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EP1983390B1 - Lever escapement comprising two escape wheels - Google Patents

Lever escapement comprising two escape wheels Download PDF

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Publication number
EP1983390B1
EP1983390B1 EP07106378A EP07106378A EP1983390B1 EP 1983390 B1 EP1983390 B1 EP 1983390B1 EP 07106378 A EP07106378 A EP 07106378A EP 07106378 A EP07106378 A EP 07106378A EP 1983390 B1 EP1983390 B1 EP 1983390B1
Authority
EP
European Patent Office
Prior art keywords
pallet
wheel
mobile
teeth
impulse
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
EP07106378A
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German (de)
French (fr)
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EP1983390A1 (en
Inventor
Andrés Cabezas Jurin
Thierry Conus
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to DE602007003075T priority Critical patent/DE602007003075D1/en
Priority to EP07106378A priority patent/EP1983390B1/en
Priority to AT07106378T priority patent/ATE447731T1/en
Priority to JP2008106167A priority patent/JP5153429B2/en
Priority to CN200810092953XA priority patent/CN101329547B/en
Priority to US12/105,558 priority patent/US7604395B2/en
Publication of EP1983390A1 publication Critical patent/EP1983390A1/en
Priority to HK09105324.7A priority patent/HK1127953A1/en
Application granted granted Critical
Publication of EP1983390B1 publication Critical patent/EP1983390B1/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
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands

