EP2156249B1 - Anchor escapement for a timepiece - Google Patents

Anchor escapement for a timepiece Download PDF

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Publication number
EP2156249B1
EP2156249B1 EP08750310.8A EP08750310A EP2156249B1 EP 2156249 B1 EP2156249 B1 EP 2156249B1 EP 08750310 A EP08750310 A EP 08750310A EP 2156249 B1 EP2156249 B1 EP 2156249B1
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EP
European Patent Office
Prior art keywords
wheel
teeth
mobile
anchor
escapement
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EP08750310.8A
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German (de)
French (fr)
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EP2156249A1 (en
Inventor
Thierry Conus
Andrés Cabezas Jurin
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Omega SA
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Omega SA
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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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/027—Wheels; Pinions; Spindles; Pivots planar toothing: shape and design

Definitions

  • the invention relates to an anchor escapement for a timepiece comprising an escapement wheel driven by a cog, a balance plate carrying an ankle and provided with a first impulse pallet arranged to cooperate with the teeth that carries the mobile and an articulated anchor on a pivot and equipped with a fork cooperating with the plateau pin, this anchor being provided with a second pulse pallet arranged to cooperate with the teeth on the mobile and first and second pallets of rest arranged to cooperate with the teeth that the mobile carries.
  • the escape mobile may be constituted by a single wheel or two coaxial mounted wheels and solidarity.
  • the drive of the mobile by the wheel is formed by an escape pinion mounted in a conventional manner on the axis of said mobile and not directly by one of the wheels constituting the mobile.
  • This construction comprises a mobile composed of two coaxial and integral escape wheels.
  • the first wheel cooperates with two pallets of rest and a pallet of pulse disposed on the balance plate bringing to the latter direct pulses.
  • the second wheel cooperates with a pulse pallet placed on the anchor, which brings to the plateau indirect impulses. This second wheel is driven directly by the teeth which it is provided and that by the last mobile constituting the wheel of the timepiece.
  • An object of the present invention is to further reduce the overall height of the exhaust. It achieves this purpose, in accordance with the appended claim 1, by providing an escapement anchor for a timepiece that has only one wheel driven directly by the wheel.
  • the figure 1 is a plan view of the exhaust mechanism according to a first embodiment of the invention.
  • This exhaust has a mobile escapement 1 driven by a gear 2 and a balance plate 3 (the latter not shown) carrying a pin 4.
  • the mobile escapement when it is in motion, rotates in the direction of the driven arrow 30 it is by the gear 2 which turns in the direction of the arrow 31.
  • the plate 3 is provided with a first impulse pallet 5 arranged to cooperate with the teeth 6 that the mobile 1 carries.
  • the escapement further comprises an anchor 8 articulated on a pivot 9 and equipped with a fork 10 cooperating with the This anchor is equipped with a second impulse pallet 11 arranged to cooperate with the teeth 6 that the mobile 1 carries and first and second pallets of rest 12 and 13 arranged to cooperate with the teeth 6 that door the mobile 1.
  • the fork 10 is equipped with a dart 24 which prevents the accidental tilting of the anchor 8.
  • the peg 4 which is in question here can be a sapphire piece or steel reported on the tray 3 as c is the case in the escapements of the ordinary art.
  • the peg may be made of a piece with the plate that it overcomes, or may be part of an element having a particular shape and fixed on the tray. It is the same for the different pallets 5, 10, 11 and 13 here brought into play. These can also be small pieces of sapphire embedded in the arms of the anchor 8 for the last three of them and in plateau 3 for the first.
  • these pallets can be made in one piece with the anchor respectively with the plate.
  • the present invention is remarkable in that the mobile 1 comprises a single escape wheel 1 and the teeth 6 which is equipped with this wheel meshes directly with the gear 2 and more precisely with the teeth 20 of the wheel.
  • This cog or finish is actually the set of wheels and sprockets which, the barrel, transmits the driving force to the escape wheel 1.
  • the wheel 2 shown here is the last wheel in the series often called the wheel of seconds. In a conventional movement, this second wheel meshes directly with the non-existent escape pinion in the present invention.
  • the anchor escapement for a timepiece illustrated in these figures comprises two escape wheels 14 and 15. However, apart from this difference, the operating principle of this escapement is the same as that of the present invention. A complete oscillation of the plateau 3 is illustrated on the Figures 2 to 13 and the different phases of operation will be analyzed below.
  • the plate 3 rotates in the direction of the arrow 30.
  • the escape wheel 1 is at rest, retained by the pallet rest 12 which bears on the tooth 40 of the first wheel 14.
  • the tail 23 which is provided with the anchor 8 is supported on the limiting pin 21.
  • the pin 4 of the plate 3 has penetrated into the free space that the fork 10 has come into contact with a tooth of this fork. This is the start of release phase of the pallet rest 12.
  • the plate 3 continues to rotate in the direction of the arrow 30 pivoting the anchor 8 in the direction of the arrow 32. This pivoting brings the pallet rest 12 to the end of the tooth 40 of the wheel 14 and to out of the grip of this tooth. This is the release phase of the escapement mobile 1. Note also that turning, the plate 3 led the first pulse pallet 5 which is provided to cut the trajectory of the tooth 50 of the first wheel 14 composing the mobile escape 1.
  • the escapement mobile 1 is released and rotates in the direction of the arrow 30 actuated that it is by the gear 2 whose last wheel rotates in the direction of the arrow 31.
  • the teeth of the first escape wheel 14 meshing directly with the teeth of the last wheel of the wheel 2, in this case, the tooth 20 drives the tooth 41 of the wheel 14.
  • the tooth 50 of the wheel 14 has caught the pulse pallet 5 secured to the plate 3, then get in touch with her. This is a pulse start phase intended to restart the plateau 3.
  • the figure 6 shows the rest of the tooth 49 of the first wheel 14 on the pallet of rest 13.
  • the plate 3 continues to rotate in the direction of the arrow 30 and the pin 4 is about to exit the fork 10.
  • the figure 7 shows the escapement of the invention in a state of total rest.
  • the pallet rest 13 has sunk deeper on the tooth 49 of the first wheel 14 and the tail 23 of the anchor 8 comes to bear on the limiting pin 22.
  • the plate 3 travels its supplementary arc in the direction of the arrow 30 and then reverses its direction and reverses path in the direction of the arrow 33. This phase marks the end of the first alternation composing the oscillation under examination.
  • the figure 8 shows an anchor 8 in the same situation as that analyzed above.
  • the plate 3 returning in the direction of the arrow 33, makes the pin 4 come into contact with the fork 10 of the anchor 8. This is a start-of-release phase of the escapement wheel 1.
  • the plate 3 continued its course in the direction of the arrow 33 and, via the pin 4 and the fork 10, drove the anchor 8 in the direction of the arrow 34.
  • the tail 23 of the anchor 8 took off of the limiting pin 22 and the pallet rest 13 has been extracted from the grip of the tooth 49 of the first wheel 14. This is a phase of release of the mobile escape 1.
  • the plate 3 has brought the second pallet of impulse 11 carried by the anchor 8 to cut the trajectory of the tooth 48 of the second escape wheel 15 making up the escapement wheel 1, which thus prepares the next impulse.
  • the figure 12 shows the rest of the tooth 47 of the first wheel 14 on the pallet rest 12.
  • the plate 3 continues to rotate in the direction of the arrow 33 and the pin 4 is about to leave the fork 10.
  • the figure 13 shows the escapement of the invention in a state of total rest.
  • the rest pallet 12 has sunk deeper on the tooth 47 of the first wheel 14 and the tail 23 of the anchor 8 is supported on the limiting pin 21.
  • the plateau 3 traverses its additional arc in the direction of the arrow 33 and reverses its direction and turns back path in the direction of the arrow 30.
  • This phase marks the end of the second alternation component oscillation under examination. From this moment a new cycle resumes and we find sacred in the situation of the beginning, that is to say, that represented in figure 2 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Gears, Cams (AREA)
  • Electromechanical Clocks (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Switches With Compound Operations (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Dowels (AREA)
  • Piles And Underground Anchors (AREA)
  • Table Equipment (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

