EP1998236B1 - Anchor escapement for a timepiece - Google Patents

Anchor escapement for a timepiece Download PDF

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Publication number
EP1998236B1
EP1998236B1 EP07109193A EP07109193A EP1998236B1 EP 1998236 B1 EP1998236 B1 EP 1998236B1 EP 07109193 A EP07109193 A EP 07109193A EP 07109193 A EP07109193 A EP 07109193A EP 1998236 B1 EP1998236 B1 EP 1998236B1
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EP
European Patent Office
Prior art keywords
wheel
teeth
pallet
impulse
escapement
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
EP07109193A
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German (de)
French (fr)
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EP1998236A1 (en
Inventor
Thierry Conus
Andrés Cabezas Jurin
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.)
Omega SA
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Omega 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.)
Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Priority to AT07109193T priority Critical patent/ATE475913T1/en
Priority to DE602007008077T priority patent/DE602007008077D1/en
Priority to EP07109193A priority patent/EP1998236B1/en
Priority to JP2010509782A priority patent/JP5221649B2/en
Priority to US12/602,011 priority patent/US8308346B2/en
Priority to EP08750310.8A priority patent/EP2156249B1/en
Priority to CN200880018005XA priority patent/CN101711378B/en
Priority to PCT/EP2008/055984 priority patent/WO2008145539A1/en
Priority to SG200804023-0A priority patent/SG148134A1/en
Priority to JP2008138205A priority patent/JP5221207B2/en
Priority to KR1020080049745A priority patent/KR20080106040A/en
Priority to CN2008101428251A priority patent/CN101334629B/en
Priority to US12/130,487 priority patent/US7661874B2/en
Publication of EP1998236A1 publication Critical patent/EP1998236A1/en
Priority to HK09105369.3A priority patent/HK1127969A1/en
Application granted granted Critical
Publication of EP1998236B1 publication Critical patent/EP1998236B1/en
Priority to HK10110571.4A priority patent/HK1144020A1/en
Active legal-status Critical Current
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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 carried by the mobile, the escape wheel comprising at least two coaxial and solid wheels.
  • the present invention in addition that it obeys what is explained in the first paragraph above is original in that the teeth which is equipped with a first of said two wheels of the mobile exhaust mesh directly with the gear while cooperating with at least one pallet of rest.
  • the figure 1 is a plan view of the exhaust mechanism according to a first embodiment of the invention. This embodiment is not covered by the claims but is useful for understanding the invention.
  • This escapement comprises an escapement wheel 1 driven by a wheel 2 and a balance plate 3 (the latter not shown) carrying a pin 4.
  • the escapement wheel 1 when it is in motion, turns in the direction of the 30 arrow driven that it is by the gear 2 which rotates 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.
  • the various pallets 6, 10, 11 and 13 used here. can also be small sapphire pieces that are recessed. in the arms of the anchor 8 for the last three of them and in the tray 3 for the first.
  • these pallets can be made in one piece with the anchor respectively with the plate.
  • the mobile 1 comprises at least one wheel - here a single escape wheel 1 - and that the teeth 6 which is equipped with this wheel meshes directly with the gear 2 and more precisely with the teeth 20 of this cog.
  • 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 of 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 figure 2 is a plan view of the exhaust mechanism according to a first embodiment of the invention.
  • the escapement wheel 1 comprises at least first and second wheels 14 and 15 coaxial and secured - here two exhaust wheels.
  • the teeth 6 of the first wheel 14 mesh with the teeth 20 of the gear train 1, the teeth 6 of said first wheel 14 cooperating with at least one pallet of rest 12.
  • FIG. 1 shows that the first impulse pallet 5 and the first and second pallet rest 12 and 13 cooperate with the teeth 6 that carries the first wheel 14 and the second impulse pallet 11 cooperates with the teeth 7 that carries the second wheel 15.
  • the stroke of the anchor 8 is limited by two pins 21 and 22. The operation of this embodiment will be explained later.
  • the fork 10 is normally equipped with a dart in the image of that shown with respect to the first embodiment. It has not been illustrated here to simplify the drawing.
  • the escape wheel which meshes with the gear cooperates with at least one pallet rest. This is new compared to the ultra-flat coaxial escapement proposed by George Daniels where the wheel cooperates with the pulse pallet implanted in the anchor. This new arrangement allows several particular modes of execution and in particular a second mode which will be briefly described now.
  • This second embodiment (not shown) is original in that the first and second impulse vanes 5 and 11 cooperate with the teeth 7 that the second wheel 15 carries, the first and second pallets of rest 12 and 13 cooperating with each other. with the teeth 6 that carries the first wheel 14, this first wheel also being in engagement with the teeth 20 of the gear 2.
  • the plate 3 rotates in the direction of the arrow 30.
  • the mobile escape 1 is at rest, retained that it is by the pallet of rest 12 which is supported on the tooth 40 of the first wheel 14.
  • the tail 23 which is provided with the anchor 8 bears on the limiting pin 21.
  • the pin 4 of the plate 3 has penetrated into the free space that presents the fork 10 has come into contact with a tooth of this range. 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 end of pulse phase is shown in figure 6 .
  • 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.
  • the figure 7 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 8 shows the escapement of the invention in a state of total rest.
  • the pallet rest 13 sank deeper on the tooth 49 of the first wheel 14 and the tail 23 of the anchor 8 is supported by the limitation pin 22.
  • the plate 3 travels its supplementary arc in the direction of the arrow 30 then reverses its direction and turns back path in the direction of the arrow 33. This phase marks the end of the first alternation component the oscillation under examination.
  • the figure 9 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 13 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 14 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 3 .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Gears, Cams (AREA)
  • Electromechanical Clocks (AREA)
  • Switches With Compound Operations (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Dowels (AREA)
  • Piles And Underground Anchors (AREA)
  • Table Equipment (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, le mobile d'échappement comprenant au moins deux roues coaxiales et solidaires.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 carried by the mobile, the escape wheel comprising at least two coaxial and solid wheels.

