la roue dentée, la seconde bascule (5) étant également apte à transmettre les impulsions reçues à la première bascule (4), ladite première bascule étant apte à transmettre les impulsions reçues de la roue dentée et celles reçues de la seconde bascule audit plateau pour l'entraíner en rotation et entretenir les oscillations du balancier, lesdites première et seconde bascules étant arrangées pour bloquer alternativement ladite roue après chaque impulsion transmise.
- Echappement selon la revendication 1, caractérisé par le fait que la première bascule (4) est supportée par un arbre (6) pivotant librement dans une platine que comporte le garde-temps et que cette première bascule présente une forme sensiblement triangulaire dont un premier sommet (41) comporte deux dents (11 et 12) susceptibles d'engrener avec une dent unique (13) que comporte le plateau (2), dont un deuxième sommet (42) comporte un premier logement (7) dans lequel peut s'introduire l'extrémité d'une dent (8) de la roue dentée (3) pour soumettre la première bascule à une impulsion dans un premier sens (A1), et dont un troisième sommet (43) comporte un deuxième logement (9) dans lequel peut s'introduire l'extrémité d'une dent d'entraínement (10) de la seconde bascule (5) pour soumettre la première bascule à une impulsion dans un second sens (B1), inverse au premier sens (A1).
- Echappement selon la revendication 2, caractérisé par le fait que la première bascule (4) comprend notamment entre les deuxième et troisième sommets (42 et 43) une dent en forme de patte (14) présentant sur son bord extérieur (46) une configuration circulaire dont le rayon de courbure (R1) passe par l'axe de l'arbre (6) supportant la première bascule, que la seconde bascule (5) présente également une forme sensiblement triangulaire comprenant trois sommets (51, 52 et 53),un premier sommet (51), un deuxième sommet (52) comportant notamment un premier logement (17) de forme sensiblement complémentaire de la patte (14) de la première bascule et présentant sur son bord extérieur une découpe incurvée (21) dont le rayon de courbure (R2) passe par l'axe de l'arbre (19) supportant la seconde bascule, les deux rayons de courbure (R1 et R2) étant sensiblement égaux, ainsi qu'un troisième sommet (53) comportant un deuxième logement (18).
- Echappement selon la revendication 3, caractérisé par le fait que chacune des dents (8) de la roue dentée (3) présente un flanc avant (22) comportant une première découpe sommitale incurvée (23), dite face de blocage, dont le rayon de courbure (R3) est sensiblement le même que lesdits deux rayons de courbure (R1 et R2), ladite face de blocage étant susceptible de s'appuyer contre ledit bord extérieur (46) de la patte (14) de la première bascule (4) ou contre ladite découpe incurvée (21) du deuxième sommet (52) de la seconde bascule (5) pour bloquer ladite roue, et une seconde découpe (24) en arc de cercle, dite face d'impulsion, faisant suite à la première découpe (23), ladite face d'impulsion étant susceptible de s'appuyer contre une arête (25) définie par l'intersection dudit bord (46) de la patte et dudit premier logement (7) de la première bascule ou contre une arête (26) définie par l'intersection dudit deuxième sommet (52) et dudit premier logement (17) de la seconde bascule, pour entraíner respectivement les première deuxième bascules en rotation.
- Echappement selon la revendication 4, caractérisé par le fait que la première bascule (4) présente en outre une dent d'entraínement (16) entre ladite patte(14) et ledit troisième sommet (43), ladite dent d'entraínement (16) et ladite patte définissant un troisième logement (15) sur la première bascule (4) et en ce que la seconde bascule (5) présente en outre une dent en forme d'aileron (37) entre ladite dent d'entraínement (10) et ledit deuxième sommet (52), ledit troisième sommet (53) et ladite dent (10) de la seconde bascule définissant ledit deuxième logement (18) susceptible d'engrener avec le troisième sommet (43) de la première bascule, et ladite dent (10) et ledit aileron (37) de la seconde bascule définissant un troisième logement (20) susceptible d'engrener avec ladite dent d'entraínement (16) de la première bascule.
- Echappement selon la revendication 2, caractérisé par le fait que chacune des deux dents (11 et 12) occupant le premier sommet (41) de la première bascule (4) est dimensionnée pour jouxter le bord (38) du plateau (2) et empêcher ainsi le renversement de la première bascule pendant le parcours de l'arc d'oscillation libre du balancier.
- Echappement selon la revendication 4, caractérisé par le fait que l'excursion angulaire des première et seconde bascules (4 et 5) est limitée par des première et seconde cornes (27 et 29) se trouvant situées respectivement au deuxième sommet (42) de la première bascule et au troisième sommet (53) de la seconde bascule, la première corne (27) étant susceptible de venir buter contre un flanc arrière (39) d'une dent (8) de la roue dentée (3) et la seconde corne (29) étant susceptible de venir buter contre un flanc arrère (36) du troisième sommet (43) de la première bascule.