The escapement has an escapement mobile (1) driven by a gear train (2), and a balancing roller (3) carrying a pin, where the roller is provided with an impulse pallet cooperated with teeth (6). The teeth carries the mobile, and an anchor (8) is articulated on a pivot (9) and equipped with a fork (10) matched with the pin. The anchor is provided with another impulse pallet (11) matched with the teeth, and rest pallets (12, 13) is matched with the teeth. The mobile includes a single escape wheel equipped with the teeth, where the wheel is directly meshed with the gear-train.

Description

L'invention est relative à un échappement à ancre pour pièce d'horlogerie comportant un mobile d'échappement entraîné par un rouage, un plateau de balancier portant une cheville et muni d'une première palette d'impulsion arrangée pour coopérer avec les dents que porte le mobile et une ancre articulée sur un pivot et équipée d'une fourchette coopérant avec la cheville de plateau, cette ancre étant munie d'une seconde palette d'impulsion arrangée pour coopérer avec les dents que porte le mobile et de première et seconde palettes de repos arrangées pour coopérer avec les dents que porte le mobile.The invention relates to an anchor escapement for a timepiece comprising an escapement wheel driven by a cog, a balance plate carrying an ankle and provided with a first impulse pallet arranged to cooperate with the teeth that carries the mobile and an articulated anchor on a pivot and equipped with a fork cooperating with the plateau pin, this anchor being provided with a second pulse pallet arranged to cooperate with the teeth on the mobile and first and second pallets of rest arranged to cooperate with the teeth that the mobile carries.