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. 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 escape shows several modes of execution. 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 he calls coaxial exhaust extra flat and described on pages 249 to 252 of his book "The Watch: Principles and Manufacturing Methods, 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 impulse disposed on the balance plate bringing to the latter direct impulses. The second wheel cooperates with an impulse pallet arranged on the anchor, which brings indirect impulses to the plate. 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 autre exemple d'un échappement du type "Daniels" est également divilgué dans le document EP 1 045 297 .Another example of a "Daniels" escapement is also divulged in the document EP 1 045 297 .

Ainsi, la présente invention, en plus qu'elle obéit à ce qui est exposé au premier paragraphe ci-dessus est originale en ce que les dents dont est équipée une première des dites deux roues du mobile d'échappement engrènent directement avec le rouage tout en coopérant avec au moins une palette de repos.Thus, the present invention, in addition that it obeys what is explained in the first paragraph above is original in that the teeth which is equipped with a first of said two wheels of the mobile exhaust mesh directly with the gear while cooperating with at least one pallet of rest.

L'invention va être expliquée maintenant en détail ci-dessous par plusieurs modes d'exécution dont deux sont illustrés par des dessins, ces modes d'exécution étant donnés à titre d'exemples non limitatifs, dessins dans lesquels :

  • la figure 1 est une vue en plan d'un premier mode d'exécution qui n'est pas couvert par les revendications et où le mobile d'échappement ne comporte qu'une seule roue,
  • la figure 2 est une vue en plan d'un second mode d'exécution où le mobile d'échappement comporte deux roues solidaires et coaxiales, et
  • les figures 3 à 14 sont des vues en plan expliquant les phases de fonctionnement de l'échappement selon le second mode d'exécution de l'invention, ces phases couvrant une oscillation complète du plateau de balancier.
The invention will now be explained in detail below by several embodiments, two of which are illustrated by drawings, these embodiments being given by way of nonlimiting examples, drawings in which:
  • the figure 1 is a plan view of a first embodiment which is not covered by the claims and wherein the escape wheel has only one wheel,
  • the figure 2 is a plan view of a second embodiment in which the escape wheel comprises two integral and coaxial wheels, and
  • the Figures 3 to 14 are plan views explaining the operating phases of the exhaust according to the second embodiment of the invention, these phases covering 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. Ce mode d'exécution n'est pas couvert par les revendications mais il est utile à la compréhension 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 embodiment is not covered by the claims but is useful for understanding the invention. This escapement comprises an escapement wheel 1 driven by a wheel 2 and a balance plate 3 (the latter not shown) carrying a pin 4. The escapement wheel 1, when it is in motion, turns in the direction of the 30 arrow driven that it is by the gear 2 which rotates 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 6, 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. The same is true of the various pallets 6, 10, 11 and 13 used here. These can also be small sapphire pieces that are recessed. in the arms of the anchor 8 for the last three of them and in the tray 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, cet exemple est remarquable en ce que le mobile 1 comprend au moins une roue - ici 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 , this example is remarkable in that the mobile 1 comprises at least one wheel - here a single escape wheel 1 - and that the teeth 6 which is equipped with this wheel meshes directly with the gear 2 and more precisely with the teeth 20 of this cog. 