Definitions

  • the present invention relates to an anchor escapement for a timepiece comprising a first escapement driven by a first wheel, a balance plate carrying an ankle and a first pulse pallet arranged to cooperate with the teeth that carries the first mobile and an articulated anchor on a pivot and provided with a fork cooperating with the plateau pin, a second pulse pallet arranged to cooperate with the teeth of the first mobile, and first and second fixed pallets arranged to cooperate with the teeth of the first mobile.
  • the exhaust comprises a second escapement driven by a second wheel
  • the plate carries a third pulse pallet arranged to cooperate with the teeth that carries the second mobile and that the anchor is provided with a fourth arranged pulse pallet to cooperate with the teeth of the second mobile and third and fourth pallets arranged to cooperate with the teeth of said second mobile.
  • the figure 1 is a plan view of the exhaust mechanism according to a first embodiment of the present invention.
  • This exhaust comprises a first escapement mobile 1 comprising only one wheel driven by a first gear train, not shown. When the mobile 1 is free, it rotates in the counterclockwise direction shown by the arrow 30.
  • the exhaust also comprises a platform 3 balance not shown.
  • This plate 3 carries an ankle 4 and a first pulse pallet 5, this pallet being arranged to cooperate with the teeth carried by the first mobile 1.
  • the escapement further comprises an anchor 6 articulated on a pivot 7.
  • This anchor is provided with a fork 8 cooperating with the ankle 4 of plate 3.
  • the anchor 6 still carries a second impulse pallet 9 arranged to cooperate with the teeth of the first mobile 1 and first and second pallets 10 and 11 arranged to also cooperate with said first mobile 1.
  • the present invention is remarkable in that the exhaust comprises a second exhaust mobile 2 driven by a second gear train, not shown.
  • the mobile 2 When the mobile 2 is free, it turns in the clockwise direction shown by the arrow 31.
  • the mobile 2 comprises only one wheel and the plate 3 carries a third pulse pallet 12 arranged for cooperate with the teeth worn by the second mobile 2.
  • the anchor 6 is provided with a fourth pulse pallet 13 arranged to cooperate with the teeth of the second mobile 2, this anchor being further equipped with third and fourth pallets 14 and 15 arranged to cooperate with the teeth said second mobile 2.
  • the figure 2 is a plan view of a second embodiment of the invention.
  • the first escapement mobile 1 is not a single wheel but has first and second wheels 16 and 18 integral with each other and mounted coaxially on one another. It is the same for the second mobile escapement 2 which is composed of first and second wheels 17 and 19 integral and coaxial.
  • the figure 2 shows that the exhaust comprises a plate 3 equipped with the same impulse paddles 5 and 12 as those fitted to the plate 3 of the first embodiment.
  • an anchor 6 equipped with a fork 8 cooperating with the peg 4 of which the plate 3 is provided.
  • the anchor 6 is equipped with the same paddle vanes 9 and 13 and the same pallets 10, 14 and 11, 15 that those equipping the anchor 6 of the first embodiment.
  • first pulse palette 5 and the first and second pallets 10 and 11 cooperate with the first wheel 16 of the first mobile 1, while the second pulse pallet 9 cooperates with the second wheel 18 of the first mobile 1.
  • third pallet pulse 12 and the third and fourth pallet rest 14 and 15 cooperate with the first wheel 17 of the second wheel 2, while the fourth pallet 13 cooperates with the second wheel 19 of the second wheel 2.
  • the figure 2 also shows that the first wheel 16 of the first mobile 1 has a larger diameter than the diameter of the second wheel 18 of said mobile 1. It is the same for the second mobile 2 where the first wheel 17 is larger than the second wheel 19.
  • This construction reduces the dimensional footprint of the exhaust mechanism. Indeed, if we compare Figures 1 and 2 , one realizes that the distance separating the axes of mobiles 1 and 2 of the figure 2 is shorter than the distance separating the same axes presented in figure 1 . The mobiles 1 and 2 are closer to the anchor 6 as seen in figure 2 .
  • the anchor 6 has an axis of symmetry 21 traced in figure 2 .
  • This axis of symmetry 21 passes through the pivot 7 of the anchor and the center of the hollow space 20 of its fork 8.
  • the figure 2 shows that the second and fourth impulse vanes 9 and 13 are also spaced apart from the axis of symmetry 21. It is the same for the second and fourth pallet rest 11 and 15, as well as the first and third pallets of rest 10 and 14.
  • the plate 3 rotates in the direction of the arrow 32.
  • the mobile 1 is at rest on the pallet 10 by the tooth 51 of its first wheel 16.
  • the mobile 2 is also at rest on the pallet 15 by the tooth 62 of its first wheel 17.
  • the pin 4 of the plate 3 comes into contact with the fork 8.
  • the anchor 6 is at rest and the tail 22 which it is provided bears against a limiting pin 23. This is the beginning of the release .
  • the plate 3 continues its course in the direction of the arrow 32.
  • the pin 4 of the plate 3 drives the anchor 6 in the direction of the arrow 33 which allows the release of the tooth 51 and the tooth 62 of the respective hold of the pallets 10 and 15.
  • the mobiles 1 and 2 are thus released.
  • the mobile 1 rotates in the direction of the arrow 30 and the mobile 2 in the direction of the arrow 31.
  • the tooth 53 of the first wheel 16 of the mobile 1 comes into contact with the pallet 5 of the plate 3 and gives a pulse audit plateau that continues its course in the direction of the arrow 32.
  • the tooth 65 of the second wheel 19 of the second mobile 2 comes into contact with the pallet 13 of the anchor 6 and gives a simultaneous pulse to said plate. This is the impulse start phase.
  • the end of pulse phase is shown in figure 6 .
  • the teeth 53 and 65 leave the impulse pallets 5 and 13 respectively, while the anchor 6, continuing its course in the direction of the arrow 33, causes the rest pallet 11 to cut the trajectory of the tooth 52 of the first wheel 16 of the mobile 1, and the pallet 14 to cut the trajectory of the tooth 60 of the first wheel 17 of the mobile 2.
  • the figure 8 illustrates the total rest of the two escapement mobiles 1 and 2.
  • the pallets 11 and 14 are sinking deeper inside the teeth of the first and second wheels 16 and 17
  • the plate 3 traverses its additional arc in the direction of the arrow 32 and turns back as indicated by the arrow 34.
  • the tail 22 of the anchor 6 is resting on a pin 24.
  • the figure 10 illustrates the end of the release. Indeed, the plate 3, continuing its stroke in the direction of the arrow 34, rotates the anchor 6 in the direction of the arrow 35 causing the total and simultaneous release of the escapement wheels 1 and 2 which are released.
  • the beginning of a new impulse is shown in figure 11 .
  • the first mobile 1 rotates in the direction of the arrow 30 and drives the tooth 55 which comes into contact with the pulse pallet 9 of the anchor 6.
  • the second mobile 2 rotates in the direction of the arrow 31 and causes the tooth 62 which comes into contact with the pulse pallet 12 of the plate 3.
  • the plate 3 is thus restarted in the direction of the arrow 34.
  • the end of the impulse is illustrated in figure 12 .
  • the tooth 62 of the second mobile 2 leaves the pallet 12 of the plate 3 and the tooth 55 of the first mobile 1 leaves the pallet 9 of the anchor 6.
  • the latter has rotated in the direction of the arrow 35 driven by the ankle 4 of the plate 3. This rotation has brought the rest pallets 10 and 15 into the path of the teeth 50 (mobile 1) and 61 (mobile 2) reciprocally.
  • FIG 13 A new take of rest is shown in figure 13 .
  • the tooth 50 of the mobile 1 has been intercepted by the pallet 10 of the anchor 6.
  • the tooth 61 of the mobile 2 was stopped by the pallet rest 15 of the anchor 6.
  • the pin 4 of the plate 3 is released from the fork 8.
  • the total rest of mobiles 1 and 2 is shown in figure 14 .
  • the pin 4 of the plate 3 rotating in the direction of the arrow 34 is completely out of the fork 8.
  • the pull exerted by the mobile 1 and 2 has penetrated more deeply the pallet rest 10 and 15 along the teeth 50 and 61 respectively.
  • the tail 22 of the anchor 6 rests on the limiting pin 23. From this moment the plate 3 and the balance associated with it run their supplementary arc in the direction of the arrow 34 and then turn back in the direction of the arrow 32.
  • a complete oscillation of the plate 3 has thus been accomplished and described in detail. We then find our in the situation described in figure 3 and a new cycle or oscillation can resume as soon as the peg 4 of the plate 3 enters the fork 8 again.
  • the first pulse occurs during the first halfwave when the plate 3 rotates in the direction of the arrow 32. This first pulse is double since coming simultaneously from the mobiles 1 and 2 ( Figures 5 and 6 ).
  • the second pulse takes place during the second halfwave when the plate 3 rotates in the direction of the arrow 34. This second pulse is also double since coming simultaneously from the mobiles 1 and 2 ( Figures 11 and 12 ).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Adornments (AREA)
  • Mechanical Operated Clutches (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Gears, Cams (AREA)
  • Dowels (AREA)

Abstract

The escapement has two distinct escapement mobiles (1, 2) driven by respective gear trains. A scale carries a pin (4), and a pulse pallet (5) is arranged to cooperate with teeth that carries the mobile (1). A pallet (6) is articulated on a pivot (7), and another pulse pallet (9) is arranged to cooperate with teeth of the mobile (1). A plate carries a third pulse pallet (12) cooperating with teeth that carries the mobile (2). The pallet (6) has fourth pulse pallet (13) cooperating with the teeth of the mobile (2), and rest pallets (14, 15) cooperates with the teeth of the mobile (2).