Un tel échappement est connu et décrit dans le document EP-B-18796 portant le nom de George Daniels comme inventeur. Cet échappement montre plusieurs modes d'exécution, le mobile d'échappement pouvant être constitué d'une roue unique ou de deux roues montées coaxiales et solidaires. Cependant dans ce document, l'entraînement du mobile par le rouage est réalisé par un pignon d'échappement monté de façon classique sur l'axe dudit mobile et non directement par l'une des roues constituant ce mobile.Such an exhaust is known and described in the document EP-B-18796 bearing the name of George Daniels as inventor. This exhaust shows several embodiments, the escape mobile may be constituted by a single wheel or two coaxial mounted wheels and solidarity. However, in this document, the drive of the mobile by the wheel is formed by an escape pinion mounted in a conventional manner on the axis of said mobile and not directly by one of the wheels constituting the mobile.

Pour simplifier le système proposé et surtout gagner de la place en hauteur, George Daniels a mis au point une construction qu'il appelle échappement coaxial extraplat et qu'il décrit en pages 249 à 252 de son ouvrage « La Montre : principes et méthodes de fabrication », Editions Scriptar S.A. La Conversion, Lausanne 1993 . Cette construction comporte un mobile composé de deux roues d'échappement coaxiales et solidaires. La première roue coopère avec deux palettes de repos et une palette d'impulsion disposée sur le plateau de balancier apportant à ce dernier des impulsions directes. La seconde roue coopère avec une palette d'impulsion disposée sur l'ancre, ce qui apporte au plateau des impulsions indirectes. Cette seconde roue est entraînée directement par les dents dont elle est pourvue et cela par le dernier mobile constituant le rouage de la pièce d'horlogerie. On n'a donc pas recours ici à l'habituel pignon d'échappement cité plus haut, ce qui contribue à diminuer l'épaisseur du système d'échappement. Ainsi est attribuée à un mobile d'échappement la double fonction de réceptrice du mouvement en provenance du rouage et de contribution à au moins une des fonctions d'échappement. Chez George Daniels, il s'agit uniquement d'une fonction d'impulsion indirecte et l'on comprendra que toute autre fonction attribuée au mobile, à l'exception de celle citée, constitue une nouveauté dans le domaine de ce type d'échappement.To simplify the proposed system and especially to gain room in height, George Daniels has developed a construction that he calls extra-flat coaxial escapement and that he described in pages 249 to 252 of his book "La Montre: principles and methods of manufacture", Editions Scriptar SA La Conversion, Lausanne 1993 . This construction comprises a mobile composed of two coaxial and integral escape wheels. The first wheel cooperates with two pallets of rest and a pallet of pulse disposed on the balance plate bringing to the latter direct pulses. The second wheel cooperates with a pulse pallet placed on the anchor, which brings to the plateau indirect impulses. This second wheel is driven directly by the teeth which it is provided and that by the last mobile constituting the wheel of the timepiece. It is therefore not used here the usual exhaust pinion mentioned above, which helps to reduce the thickness of the exhaust system. Thus is assigned to a mobile escape the dual function of receiving the movement from the gear train and contributing to at least one of the exhaust functions. In George Daniels, this is only an indirect impulse function and it will be understood that any other function attributed to the mobile, with the exception of the one mentioned, is a novelty in the field of this type of exhaust .

Un but de la présente invention est de réduire encore l'encombrement en hauteur de l'échappement. Elle atteint ce but, conformément à la revendication 1 annexée, en fournissant un échappement à ancre pour pièce d'horlogerie qui ne comporte qu'une seule roue entraînée directement par le rouage.An object of the present invention is to further reduce the overall height of the exhaust. It achieves this purpose, in accordance with the appended claim 1, by providing an escapement anchor for a timepiece that has only one wheel driven directly by the wheel.

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée qui va suivre, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en plan d'un mode d'exécution particulier de la présente invention, et
  • les figures 2 à 13 sont des vues en plan expliquant les phases de fonctionnement propres aux échappements du type correspondant au préambule de la présente description et correspondant donc également à l'échappement selon la présente invention. Les phases de fonctionnement représentées couvrent une oscillation complète du plateau de balancier.
Other features and advantages of the present invention will appear on reading the following detailed description, given solely by way of non-limiting example, and with reference to the appended drawings in which:
  • the figure 1 is a plan view of a particular embodiment of the present invention, and
  • the Figures 2 to 13 are plan views explaining the operating phases specific to the escapements of the type corresponding to the preamble of the present description and therefore also corresponding to the exhaust according to the present invention. The phases of operation shown cover a complete oscillation of the balance plate.