- Echappement selon la revendication 2, caractérisé par le fait que l'excursion angulaire des première et seconde bascules est limitée par trois goupilles (30, 31 et 47) fichées dans la platine du garde-temps.
- Echappement selon la revendication 6, caractérisé par le fait que les première et seconde bascules sont toujours liées en rotation l'une par rapport à l'autre.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01202461A EP1276021B1 (fr) | 2001-06-26 | 2001-06-26 | Echappement pour garde-temps |
DE60137211T DE60137211D1 (de) | 2001-06-26 | 2001-06-26 | Hemmung für einen Zeitmesser |
AT01202461T ATE419564T1 (de) | 2001-06-26 | 2001-06-26 | Hemmung für einen zeitmesser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01202461A EP1276021B1 (fr) | 2001-06-26 | 2001-06-26 | Echappement pour garde-temps |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1276021A1 true EP1276021A1 (fr) | 2003-01-15 |
EP1276021B1 EP1276021B1 (fr) | 2008-12-31 |
Family
ID=8180544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01202461A Expired - Lifetime EP1276021B1 (fr) | 2001-06-26 | 2001-06-26 | Echappement pour garde-temps |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1276021B1 (fr) |
AT (1) | ATE419564T1 (fr) |
DE (1) | DE60137211D1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2444860A1 (fr) * | 2010-10-21 | 2012-04-25 | Audemars Piguet (Renaud et Papi) SA | Mécanisme régulateur pour pièce d'horlogerie |
EP2466395A1 (fr) | 2010-12-14 | 2012-06-20 | Chopard Technologies SA | Ancre et échappement muni d'une telle ancre |
WO2012079976A1 (fr) | 2010-12-14 | 2012-06-21 | Chopard Technologies Sa | Ancre et échappement muni d'une telle ancre |
WO2013182243A1 (fr) * | 2012-06-07 | 2013-12-12 | Detra Sa | Dispositif d'echappement pour piece d'horlogerie |
WO2022075480A1 (fr) * | 2020-10-11 | 2022-04-14 | 時岡良一 | Modérateur d'échappement |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR913031A (fr) * | 1944-01-11 | 1946-08-27 | Beaumann & Cie H | échappement libre à cylindre pour pièces d'horlogerie |
EP1041459A1 (fr) | 1999-03-31 | 2000-10-04 | Ulysse Nardin S.A. | Echappement pour garde-temps |
-
2001
- 2001-06-26 EP EP01202461A patent/EP1276021B1/fr not_active Expired - Lifetime
- 2001-06-26 AT AT01202461T patent/ATE419564T1/de not_active IP Right Cessation
- 2001-06-26 DE DE60137211T patent/DE60137211D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR913031A (fr) * | 1944-01-11 | 1946-08-27 | Beaumann & Cie H | échappement libre à cylindre pour pièces d'horlogerie |
EP1041459A1 (fr) | 1999-03-31 | 2000-10-04 | Ulysse Nardin S.A. | Echappement pour garde-temps |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2444860A1 (fr) * | 2010-10-21 | 2012-04-25 | Audemars Piguet (Renaud et Papi) SA | Mécanisme régulateur pour pièce d'horlogerie |
EP2466395A1 (fr) | 2010-12-14 | 2012-06-20 | Chopard Technologies SA | Ancre et échappement muni d'une telle ancre |
WO2012079976A1 (fr) | 2010-12-14 | 2012-06-21 | Chopard Technologies Sa | Ancre et échappement muni d'une telle ancre |
WO2013182243A1 (fr) * | 2012-06-07 | 2013-12-12 | Detra Sa | Dispositif d'echappement pour piece d'horlogerie |
CN104364719A (zh) * | 2012-06-07 | 2015-02-18 | 迪特拉有限公司 | 用于计时器的擒纵装置 |
US9052694B2 (en) | 2012-06-07 | 2015-06-09 | Detra Sa | Escapement device for timepiece |
JP2015518965A (ja) * | 2012-06-07 | 2015-07-06 | デトラ ソシエテ アノニム | 時計用脱進装置 |
CN104364719B (zh) * | 2012-06-07 | 2017-03-15 | 迪特拉有限公司 | 用于计时器的擒纵装置 |
WO2022075480A1 (fr) * | 2020-10-11 | 2022-04-14 | 時岡良一 | Modérateur d'échappement |
Also Published As
Publication number | Publication date |
---|---|
DE60137211D1 (de) | 2009-02-12 |
EP1276021B1 (fr) | 2008-12-31 |
ATE419564T1 (de) | 2009-01-15 |
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