Description

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

Un échappement répondant à la description qui vient d'être donnée a été décrit dans l'ouvrage intitulé: « La Montre : principes et méthodes de fabrication » de George Daniels, Editions Scriptar S.A., La Convention, Lausanne 1993 . Cet échappement est exposé dans les pages 247 et 248 dudit ouvrage sous le titre : « Echappement Daniels à roue simple ». Selon l'auteur il a été construit à titre expérimental pour être utilisé dans une montre-bracelet. Ici le mobile d'échappement n'est constitué que d'une seule roue. En variante et comme on le verra à la suite de cette description, le mobile d'échappement peut comporter deux roues solidaires et coaxiales ce qui conduit à un échappement coaxial à double roue décrit dans le même ouvrage dans les pages 240 à 246. Quelle que soit la variante choisie, on comprendra que ces constructions ne comportent qu'un seul mobile d'échappement mettant en oeuvre une ou deux roues montées coaxialement.An escapement corresponding to the description which has just been given has been described in the book entitled: "The Watch: principles and methods of manufacture" by George Daniels, Editions Scriptar SA, The Convention, Lausanne 1993 . This escapement is described in pages 247 and 248 of the said work under the title: "Exhaust Daniels single wheel". According to the author, it was built on an experimental basis to be used in a wristwatch. Here the escape wheel consists of only one wheel. In a variant and as will be seen following this description, the escape wheel may comprise two integral and coaxial wheels, which leads to a double-wheeled coaxial escapement described in the same work in pages 240 to 246. Whatever or the variant chosen, it will be understood that these constructions comprise only one escape mobile using one or two wheels mounted coaxially.

La présente invention, en plus qu'elle obéit à ce qui est exposé au premier paragraphe ci-dessus est originale en ce que l'échappement comporte un second mobile d'échappement entraîné par un second rouage, que le plateau porte une troisième palette d'impulsion arrangée pour coopérer avec les dents que porte le second mobile et que l'ancre est munie d'une quatrième palette d'impulsion arrangée pour coopérer avec les dents du second mobile et de troisième et quatrième palettes de repos arrangées pour coopérer avec les dents dudit second mobile.The present invention, in addition that it obeys what is explained in the first paragraph above is original in that the exhaust comprises a second escapement driven by a second wheel, the plate carries a third pulse pallet arranged to cooperate with the teeth that carries the second mobile and that the anchor is provided with a fourth arranged pulse pallet to cooperate with the teeth of the second mobile and third and fourth pallets arranged to cooperate with the teeth of said second mobile.

On comprendra qu'un échappement équipé de deux mobiles d'échappement distincts permet un double affichage présentant chacun l'indication de fuseaux horaires différents.It will be understood that an exhaust equipped with two separate escape mobiles allows a dual display each having the indication of different time zones.

L'invention va être expliquée maintenant en détail ci-dessous par deux modes d'exécution donnés à titre d'exemples non limitatifs, ces exécutions étant illustrées par les dessins annexés dans lesquels :

  • la figure 1 est une vue en plan d'un premier mode d'exécution de l'invention où chaque mobile d'échappement ne comporte qu'une seule roue,
  • la figure 2 est une vue en plan d'un second mode d'exécution de l'invention où chaque 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 two embodiments given as non-limiting examples, these embodiments being illustrated by the appended drawings in which:
  • the figure 1 is a plan view of a first embodiment of the invention in which each escape wheel has only one wheel,
  • the figure 2 is a plan view of a second embodiment of the invention in which each 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 la présente invention. Cet échappement comporte un premier mobile d'échappement 1 ne comprenant qu'une seule roue entraînée par un premier rouage non représenté. Quand le mobile 1 est libre, il tourne dans le sens antihoraire figuré par la flèche 30. L'échappement comporte aussi un plateau 3 de balancier non représenté. Ce plateau 3 porte une cheville 4 et une première palette d'impulsion 5, cette palette étant arrangée pour coopérer avec les dents que porte le premier mobile 1. L'échappement comprend encore une ancre 6 articulée sur un pivot 7. Cette ancre est munie d'une fourchette 8 coopérant avec la cheville 4 de plateau 3. L'ancre 6 porte encore une deuxième palette d'impulsion 9 arrangée pour coopérer avec les dents du premier mobile 1 et des première et deuxième palettes de repos 10 et 11 arrangées pour coopérer également avec ledit premier mobile 1.The figure 1 is a plan view of the exhaust mechanism according to a first embodiment of the present invention. This exhaust comprises a first escapement mobile 1 comprising only one wheel driven by a first gear train, not shown. When the mobile 1 is free, it rotates in the counterclockwise direction shown by the arrow 30. The exhaust also comprises a platform 3 balance not shown. This plate 3 carries an ankle 4 and a first pulse pallet 5, this pallet being arranged to cooperate with the teeth carried by the first mobile 1. The escapement further comprises an anchor 6 articulated on a pivot 7. This anchor is provided with a fork 8 cooperating with the ankle 4 of plate 3. The anchor 6 still carries a second impulse pallet 9 arranged to cooperate with the teeth of the first mobile 1 and first and second pallets 10 and 11 arranged to also cooperate with said first mobile 1.