La figure 1 est une vue en plan du mécanisme d'échappement selon un premier mode d'exécution de l'invention. Cet échappement comporte un mobile d'échappement 1 entraîné par un rouage 2 et un plateau 3 de balancier (ce dernier non représenté) portant une cheville 4. Le mobile d'échappement 1, quand il est en mouvement, tourne dans le sens de la flèche 30 entraîné qu'il est par le rouage 2 qui tourne dans le sens de la flèche 31.The figure 1 is a plan view of the exhaust mechanism according to a first embodiment of the invention. This exhaust has a mobile escapement 1 driven by a gear 2 and a balance plate 3 (the latter not shown) carrying a pin 4. The mobile escapement 1, when it is in motion, rotates in the direction of the driven arrow 30 it is by the gear 2 which turns in the direction of the arrow 31.

Le plateau 3 est muni d'une première palette d'impulsion 5 arrangée pour coopérer avec les dents 6 que porte le mobile 1. L'échappement comprend encore une ancre 8 articulée sur un pivot 9 et équipée d'une fourchette 10 coopérant avec la cheville 4 du plateau 3. Cette ancre est équipée d'une seconde palette d'impulsion 11 arrangée pour coopérer avec les dents 6 que porte le mobile 1 et de première et seconde palettes de repos 12 et 13 arrangées pour coopérer avec les dents 6 que porte le mobile 1. La fourchette 10 est équipée d'un dard 24 qui prévient le basculement accidentel de l'ancre 8. La cheville 4 dont il est question ici peut être une pièce en saphir ou en acier rapportée sur le plateau 3 comme c'est le cas dans les échappements de l'art ordinaire. La présente invention n'est cependant pas limitée à ce genre d'exécution, la cheville pouvant être faite d'une pièce avec le plateau qu'elle surmonte, ou encore pouvant faire partie d'un élément présentant une forme particulière et fixée sur le plateau. Il en est de même des différentes palettes 5, 10, 11 et 13 ici mises en jeu. Celles-ci également peuvent être de petites pièces de saphir encastrées dans les bras de l'ancre 8 pour les trois dernières d'entre elles et dans le plateau 3 pour la première. Ici aussi l'invention n'est pas limitée à ce type d'exécution, ces palettes pouvant être faites d'une pièce avec l'ancre respectivement avec le plateau.The plate 3 is provided with a first impulse pallet 5 arranged to cooperate with the teeth 6 that the mobile 1 carries. The escapement further comprises an anchor 8 articulated on a pivot 9 and equipped with a fork 10 cooperating with the This anchor is equipped with a second impulse pallet 11 arranged to cooperate with the teeth 6 that the mobile 1 carries and first and second pallets of rest 12 and 13 arranged to cooperate with the teeth 6 that door the mobile 1. The fork 10 is equipped with a dart 24 which prevents the accidental tilting of the anchor 8. The peg 4 which is in question here can be a sapphire piece or steel reported on the tray 3 as c is the case in the escapements of the ordinary art. The present invention is however not limited to this kind of embodiment, the peg may be made of a piece with the plate that it overcomes, or may be part of an element having a particular shape and fixed on the tray. It is the same for the different pallets 5, 10, 11 and 13 here brought into play. These can also be small pieces of sapphire embedded in the arms of the anchor 8 for the last three of them and in plateau 3 for the first. Here too the invention is not limited to this type of execution, these pallets can be made in one piece with the anchor respectively with the plate.

Comme le montre bien la figure 1, la présente invention est remarquable en ce que le mobile 1 comprend une seule roue d'échappement 1 et que les dents 6 dont est équipée cette roue engrènent directement avec le rouage 2 et plus précisément avec les dents 20 de ce rouage. Ce rouage ou finissage est en fait l'ensemble des roues et des pignons qui, du barillet, transmet la force motrice à la roue d'échappement 1. Le rouage 2 illustré ici est la dernière roue de la série souvent appelée roue des secondes. Dans un mouvement classique, cette roue des secondes engrène directement avec le pignon d'échappement inexistant dans la présente invention.As the figure 1 , the present invention is remarkable in that the mobile 1 comprises a single escape wheel 1 and the teeth 6 which is equipped with this wheel meshes directly with the gear 2 and more precisely with the teeth 20 of the wheel. This cog or finish is actually the set of wheels and sprockets which, the barrel, transmits the driving force to the escape wheel 1. The wheel 2 shown here is the last wheel in the series often called the wheel of seconds. In a conventional movement, this second wheel meshes directly with the non-existent escape pinion in the present invention.