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 of 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 montrant une roue unique 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 du document cité par celle de cet exemple, 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 showing a single wheel is shown on page 248 of George Daniels' work cited above. The figure 1 of the present invention shows that it is possible to replace the wheel of the document cited by that of this example, particular configuration, so that it can be driven directly by the wheel 2 at the same time it fills 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 extremely little height and is economical in number of pieces put into play.

Comme le mode de fonctionnement de cet échappement est semblable à celui exposé plus bas à propos du second mode d'exécution, on renvoie le lecteur à ce qui est dit plus loin.Since the mode of operation of this escapement is similar to that explained below with regard to the second embodiment, the reader is referred to what is said below.

La figure 2 est une vue en plan du mécanisme d'échappement selon un premier mode d'exécution de l'invention. Ici le mobile d'échappement 1 comprend au moins des premières et secondes roues 14 et 15 coaxiales et solidaires - ici deux roues d'échappement. Les dents 6 de la première roue 14 engrènent avec les dents 20 du rouage 1, les dents 6 de ladite première roue 14 coopérant avec au moins une palette de repos 12.The figure 2 is a plan view of the exhaust mechanism according to a first embodiment of the invention. Here the escapement wheel 1 comprises at least first and second wheels 14 and 15 coaxial and secured - here two exhaust wheels. The teeth 6 of the first wheel 14 mesh with the teeth 20 of the gear train 1, the teeth 6 of said first wheel 14 cooperating with at least one pallet of rest 12.

Plus précisément la figure 1 montre que la première palette d'impulsion 5 et les première et seconde palettes de repos 12 et 13 coopèrent avec les dents 6 que porte la première roue 14 et que la seconde palette d'impulsion 11 coopère avec les dents 7 que porte la seconde roue 15. On notera que, comme pour le premier mode d'exécution, la course de l'ancre 8 est limitée par deux goupilles 21 et 22. Le fonctionnement de ce mode d'exécution sera expliqué plus loin.More specifically figure 1 shows that the first impulse pallet 5 and the first and second pallet rest 12 and 13 cooperate with the teeth 6 that carries the first wheel 14 and the second impulse pallet 11 cooperates with the teeth 7 that carries the second wheel 15. Note that, as for the first embodiment, the stroke of the anchor 8 is limited by two pins 21 and 22. The operation of this embodiment will be explained later.

La fourchette 10 est normalement équipée d'un dard à l'image de celui montré à propos du premier mode d'exécution. II n'a pas été illustré ici pour simplifier le dessin.The fork 10 is normally equipped with a dart in the image of that shown with respect to the first embodiment. It has not been illustrated here to simplify the drawing.

On remarquera que dans ce mode d'exécution la roue d'échappement qui engrène avec le rouage coopère avec au moins une palette de repos. Ceci est nouveau par rapport à l'échappement coaxial extraplat proposé par George Daniels où la roue coopère avec la palette d'impulsion implantée dans l'ancre. Cette nouvelle disposition autorise plusieurs modes d'exécution particuliers et notamment un second mode qui va être brièvement décrit maintenant.Note that in this embodiment the escape wheel which meshes with the gear cooperates with at least one pallet rest. This is new compared to the ultra-flat coaxial escapement proposed by George Daniels where the wheel cooperates with the pulse pallet implanted in the anchor. This new arrangement allows several particular modes of execution and in particular a second mode which will be briefly described now.