Comme le montre bien la figure 1, la présente invention est remarquable en ce que l'échappement comporte un second mobile d'échappement 2 entraîné par un second rouage non représenté. Quand le mobile 2 est libre, il tourne dans le sens horaire figuré par la flèche 31. Dans ce premier mode d'exécution le mobile 2 ne comprend qu'une seule roue et le plateau 3 porte une troisième palette d'impulsion 12 arrangée pour coopérer avec les dents que porte le second mobile 2. La figure 1 montre aussi que l'ancre 6 est munie d'une quatrième palette d'impulsion 13 arrangée pour coopérer avec les dents du second mobile 2, cette ancre étant encore équipée de troisième et quatrième palettes de repos 14 et 15 arrangées pour coopérer avec les dents dudit second mobile 2.As the figure 1 , the present invention is remarkable in that the exhaust comprises a second exhaust mobile 2 driven by a second gear train, not shown. When the mobile 2 is free, it turns in the clockwise direction shown by the arrow 31. In this first embodiment the mobile 2 comprises only one wheel and the plate 3 carries a third pulse pallet 12 arranged for cooperate with the teeth worn by the second mobile 2. The figure 1 also shows that the anchor 6 is provided with a fourth pulse pallet 13 arranged to cooperate with the teeth of the second mobile 2, this anchor being further equipped with third and fourth pallets 14 and 15 arranged to cooperate with the teeth said second mobile 2.

La figure 2 est une vue en plan d'un second mode d'exécution de l'invention. Ici, le premier mobile d'échappement 1 n'est pas une roue unique mais comporte des première et seconde roues 16 et 18 solidaires l'une de l'autre et montées coaxialement l'une sur l'autre. Il en va de même du second mobile d'échappement 2 qui est composé de première et seconde roues 17 et 19 solidaires et coaxiales. La figure 2 montre que l'échappement comprend un plateau 3 équipé des mêmes palettes d'impulsion 5 et 12 que celles équipant le plateau 3 du premier mode d'exécution. On retrouve en figure 2 une ancre 6 équipée d'une fourchette 8 coopérant avec la cheville 4 dont est muni le plateau 3. L'ancre 6 est équipée des mêmes palettes d'impulsion 9 et 13 et des mêmes palettes de repos 10, 14 et 11, 15 que celles équipant l'ancre 6 du premier mode d'exécution. Plus précisément, la première palette d'impulsion 5 et les première et deuxième palettes de repos 10 et 11 coopèrent avec la première roue 16 du premier mobile 1, alors que la deuxième palette d'impulsion 9 coopère avec la seconde roue 18 de ce premier mobile 1. De même, la troisième palette d'impulsion 12 et les troisième et quatrième palettes de repos 14 et 15 coopèrent avec la première roue 17 du second mobile 2, alors que la quatrième palette d'impulsion 13 coopère avec la seconde roue 19 de ce second mobile 2.The figure 2 is a plan view of a second embodiment of the invention. Here, the first escapement mobile 1 is not a single wheel but has first and second wheels 16 and 18 integral with each other and mounted coaxially on one another. It is the same for the second mobile escapement 2 which is composed of first and second wheels 17 and 19 integral and coaxial. The figure 2 shows that the exhaust comprises a plate 3 equipped with the same impulse paddles 5 and 12 as those fitted to the plate 3 of the first embodiment. We find in figure 2 an anchor 6 equipped with a fork 8 cooperating with the peg 4 of which the plate 3 is provided. The anchor 6 is equipped with the same paddle vanes 9 and 13 and the same pallets 10, 14 and 11, 15 that those equipping the anchor 6 of the first embodiment. More specifically, the first pulse palette 5 and the first and second pallets 10 and 11 cooperate with the first wheel 16 of the first mobile 1, while the second pulse pallet 9 cooperates with the second wheel 18 of the first mobile 1. Similarly, the third pallet pulse 12 and the third and fourth pallet rest 14 and 15 cooperate with the first wheel 17 of the second wheel 2, while the fourth pallet 13 cooperates with the second wheel 19 of the second wheel 2.

La figure 2 montre aussi que la première roue 16 du premier mobile 1 présente un diamètre plus grand que le diamètre de la seconde roue 18 dudit mobile 1. II en est de même pour le second mobile 2 où la première roue 17 est plus grande que la seconde roue 19. Cette construction permet de réduire l'emprise dimensionnelle du mécanisme d'échappement. En effet, si l'on compare les figures 1 et 2, on s'aperçoit que la distance séparant les axes des mobiles 1 et 2 de la figure 2 est plus courte que la distance séparant les mêmes axes présentés en figure 1. Les mobiles 1 et 2 se sont rapprochés de l'ancre 6 comme on le voit en figure 2.The figure 2 also shows that the first wheel 16 of the first mobile 1 has a larger diameter than the diameter of the second wheel 18 of said mobile 1. It is the same for the second mobile 2 where the first wheel 17 is larger than the second wheel 19. This construction reduces the dimensional footprint of the exhaust mechanism. Indeed, if we compare Figures 1 and 2 , one realizes that the distance separating the axes of mobiles 1 and 2 of the figure 2 is shorter than the distance separating the same axes presented in figure 1 . The mobiles 1 and 2 are closer to the anchor 6 as seen in figure 2 .