Un échappement du type correspondant au préambule de la présente description et ne comportant qu'une seule roue d'échappement est illustré en page 248 de l'ouvrage de George Daniels cité plus haut. La figure 1 de la présente invention montre qu'il est possible de remplacer la roue d'échappement du document cité par celle de l'invention, à configuration particulière, de telle façon qu'elle puisse être entraînée directement par le rouage 2 en même temps qu'elle remplit toute les fonctions d'échappement, à savoir qu'elle coopère avec les deux palettes d'impulsion 5 et 11 et les deux palettes de repos 12 et 13. On comprendra que la construction proposée prend extrêmement peu de place en hauteur et qu'elle est économique en nombre de pièces mises en jeu.An escapement of the type corresponding to the preamble of the present description and having only one escape wheel is illustrated on page 248 of the book by George Daniels cited above. The figure 1 of the present invention shows that it is possible to replace the escape wheel of the document cited by that of the invention, particular configuration, so that it can be driven directly by the gear 2 at the same time as it fulfills all the exhaust functions, namely that it cooperates with the two impulse pallets 5 and 11 and the two pallets of rest 12 and 13. It will be understood that the proposed construction takes up very little space in height and that it is economical in the number of coins involved.

On va expliquer maintenant le fonctionnement de l'échappement selon l'invention en s'appuyant sur les figures 2 à 13. L'échappement à ancre pour pièce d'horlogerie illustré sur ces figures comporte deux roues d'échappement 14 et 15. Toutefois, abstraction faite de cette différence, le principe de fonctionnement de cet échappement est le même que celui de la présente invention. Une oscillation complète du plateau 3 est illustrée sur les figures 2 à 13 et les différentes phases de fonctionnement vont être analysées ci-dessous.We will now explain the operation of the exhaust according to the invention based on the Figures 2 to 13 . The anchor escapement for a timepiece illustrated in these figures comprises two escape wheels 14 and 15. However, apart from this difference, the operating principle of this escapement is the same as that of the present invention. A complete oscillation of the plateau 3 is illustrated on the Figures 2 to 13 and the different phases of operation will be analyzed below.

En figure 2, le plateau 3 tourne dans le sens de la flèche 30. Le mobile d'échappement 1 est au repos, retenu qu'il est par la palette de repos 12 qui est en appui sur la dent 40 de la première roue 14. La queue 23 dont est munie l'ancre 8 est en appui sur la goupille de limitation 21. La cheville 4 du plateau 3 a pénétré dans l'espace libre que présente la fourchette 10 est entrée en contact avec une dent de cette fourchette. C'est la phase de début de dégagement de la palette de repos 12.In figure 2 , the plate 3 rotates in the direction of the arrow 30. The escape wheel 1 is at rest, retained by the pallet rest 12 which bears on the tooth 40 of the first wheel 14. The tail 23 which is provided with the anchor 8 is supported on the limiting pin 21. The pin 4 of the plate 3 has penetrated into the free space that the fork 10 has come into contact with a tooth of this fork. This is the start of release phase of the pallet rest 12.

Comme le montre la figure 3, le plateau 3 continue de tourner dans le sens de la flèche 30 faisant pivoter l'ancre 8 dans le sens de la flèche 32. Ce pivotement amène la palette de repos 12 à l'extrémité de la dent 40 de la roue 14 et à sortir de l'emprise de cette dent. C'est la phase de libération du mobile d'échappement 1. On remarquera par ailleurs qu'en tournant, le plateau 3 a mené la première palette d'impulsion 5 dont il est pourvu à couper la trajectoire de la dent 50 de la première roue 14 composant le mobile d'échappement 1.As shown in figure 3 , the plate 3 continues to rotate in the direction of the arrow 30 pivoting the anchor 8 in the direction of the arrow 32. This pivoting brings the pallet rest 12 to the end of the tooth 40 of the wheel 14 and to out of the grip of this tooth. This is the release phase of the escapement mobile 1. Note also that turning, the plate 3 led the first pulse pallet 5 which is provided to cut the trajectory of the tooth 50 of the first wheel 14 composing the mobile escape 1.

En figure 4 le mobile d'échappement 1 est libéré et tourne dans le sens de la flèche 30 actionné qu'il est par le rouage 2 dont la dernière roue tourne dans le sens de la flèche 31. Les dents de la première roue d'échappement 14 engrènent directement avec les dents de la dernière roue du rouage 2, en l'occurrence, la dent 20 entraîne la dent 41 de la roue 14. La dent 50 de la roue 14 a rattrapé la palette d'impulsion 5 solidaire du plateau 3, puis entre en contact avec elle. C'est une phase de début d'impulsion destinée à relancer le plateau 3.In figure 4 the escapement mobile 1 is released and rotates in the direction of the arrow 30 actuated that it is by the gear 2 whose last wheel rotates in the direction of the arrow 31. The teeth of the first escape wheel 14 meshing directly with the teeth of the last wheel of the wheel 2, in this case, the tooth 20 drives the tooth 41 of the wheel 14. The tooth 50 of the wheel 14 has caught the pulse pallet 5 secured to the plate 3, then get in touch with her. This is a pulse start phase intended to restart the plateau 3.