Ce second mode d'exécution (non illustré) est original en ce sens que les première et seconde palettes d'impulsion 5 et 11 coopèrent avec les dents 7 que porte la seconde roue 15, les première et seconde palettes de repos 12 et 13 coopérant avec les dents 6 que porte la première roue 14, cette première roue étant également en prise avec les dents 20 du rouage 2.This second embodiment (not shown) is original in that the first and second impulse vanes 5 and 11 cooperate with the teeth 7 that the second wheel 15 carries, the first and second pallets of rest 12 and 13 cooperating with each other. with the teeth 6 that carries the first wheel 14, this first wheel also being in engagement with the teeth 20 of the gear 2.

On va expliquer maintenant le fonctionnement de l'échappement selon l'invention. On se servira pour cela du premier mode d'exécution comportant deux roues d'échappement 14 et 15. Une oscillation complète du plateau 3 est illustrée sur les figures 3 à 14 et les différentes phases de fonctionnement vont être analysées ci-dessous.We will now explain the operation of the exhaust according to the invention. To do this, it will be used for the first embodiment comprising two escape wheels 14 and 15. A complete oscillation of the plate 3 is illustrated on FIGS. Figures 3 to 14 and the different phases of operation will be analyzed below.

En figure 3, 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 3 , the plate 3 rotates in the direction of the arrow 30. The mobile escape 1 is at rest, retained that it is by the pallet of rest 12 which is supported on the tooth 40 of the first wheel 14. The tail 23 which is provided with the anchor 8 bears on the limiting pin 21. The pin 4 of the plate 3 has penetrated into the free space that presents the fork 10 has come into contact with a tooth of this range. This is the start of release phase of the pallet rest 12.

Comme le montre la figure 4, 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 4 , 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 5 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 5 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 6. 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 6 . 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 7 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 7 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 8 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 8 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 sank deeper on the tooth 49 of the first wheel 14 and the tail 23 of the anchor 8 is supported by the limitation pin 22. From this moment the plate 3 travels its supplementary arc in the direction of the arrow 30 then reverses its direction and turns back path in the direction of the arrow 33. This phase marks the end of the first alternation component the oscillation under examination.

La figure 9 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 9 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 10, 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 10 , 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 11 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 11 the escape wheel 1 is released and rotates in the direction of the arrow 30 actuated by the wheel 2 as explained more high. 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 12. 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 12 . 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 has continued to drive by its peg 4 the anchor 8 in the direction of the arrow 34, which results in bringing the first pallet rest 12 to cut the path of the tooth 47 of the first escape wheel 14 and thus prepare the next rest.

La figure 13 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 13 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 14 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 3.The figure 14 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 3 .

Claims (3)