On remarquera encore que dans l'échappement de la présente invention, l'ancre 6 présente un axe de symétrie 21 tracé en figure 2. Cet axe de symétrie 21 passe par le pivot 7 de l'ancre et par le centre de l'espace évidé 20 de sa fourchette 8. La figure 2 montre bien que les deuxième et quatrième palettes d'impulsion 9 et 13 sont également éloignées de l'axe de symétrie 21. Il en est de même des deuxième et quatrième palettes de repos 11 et 15, ainsi que des première et troisième palettes de repos 10 et 14.It will also be noted that in the escapement of the present invention, the anchor 6 has an axis of symmetry 21 traced in figure 2 . This axis of symmetry 21 passes through the pivot 7 of the anchor and the center of the hollow space 20 of its fork 8. The figure 2 shows that the second and fourth impulse vanes 9 and 13 are also spaced apart from the axis of symmetry 21. It is the same for the second and fourth pallet rest 11 and 15, as well as the first and third pallets of rest 10 and 14.

On observera aussi sur la figure 2 que les deuxième et quatrième palettes de repos 11 et 15 sont suffisamment rapprochées pour être faites en une seule pièce.We will also observe on the figure 2 that the second and fourth pallet rest 11 and 15 are close enough to be made in one piece.

On va expliquer maintenant le fonctionnement de l'échappement selon l'invention. On se servira pour cela du second mode d'exécution comportant deux roues d'échappement pour chacun des mobiles 1 et 2. Une oscillation complète du plateau 3 est illustrée aux 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. This will be used for the second embodiment comprising two escape wheels for each of the mobile 1 and 2. A complete oscillation of the plateau 3 is illustrated in 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 32. Le mobile 1 est au repos sur la palette 10 par la dent 51 de sa première roue 16. Le mobile 2 est également au repos sur la palette 15 par la dent 62 de sa première roue 17. La cheville 4 du plateau 3 entre en contact avec la fourchette 8. L'ancre 6 est au repos et la queue 22 dont elle est pourvue est en appui sur une goupille de limitation 23. C'est le début du dégagement.In figure 3 , the plate 3 rotates in the direction of the arrow 32. The mobile 1 is at rest on the pallet 10 by the tooth 51 of its first wheel 16. The mobile 2 is also at rest on the pallet 15 by the tooth 62 of its first wheel 17. The pin 4 of the plate 3 comes into contact with the fork 8. The anchor 6 is at rest and the tail 22 which it is provided bears against a limiting pin 23. This is the beginning of the release .

En figure 4, le plateau 3 a poursuivi sa course dans le sens de la flèche 32. La cheville 4 du plateau 3 entraîne l'ancre 6 dans le sens de la flèche 33 ce qui permet le dégagement de la dent 51 et de la dent 62 de l'emprise respective des palettes 10 et 15. Les mobiles 1 et 2 sont ainsi libérés.In figure 4 , the plate 3 continues its course in the direction of the arrow 32. The pin 4 of the plate 3 drives the anchor 6 in the direction of the arrow 33 which allows the release of the tooth 51 and the tooth 62 of the respective hold of the pallets 10 and 15. The mobiles 1 and 2 are thus released.

Comme on le voit en figure 5, le mobile 1 tourne dans le sens de la flèche 30 et le mobile 2 dans le sens de la flèche 31. La dent 53 de la première roue 16 du mobile 1 entre en contact avec la palette 5 du plateau 3 et donne une impulsion audit plateau qui continue sa course dans le sens de la flèche 32. Simultanément la dent 65 de la seconde roue 19 du second mobile 2 entre en contact avec la palette 13 de l'ancre 6 et donne une impulsion simultanée audit plateau. C'est la phase de début d'impulsion.As we see in figure 5 , the mobile 1 rotates in the direction of the arrow 30 and the mobile 2 in the direction of the arrow 31. The tooth 53 of the first wheel 16 of the mobile 1 comes into contact with the pallet 5 of the plate 3 and gives a pulse audit plateau that continues its course in the direction of the arrow 32. Simultaneously the tooth 65 of the second wheel 19 of the second mobile 2 comes into contact with the pallet 13 of the anchor 6 and gives a simultaneous pulse to said plate. This is the impulse start phase.

La phase de fin d'impulsion est montrée en figure 6. Les dents 53 et 65 quittent les palettes d'impulsion 5 et 13 respectivement, pendant que l'ancre 6, poursuivant sa course dans le sens de la flèche 33, amène la palette de repos 11 à couper la trajectoire de la dent 52 de la première roue 16 du mobile 1, et la palette de repos 14 à couper la trajectoire de la dent 60 de la première roue 17 du mobile 2.The end of pulse phase is shown in figure 6 . The teeth 53 and 65 leave the impulse pallets 5 and 13 respectively, while the anchor 6, continuing its course in the direction of the arrow 33, causes the rest pallet 11 to cut the trajectory of the tooth 52 of the first wheel 16 of the mobile 1, and the pallet 14 to cut the trajectory of the tooth 60 of the first wheel 17 of the mobile 2.