La phase de fin d'impulsion est montrée en figure 5. Le mobile d'échappement 1, tournant dans le sens de la flèche 30, a amené la dent 50 de la roue 14 dans la position montrée sur la figure, c'est-à-dire sur le point de lâcher prise d'avec la palette d'impulsion 5. On observera qu'en tournant, le plateau 3 a continué à entraîner par la cheville 4 l'ancre 8 dans le sens de la flèche 32, ce qui a pour conséquence d'amener la seconde palette de repos 13 à couper la trajectoire de la dent 49 de la première roue 14 et à préparer ainsi le premier repos.The end of pulse phase is shown in figure 5 . The escapement wheel 1, rotating in the direction of the arrow 30, has brought the tooth 50 of the wheel 14 into the position shown in the figure, that is to say about to let go of the wheel. Pulse pallet 5. It will be observed that by turning, the plate 3 has continued to drive the anchor 8 through the pin 4 in the direction of the arrow 32, which has the consequence of bringing the second pallet 13 to cut the path of the tooth 49 of the first wheel 14 and thereby prepare the first rest.

La figure 6 montre la prise de repos de la dent 49 de la première roue 14 sur la palette de repos 13. Le plateau 3 poursuit sa rotation dans le sens de la flèche 30 et la cheville 4 est sur le point de sortir de la fourchette 10.The figure 6 shows the rest of the tooth 49 of the first wheel 14 on the pallet of rest 13. The plate 3 continues to rotate in the direction of the arrow 30 and the pin 4 is about to exit the fork 10.

La figure 7 montre l'échappement de l'invention en état de repos total. Par effet de tirage provoqué par le couple exercé sur le mobile d'échappement 1, la palette de repos 13 s'est enfoncée plus profondément sur la dent 49 de la première roue 14 et la queue 23 de l'ancre 8 vient prendre appui sur la goupille de limitation 22. Dès cet instant le plateau 3 parcourt son arc supplémentaire selon le sens de la flèche 30 puis inverse son sens et rebrousse chemin selon le sens de la flèche 33. Cette phase marque la fin de la première alternance composant l'oscillation sous examen.The figure 7 shows the escapement of the invention in a state of total rest. By pulling effect caused by the torque exerted on the mobile escapement 1, the pallet rest 13 has sunk deeper on the tooth 49 of the first wheel 14 and the tail 23 of the anchor 8 comes to bear on the limiting pin 22. From this moment the plate 3 travels its supplementary arc in the direction of the arrow 30 and then reverses its direction and reverses path in the direction of the arrow 33. This phase marks the end of the first alternation composing the oscillation under examination.

La figure 8 montre une ancre 8 se trouvant dans la même situation que celle analysée ci-dessus. Ici cependant le plateau 3, revenant dans le sens de la flèche 33, fait entrer en contact la cheville 4 avec la fourchette 10 de l'ancre 8. C'est une phase de début de dégagement du mobile d'échappement 1.The figure 8 shows an anchor 8 in the same situation as that analyzed above. Here, however, the plate 3, returning in the direction of the arrow 33, makes the pin 4 come into contact with the fork 10 of the anchor 8. This is a start-of-release phase of the escapement wheel 1.

Comme cela est apparent en figure 9, le plateau 3 a poursuivi sa course dans le sens de la flèche 33 et, via la cheville 4 et la fourchette 10, a entraîné l'ancre 8 dans le sens de la flèche 34. La queue 23 de l'ancre 8 a décollé de la goupille de limitation 22 et la palette de repos 13 s'est extraite de l'emprise de la dent 49 de la première roue 14. C'est une phase de libération du mobile d'échappement 1. Ici encore, on remarquera qu'en tournant, le plateau 3 a amené la seconde palette d'impulsion 11 portée par l'ancre 8 à couper la trajectoire de la dent 48 de la seconde roue d'échappement 15 composant le mobile d'échappement 1, ce qui prépare ainsi la prochaine impulsion.As is apparent in figure 9 , the plate 3 continued its course in the direction of the arrow 33 and, via the pin 4 and the fork 10, drove the anchor 8 in the direction of the arrow 34. The tail 23 of the anchor 8 took off of the limiting pin 22 and the pallet rest 13 has been extracted from the grip of the tooth 49 of the first wheel 14. This is a phase of release of the mobile escape 1. Again, it will be noted that by turning, the plate 3 has brought the second pallet of impulse 11 carried by the anchor 8 to cut the trajectory of the tooth 48 of the second escape wheel 15 making up the escapement wheel 1, which thus prepares the next impulse.