  1. Lever escapement for a timepiece including an escape wheel set (1) driven by a gear train (2), a balance roller (3) carrying an impulse pin (4) and fitted with a first impulse pallet (5) arranged for cooperating with the teeth (6, 7) of the wheel set and a pallet assembly (8) articulated on a pivot (9) and fitted with a fork (10) cooperating with the impulse pin, said pallet assembly being fitted with a second impulse pallet (11) arranged for cooperating with the teeth of the wheel set and first (12) and second (13) locking pallets arranged for cooperating with the teeth of the wheel set, wherein the escape wheel set (1) includes at least first (14) and second (15) coaxial wheels secured to each other and wherein the teeth (6) of the first wheel (14) mesh directly with said gear train (2), characterized in that the teeth of said first wheel cooperate with at least one locking pallet (12).
  2. Escapement according to claim 1, characterized in that the first impulse pallet (5) and the first (12) and second (13) locking pallets cooperate with the teeth (6) of the first wheel (14) and in that the second impulse pallet (11) cooperates with the teeth (7) carried by the second wheel (15).
  3. Escapement according to claim 1, characterized in that the first (5) and second (11) impulse pallets cooperate with the teeth (7) carried by the second wheel (15) and in that the first (12) and second (13) locking pallets cooperate with the teeth (6) carried by the first wheel (14).
EP07109193A 2007-05-30 2007-05-30 Anchor escapement for a timepiece Active EP1998236B1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
AT07109193T ATE475913T1 (en) 2007-05-30 2007-05-30 ANCHOR ESCAPEMENT FOR WATCHES
DE602007008077T DE602007008077D1 (en) 2007-05-30 2007-05-30 Anchor escapement for watches
EP07109193A EP1998236B1 (en) 2007-05-30 2007-05-30 Anchor escapement for a timepiece
US12/602,011 US8308346B2 (en) 2007-05-30 2008-05-15 Lever escapement for a timepiece
EP08750310.8A EP2156249B1 (en) 2007-05-30 2008-05-15 Anchor escapement for a timepiece
CN200880018005XA CN101711378B (en) 2007-05-30 2008-05-15 Lever escapement for timepiece
PCT/EP2008/055984 WO2008145539A1 (en) 2007-05-30 2008-05-15 Lever escapement for timepiece
JP2010509782A JP5221649B2 (en) 2007-05-30 2008-05-15 Watch lever escapement
SG200804023-0A SG148134A1 (en) 2007-05-30 2008-05-27 Lever escapement for a timepiece
JP2008138205A JP5221207B2 (en) 2007-05-30 2008-05-27 Watch lever escapement
KR1020080049745A KR20080106040A (en) 2007-05-30 2008-05-28 Lever escapement for a timepiece
CN2008101428251A CN101334629B (en) 2007-05-30 2008-05-29 Anchor escapement for a timepiece
US12/130,487 US7661874B2 (en) 2007-05-30 2008-05-30 Lever escapement for a timepiece
HK09105369.3A HK1127969A1 (en) 2007-05-30 2009-06-16 Lever escapement for a timepiece
HK10110571.4A HK1144020A1 (en) 2007-05-30 2010-11-12 Lever escapement for timepiece

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
EP1998236A1 EP1998236A1 (en) 2008-12-03
EP1998236B1 true EP1998236B1 (en) 2010-07-28

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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 After (1)

Application Number Title Priority Date Filing Date
EP08750310.8A Active EP2156249B1 (en) 2007-05-30 2008-05-15 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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EP2407830B1 (en) * 2010-07-15 2014-11-05 Rolex Sa Timepiece
EP2450755B1 (en) * 2010-11-04 2015-01-21 Nivarox-FAR S.A. Synchronous escapement for clockwork
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
CH706274B1 (en) * 2012-03-29 2016-12-15 Nivarox Far Sa A clock exhaust mechanism comprising a one-piece flexible mechanism for transmitting pulses between the balance and the escapement wheel.
WO2013159116A1 (en) 2012-04-20 2013-10-24 University Of Chicago Fluidic devices for biospecimen preservation
CA2870999A1 (en) 2012-04-20 2013-10-24 SlipChip, LLC Fluidic devices and systems for sample preparation or autonomous analysis
EP2730980B1 (en) * 2012-11-09 2018-08-29 Nivarox-FAR S.A. Clockwork limitation or transmission mechanism
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
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WO2017033688A1 (en) * 2015-08-25 2017-03-02 シチズン時計株式会社 Watch escapement
CN106707718B (en) * 2017-03-01 2019-01-29 谭泽华 Clock and watch split axle impacts release catch
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Also Published As

Publication number Publication date
KR20080106040A (en) 2008-12-04
WO2008145539A1 (en) 2008-12-04
US20100182879A1 (en) 2010-07-22
EP2156249B1 (en) 2014-11-19
US7661874B2 (en) 2010-02-16
DE602007008077D1 (en) 2010-09-09
ATE475913T1 (en) 2010-08-15
JP2010540886A (en) 2010-12-24
US20080298180A1 (en) 2008-12-04
EP2156249A1 (en) 2010-02-24
CN101711378A (en) 2010-05-19
HK1127969A1 (en) 2009-10-09
SG148134A1 (en) 2008-12-31
JP5221649B2 (en) 2013-06-26
CN101334629B (en) 2012-03-14
CN101711378B (en) 2012-03-14
CN101334629A (en) 2008-12-31
JP5221207B2 (en) 2013-06-26
JP2008298774A (en) 2008-12-11
US8308346B2 (en) 2012-11-13
HK1144020A1 (en) 2011-01-21
EP1998236A1 (en) 2008-12-03

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