En figure 7, les mobiles 1 et 2 ont continué leur course selon les flèches 30 et 31 respectivement. La dent 52 du premier mobile 1 et la dent 60 du second mobile 2 sont tombées sur les palettes de repos 11 et 14 respectivement et simultanément. C'est une prise de repos qui stoppe les deux mobiles. Le plateau poursuit sa course selon la flèche 32.In figure 7 , the mobiles 1 and 2 continued their race according to the arrows 30 and 31 respectively. The tooth 52 of the first mobile 1 and the tooth 60 of the second mobile 2 have fallen on the pallets of rest 11 and 14 respectively and simultaneously. It is a resting stop that stops both motives. The board continues its course according to the arrow 32.

La figure 8 illustre le repos total des deux mobiles d'échappement 1 et 2. Par effet de tirage dû aux couples exercés par ces mobiles, les palettes 11 et 14 se sont enfoncées plus profondément à l'intérieur des dentures des première et seconde roues 16 et 17. Le plateau 3 parcourt son arc supplémentaire dans le sens de la flèche 32 puis rebrousse chemin comme l'indique la flèche 34. La queue 22 de l'ancre 6 se trouve en appui sur une goupille de limitation 24.The figure 8 illustrates the total rest of the two escapement mobiles 1 and 2. By pulling effect due to the torque exerted by these mobiles, the pallets 11 and 14 are sinking deeper inside the teeth of the first and second wheels 16 and 17 The plate 3 traverses its additional arc in the direction of the arrow 32 and turns back as indicated by the arrow 34. The tail 22 of the anchor 6 is resting on a pin 24.

En figure 9, le plateau 3 tournant dans le sens de la flèche 34, amène sa cheville 4 en contact avec la fourchette 8 de l'ancre 6. C'est le début d'une phase de dégagement des dents 52 et 60 de l'emprise des palettes de repos 11 et 14 réciproquement.In figure 9 , the plate 3 rotating in the direction of the arrow 34, brings its pin 4 in contact with the fork 8 of the anchor 6. This is the beginning of a release phase of the teeth 52 and 60 of the right of way. pallets of rest 11 and 14 reciprocally.

La figure 10 illustre la fin du dégagement. En effet, le plateau 3, poursuivant sa course dans le sens de la flèche 34, fait tourner l'ancre 6 dans le sens de la flèche 35 provoquant le dégagement total et simultané des mobiles d'échappement 1 et 2 qui sont libérés.The figure 10 illustrates the end of the release. Indeed, the plate 3, continuing its stroke in the direction of the arrow 34, rotates the anchor 6 in the direction of the arrow 35 causing the total and simultaneous release of the escapement wheels 1 and 2 which are released.

Le début d'une nouvelle impulsion est montré en figure 11. Le premier mobile 1 tourne dans le sens de la flèche 30 et entraîne la dent 55 qui entre en contact avec la palette d'impulsion 9 de l'ancre 6. En même temps, le second mobile 2 tourne dans le sens de la flèche 31 et entraîne la dent 62 qui entre en contact avec la palette d'impulsion 12 du plateau 3. Le plateau 3 est ainsi relancé dans le sens de la flèche 34.The beginning of a new impulse is shown in figure 11 . The first mobile 1 rotates in the direction of the arrow 30 and drives the tooth 55 which comes into contact with the pulse pallet 9 of the anchor 6. At the same time, the second mobile 2 rotates in the direction of the arrow 31 and causes the tooth 62 which comes into contact with the pulse pallet 12 of the plate 3. The plate 3 is thus restarted in the direction of the arrow 34.

La fin de l'impulsion est illustrée en figure 12. La dent 62 du second mobile 2 quitte la palette 12 du plateau 3 et la dent 55 du premier mobile 1 quitte la palette 9 de l'ancre 6. Cette dernière a tourné dans le sens de la flèche 35 entraînée par la cheville 4 du plateau 3. Cette rotation a amené les palettes de repos 10 et 15 dans la trajectoire des dents 50 (mobile 1) et 61 (mobile 2) réciproquement.The end of the impulse is illustrated in figure 12 . The tooth 62 of the second mobile 2 leaves the pallet 12 of the plate 3 and the tooth 55 of the first mobile 1 leaves the pallet 9 of the anchor 6. The latter has rotated in the direction of the arrow 35 driven by the ankle 4 of the plate 3. This rotation has brought the rest pallets 10 and 15 into the path of the teeth 50 (mobile 1) and 61 (mobile 2) reciprocally.

Une nouvelle prise de repos est montrée en figure 13. En tournant dans le sens de la flèche 30, la dent 50 du mobile 1 a été interceptée par la palette de repos 10 de l'ancre 6. De même, en tournant dans le sens de la flèche 31, la dent 61 du mobile 2 a été stoppée par la palette de repos 15 de l'ancre 6. En continuant à tourner dans le sens de la flèche 34 la cheville 4 du plateau 3 se dégage de la fourchette 8.A new take of rest is shown in figure 13 . By turning in the direction of the arrow 30, the tooth 50 of the mobile 1 has been intercepted by the pallet 10 of the anchor 6. Similarly, by turning in the direction of the arrow 31, the tooth 61 of the mobile 2 was stopped by the pallet rest 15 of the anchor 6. Continuing to turn in the direction of the arrow 34 the pin 4 of the plate 3 is released from the fork 8.