En figure 10 le mobile d'échappement 1 est libéré et tourne dans le sens de la flèche 30 actionné par le rouage 2 comme on l'a expliqué plus haut. La dent 48 de la seconde roue 15 a rattrapé la palette d'impulsion 11 puis entre en contact avec elle. C'est à nouveau une phase de début d'impulsion destinée à relancer le plateau 3.In figure 10 the escapement mobile 1 is released and rotates in the direction of the arrow 30 actuated by the wheel 2 as explained above. The tooth 48 of the second wheel 15 has caught up with the impulse pallet 11 and then comes into contact with it. It is again a pulse start phase intended to restart the plateau 3.

La phase de fin d'impulsion est présentée en figure 11. Le mobile d'échappement 1, tournant dans le sens de la flèche 30, a amené la dent 48 de la seconde roue 15 dans la position illustrée par la figure, à savoir sur le point de lâcher prise. On observera à nouveau qu'en tournant dans le sens de la flèche 33, le plateau 3 a continué à entraîner par sa cheville 4 l'ancre 8 dans le sens de la flèche 34, ce qui a pour résultat d'amener la première palette de repos 12 à couper la trajectoire de la dent 47 de la première roue d'échappement 14 et à préparer ainsi le prochain repos.The end of impulse phase is presented in figure 11 . The escapement wheel 1, rotating in the direction of the arrow 30, brought the tooth 48 of the second wheel 15 in the position shown in the figure, namely on the point of letting go. It will be observed again that by turning in the direction of the arrow 33, the plate 3 continued to lead by his ankle 4 the anchor 8 in the direction of the arrow 34, which has the result of causing the first rest pallet 12 to cut the path of the tooth 47 of the first escape wheel 14 and thus prepare the next rest.

La figure 12 montre la prise de repos de la dent 47 de la première roue 14 sur la palette de repos 12. Le plateau 3 poursuit sa rotation dans le sens de la flèche 33 et la cheville 4 est sur le point de quitter la fourchette 10.The figure 12 shows the rest of the tooth 47 of the first wheel 14 on the pallet rest 12. The plate 3 continues to rotate in the direction of the arrow 33 and the pin 4 is about to leave the fork 10.

La figure 13 montre l'échappement de l'invention en état de repos total. Par effet de tirage, la palette de repos 12 s'est enfoncée plus profondément sur la dent 47 de la première roue 14 et la queue 23 de l'ancre 8 vient s'appuyer sur la goupille de limitation 21. Dès cet instant, le plateau 3 parcourt son arc supplémentaire selon le sens de la flèche 33 puis inverse son sens et rebrousse chemin selon le sens de la flèche 30. Cette phase marque la fin de la seconde alternance composant l'oscillation sous examen. A partir de ce moment un nouveau cycle reprend et l'on se retrouve dans la situation du début, c'est-à-dire celle représentée en figure 2.The figure 13 shows the escapement of the invention in a state of total rest. By pulling effect, the rest pallet 12 has sunk deeper on the tooth 47 of the first wheel 14 and the tail 23 of the anchor 8 is supported on the limiting pin 21. From this moment, the plateau 3 traverses its additional arc in the direction of the arrow 33 and reverses its direction and turns back path in the direction of the arrow 30. This phase marks the end of the second alternation component oscillation under examination. From this moment a new cycle resumes and we find ourselves in the situation of the beginning, that is to say, that represented in figure 2 .

Claims (1)

  1. Lever escapement for a timepiece including an escape wheel set (1) directly engaging a gear train (2) so as to be driven by the latter, a balance roller (3) carrying an impulse pin (4) and fitted with a first impulse pallet (5) arranged for cooperating with the teeth (6) of the escape wheel set and a lever (8) articulated on a pivot (9) and provided with a fork (10) that cooperates with the impulse pin, wherein said lever is fitted with a second impulse pallet (11) arranged for cooperating with the teeth of the escape wheel set and first (12) and second (13) locking pallets arranged for cooperating with the teeth (6) of the escape wheel set, characterized in that the escape wheel set (1) is made up of a single wheel.
EP08750310.8A 2007-05-30 2008-05-15 Anchor escapement for a timepiece Active EP2156249B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08750310.8A EP2156249B1 (en) 2007-05-30 2008-05-15 Anchor escapement for a timepiece

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07109193A EP1998236B1 (en) 2007-05-30 2007-05-30 Anchor escapement for a timepiece
EP08750310.8A EP2156249B1 (en) 2007-05-30 2008-05-15 Anchor escapement for a timepiece
PCT/EP2008/055984 WO2008145539A1 (en) 2007-05-30 2008-05-15 Lever escapement for timepiece