Le repos total des mobiles 1 et 2 est montré en figure 14. La cheville 4 du plateau 3 en tournant dans le sens de la flèche 34 est complètement sortie de la fourchette 8. Le tirage exercé par les mobiles 1 et 2 a fait pénétrer plus profondément les palettes de repos 10 et 15 le long des dents 50 et 61 respectivement. La queue 22 de l'ancre 6 est en appui sur la goupille de limitation 23. A partir de ce moment le plateau 3 et le balancier qui lui est associé parcourent leur arc supplémentaire dans le sens de la flèche 34 puis rebroussent chemin selon le sens de la flèche 32. Une oscillation complète du plateau 3 a été ainsi accomplie et décrite en détail. On se retrouve alors dans la situation exposée en figure 3 et un nouveau cycle ou oscillation peut reprendre dès que la cheville 4 du plateau 3 pénètre à nouveau dans la fourchette 8.The total rest of mobiles 1 and 2 is shown in figure 14 . The pin 4 of the plate 3 rotating in the direction of the arrow 34 is completely out of the fork 8. The pull exerted by the mobile 1 and 2 has penetrated more deeply the pallet rest 10 and 15 along the teeth 50 and 61 respectively. The tail 22 of the anchor 6 rests on the limiting pin 23. From this moment the plate 3 and the balance associated with it run their supplementary arc in the direction of the arrow 34 and then turn back in the direction of the arrow 32. A complete oscillation of the plate 3 has thus been accomplished and described in detail. We then find ourselves in the situation described in figure 3 and a new cycle or oscillation can resume as soon as the peg 4 of the plate 3 enters the fork 8 again.

Pendant l'oscillation passée en revue ci-dessus, deux impulsions ont été conférées au plateau 3 et au balancier spiral qui lui est associé. La première impulsion a lieu lors de la première alternance quand le plateau 3 tourne dans le sens de la flèche 32. Cette première impulsion est double puisque provenant simultanément des mobiles 1 et 2 (figures 5 et 6). La seconde impulsion a lieu lors de la seconde alternance quand le plateau 3 tourne dans le sens de la flèche 34. Cette seconde impulsion est également double puisque provenant simultanément des mobiles 1 et 2 (figures 11 et 12).During the oscillation reviewed above, two pulses were imparted to the plate 3 and the spiral balance associated therewith. The first pulse occurs during the first halfwave when the plate 3 rotates in the direction of the arrow 32. This first pulse is double since coming simultaneously from the mobiles 1 and 2 ( Figures 5 and 6 ). The second pulse takes place during the second halfwave when the plate 3 rotates in the direction of the arrow 34. This second pulse is also double since coming simultaneously from the mobiles 1 and 2 ( Figures 11 and 12 ).

Claims (5)

  1. Anchor escapement for a timepiece including a first escape wheel set (60) driven by a first gear train, a balance roller (3) carrying an impulse pin (4) and a first impulse pallet stone (5) arranged for cooperating with the teeth of the first wheel set (1) and an anchor piece (6) articulated on a pivot (7) and provided with a fork (8) cooperating with the impulse pin (4) of the balance roller (3), a second impulse pallet stone (9) arranged for cooperating with the teeth of the first wheel set and with first (10) and second (11) locking pallet stones arrange to cooperate with the teeth of the first wheel set (1), characterized in that it includes a second escape wheel set (2) driven by a second gear train, in that the balance roller (3) carries a third impulse pallet stone (12) arranged for cooperating with the teeth of the second wheel set (2) and in that anchor piece (6) is fitted with a fourth impulse pallet stone (13) arranged for cooperating with the teeth of the second wheel set (2), and third (14) and fifth (15) locking pallet stones arranged for cooperating with the teeth of said second wheel set (2).
  2. Escapement according to claim 1, characterized in that each of the first (1) and second (2) wheel sets is formed of first (16, 17) and second (18, 19) coaxial wheels secured to each other, in that the first impulse pallet stone (5) and the first (10) and second (11) locking pallet stones cooperate with the first wheel (16) of the first wheel set (1), in that the second impulse pallet stone (9) cooperates with the second wheel (18) of said first wheel set (1), in that the third impulse pallet stone (12) and the third (14) and fourth (15) locking pallet stones cooperate with the first wheel (17) of the second wheel set (2) and in that the fourth impulse pallet stone (13) cooperates with the second wheel (19) of said second wheel set (2).
  3. Escapement according to claim 2, characterized in that the first wheels (16, 17) of the first (1) and second (2) wheel sets have a larger diameter than the diameter of the second wheels (18, 19) of said first (1) and second (2) wheel sets.
  4. Escapement according to claims 1 or 2, characterized in that the anchor piece (6) has an axis of symmetry (21) that passes through the pivot (7) thereof and the centre of the recessed space (20) of the fork (8) thereof, the second (9) and fourth (13) impulse pallet stones, the second (11) and fourth (15) locking pallet stones and the first (10) and third (14) locking pallet stones also being removte from said axis of symmetry.
  5. Escapement according to claims 1 or 2, characterized in that the second (11) and fourth (15) locking pallet stones are made in a single piece.
EP07106378A 2007-04-18 2007-04-18 Lever escapement comprising two escape wheels Active EP1983390B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE602007003075T DE602007003075D1 (en) 2007-04-18 2007-04-18 Anchor escapement comprising two escapement gears
EP07106378A EP1983390B1 (en) 2007-04-18 2007-04-18 Lever escapement comprising two escape wheels
AT07106378T ATE447731T1 (en) 2007-04-18 2007-04-18 ANCHOR ESCAPEMENT COMPRISING TWO ESCUPATION GEARS
JP2008106167A JP5153429B2 (en) 2007-04-18 2008-04-15 Anchor escapement with two escape wheels
CN200810092953XA CN101329547B (en) 2007-04-18 2008-04-18 Lever escapement comprising two escape wheels
US12/105,558 US7604395B2 (en) 2007-04-18 2008-04-18 Anchor escapement including two escape wheel sets
HK09105324.7A HK1127953A1 (en) 2007-04-18 2009-06-15 Lever escapement including two escape wheel sets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07106378A EP1983390B1 (en) 2007-04-18 2007-04-18 Lever escapement comprising two escape wheels