Publications (2)

Publication Number Publication Date
EP2156249A1 EP2156249A1 (en) 2010-02-24
EP2156249B1 true EP2156249B1 (en) 2014-11-19

Family

ID=39031012

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07109193A Active EP1998236B1 (en) 2007-05-30 2007-05-30 Anchor escapement for a timepiece
EP08750310.8A Active EP2156249B1 (en) 2007-05-30 2008-05-15 Anchor escapement for a timepiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07109193A Active EP1998236B1 (en) 2007-05-30 2007-05-30 Anchor escapement for a timepiece

Country Status (10)

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US (2) US8308346B2 (en)
EP (2) EP1998236B1 (en)
JP (2) JP5221649B2 (en)
KR (1) KR20080106040A (en)
CN (2) CN101711378B (en)
AT (1) ATE475913T1 (en)
DE (1) DE602007008077D1 (en)
HK (2) HK1127969A1 (en)
SG (1) SG148134A1 (en)
WO (1) WO2008145539A1 (en)

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EP2595005A1 (en) * 2011-11-16 2013-05-22 Omega SA Single-block mobile for a timepiece
JP5891076B2 (en) * 2012-03-09 2016-03-22 セイコーインスツル株式会社 Spur tooth, escape wheel provided with the hook tooth, ankle escapement, movement, mechanical timepiece, and torque transmission method
EP2645189B1 (en) * 2012-03-29 2016-02-03 Nivarox-FAR S.A. Flexible escapement mechanism
US9808798B2 (en) 2012-04-20 2017-11-07 California Institute Of Technology Fluidic devices for biospecimen preservation
US9822356B2 (en) 2012-04-20 2017-11-21 California Institute Of Technology Fluidic devices and systems for sample preparation or autonomous analysis
CH707171A2 (en) * 2012-11-09 2014-05-15 Nivarox Sa Horological limiting or transmission mechanism for limiting or transmitting angular movement of clockwork, has limiting or transmission unit fixed with component of clockwork by bistable flexible element or with structural element
CH707862A2 (en) * 2013-04-03 2014-10-15 Detra Sa An exhaust device for a timepiece movement.
JP6210535B2 (en) * 2013-07-25 2017-10-11 セイコーインスツル株式会社 Escapement, watch movement and watch
JP6206877B2 (en) * 2014-03-06 2017-10-04 セイコーインスツル株式会社 Escapement, watch movement and watch
JP6347439B2 (en) * 2014-03-06 2018-06-27 セイコーインスツル株式会社 Escapement, watch movement and watch
WO2016001740A2 (en) * 2014-07-03 2016-01-07 Preciflex Sa Clockwork mechanisms for double accumulation and power transmission dedicated mono-conrolled movement
JP6783773B2 (en) * 2015-08-25 2020-11-11 シチズン時計株式会社 Clock escapement
CN106707718B (en) * 2017-03-01 2019-01-29 谭泽华 Clock and watch split axle impacts release catch
JP6901877B2 (en) * 2017-03-13 2021-07-14 セイコーインスツル株式会社 Escapement, watch movements and watches
KR102621896B1 (en) * 2017-07-04 2024-01-08 주식회사 엘지생활건강 Timer and vessel having the same
EP3557334A1 (en) * 2018-04-17 2019-10-23 Dominique Renaud SA Escapement mechanism with lock pallet and timepiece comprising such an escapement mechanism
EP3824352A4 (en) 2018-07-19 2022-03-16 Janer, Werner Multi-cam, continuous-drive escapement mechanism
EP3901707B1 (en) * 2020-04-23 2024-02-28 ETA SA Manufacture Horlogère Suisse Escapement mechanism for a timepiece

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Also Published As

Publication number Publication date
HK1127969A1 (en) 2009-10-09
JP5221207B2 (en) 2013-06-26
CN101711378B (en) 2012-03-14
US8308346B2 (en) 2012-11-13
HK1144020A1 (en) 2011-01-21
JP2010540886A (en) 2010-12-24
CN101711378A (en) 2010-05-19
EP2156249A1 (en) 2010-02-24
KR20080106040A (en) 2008-12-04
DE602007008077D1 (en) 2010-09-09
US20100182879A1 (en) 2010-07-22
SG148134A1 (en) 2008-12-31
US20080298180A1 (en) 2008-12-04
WO2008145539A1 (en) 2008-12-04
EP1998236A1 (en) 2008-12-03
EP1998236B1 (en) 2010-07-28
US7661874B2 (en) 2010-02-16
CN101334629A (en) 2008-12-31
JP5221649B2 (en) 2013-06-26
ATE475913T1 (en) 2010-08-15
JP2008298774A (en) 2008-12-11
CN101334629B (en) 2012-03-14

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