Publications (2)

Publication Number Publication Date
EP1983390A1 EP1983390A1 (en) 2008-10-22
EP1983390B1 true EP1983390B1 (en) 2009-11-04

Family

ID=39060201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07106378A Active EP1983390B1 (en) 2007-04-18 2007-04-18 Lever escapement comprising two escape wheels

Country Status (7)

Country Link
US (1) US7604395B2 (en)
EP (1) EP1983390B1 (en)
JP (1) JP5153429B2 (en)
CN (1) CN101329547B (en)
AT (1) ATE447731T1 (en)
DE (1) DE602007003075D1 (en)
HK (1) HK1127953A1 (en)

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Publication number Priority date Publication date Assignee Title
EP2199875B1 (en) * 2008-12-16 2014-09-24 Rolex Sa Detent escapement
EP2450755B1 (en) * 2010-11-04 2015-01-21 Nivarox-FAR S.A. Synchronous escapement for clockwork
EP2487546B1 (en) * 2011-02-11 2021-06-30 Montres Journe S.A. High-performance bi-axial escapement, or HPBE
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
EP3462251B1 (en) * 2017-09-29 2020-06-10 Montres Breguet S.A. Time-setting mechanism for a clock movement
EP3557334A1 (en) * 2018-04-17 2019-10-23 Dominique Renaud SA Escapement mechanism with lock pallet and timepiece comprising such an escapement mechanism
EP3570117A1 (en) * 2018-05-16 2019-11-20 Dominique Renaud SA Escapement mechanism for timepiece
EP3557335A1 (en) * 2018-04-17 2019-10-23 Dominique Renaud SA Free direct escapement mechanism for timepiece part
EP3794412B1 (en) 2018-05-16 2023-11-08 Besse, François Escapement mechanism for timepiece
EP4053641A1 (en) * 2021-03-02 2022-09-07 Montres Breguet S.A. Natural escapement for timepiece movement and timepiece movement comprising such an escapement

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Publication number Priority date Publication date Assignee Title
US594446A (en) 1897-11-30 Balance-escapement
CH4698A (en) 1892-03-04 1892-10-15 Hermann Knecht Watch escapement
US1037342A (en) 1910-12-22 1912-09-03 William J Shortill Lever-escapement.
US1091261A (en) 1913-07-22 1914-03-24 William E Walker Chronometer-escapement.
US2531273A (en) 1944-04-27 1950-11-21 Albert Jean Devaud Escapement device
CH27961A4 (en) 1961-01-10 1963-08-15
EP0018796B1 (en) * 1979-04-30 1984-11-07 George Daniels Watches, clocks and chronometers and escapements therefor
DE69902990T2 (en) 1999-03-31 2003-05-22 Ulysse Nardin S.A., Le Locle Inhibition for timepieces
DE69909236T2 (en) * 1999-04-12 2004-04-22 Omega S.A. Coaxial anchor escapement
ES2303518T3 (en) * 2001-01-09 2008-08-16 Ulysse Nardin S.A. ESCAPE FOR TIME REGULATOR OR TIMER.
EP1367462B1 (en) 2002-05-28 2009-09-23 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Escapement for timepiece
CH700720B1 (en) 2003-06-23 2010-10-15 Ronda Ag Gear for watch movement and date display mechanism provided with such a gear.
DE60331447D1 (en) 2003-12-16 2010-04-08 Montres Breguet Sa Chronometer escapement for watches
DE602005005633T2 (en) * 2005-03-30 2009-04-16 Montres Breguet S.A. Chronometer escapement for watches
DE602005005632T2 (en) * 2005-03-30 2009-04-16 Montres Breguet S.A. Chronometer escapement for watches

Also Published As

Publication number Publication date
JP5153429B2 (en) 2013-02-27
HK1127953A1 (en) 2009-10-09
CN101329547A (en) 2008-12-24
EP1983390A1 (en) 2008-10-22
ATE447731T1 (en) 2009-11-15
US7604395B2 (en) 2009-10-20
CN101329547B (en) 2011-11-30
US20080304369A1 (en) 2008-12-11
DE602007003075D1 (en) 2009-12-17
JP2008268207A (en) 2008-11-06

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