EP2652559B1 - Hebel und auslösemechanismus mit einem solchen hebel - Google Patents

Hebel und auslösemechanismus mit einem solchen hebel Download PDF

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Publication number
EP2652559B1
EP2652559B1 EP11788501.2A EP11788501A EP2652559B1 EP 2652559 B1 EP2652559 B1 EP 2652559B1 EP 11788501 A EP11788501 A EP 11788501A EP 2652559 B1 EP2652559 B1 EP 2652559B1
Authority
EP
European Patent Office
Prior art keywords
lever
pallet
escapement
impulse
locking
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
EP11788501.2A
Other languages
English (en)
French (fr)
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EP2652559A1 (de
Inventor
Armin Behrend
Francisco Dias
Christophe Gigandet
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.)
Chopard Technologies SA
Original Assignee
Chopard Technologies 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
Priority claimed from EP10195005A external-priority patent/EP2466395A1/de
Priority claimed from CH02081/10A external-priority patent/CH704206B1/fr
Application filed by Chopard Technologies SA filed Critical Chopard Technologies SA
Priority to EP11788501.2A priority Critical patent/EP2652559B1/de
Publication of EP2652559A1 publication Critical patent/EP2652559A1/de
Application granted granted Critical
Publication of EP2652559B1 publication Critical patent/EP2652559B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements

Definitions

  • the present invention relates to the field of mechanical watchmaking. It relates more particularly, an anchor for escape mechanism and an exhaust provided with such an anchor.
  • Swiss anchor escapement implements an anchor provided with a rod provided at its free end with a fork and a stinger to cooperate with a plateau pin of a balance.
  • the rod On the side opposite to the fork, the rod is extended by separating into two arms.
  • Each arm has a housing for receiving a stone, the surfaces of which form support planes intended to cooperate with an escape wheel, to ensure the functions of the exhaust.
  • the document EP1276021 proposes a particularly original exhaust, with two rockers that cooperate with each other and, respectively, with a first tooth and a second consecutive tooth, the escape wheel.
  • the profile of the teeth the escape wheel is of suitable shape and each comprises a concave impulse face, a locking top face.
  • the document CH567293 discloses an escapement whose anchor is made in a monolithic piece.
  • the present invention aims to solve this drawback, that is to say, to facilitate the adjustment of the exhaust by avoiding the presence of etcals, while not modifying the different parts of the exhaust.
  • the impulse and rest pallet, on the one hand, and the stop pallet, on the other hand, of an arm are arranged to cooperate, during a cycle of the exhaust, respectively with a first and a second consecutive teeth of the escape wheel, thus ensuring pulling and blocking functions without external stop.
  • the figure 1 proposes a first embodiment of an anchor 10 according to the invention. It is similar to an anchor 10 of the state of the art of a Swiss anchor escapement. It comprises a rod 12 provided at its free end with a fork 14.
  • the rod 12 defines a general plane in which the anchor 10 is inserted.
  • the fork 14 is intended to cooperate with a plate pin 16 of a balance 17, shown schematically.
  • the fork 14 can be completed by a dart 18 intended to cooperate with a small plate of the balance 17.
  • the rod 12 is extended by separating into two arms 20, located in the general plane.
  • the anchor 10 is similar to a conventional anchor 10 of a conventional anchor escapement.
  • the anchor 10 comprises, at the level of the arms 20, a pulse and rest pallet 22, provided with a pulse plane 22a and a rest plane 22b. These planes are intended to cooperate respectively, in a conventional manner, with the pulse planes and the rest planes that comprise each tooth of an escape wheel 24.
  • the term pallet should not be interpreted in a limiting manner and does not necessarily indicate a ruby element attached to the anchor 10.
  • the pallet designates the portion of the anchor 10 intended to cooperate with the escape wheel 24.
  • the anchor 10 further comprises a stop pallet 26, distinct from the pulse and rest pallet 22, and arranged protruding with respect to the arm 20, in the general plane defined by the rod 12.
  • the stop pallet 26 has at its end a convex portion defining a point of contact with the escape wheel 24.
  • the pulse and rest pallet 22, on the one hand, and the stop pallet 26, on the other hand, an arm 20 are arranged to cooperate respectively with a first and a second consecutive teeth of the wheel exhaust 24, thus ensuring the functions of pulling and blocking the exhaust, without external stop.
  • the rest plane 22b of the pulse and rest pallet 22 of a first arm 20 is arranged to cooperate with the rest plane 24b of a first tooth of the escape wheel 24, while the pulse plane 24a of a consecutive tooth cooperates punctually (that is to say according to a single point of contact) with the stop pallet 26 of this first arm 20.
  • the stop pallets 26 are located between the impulse and rest pallets 22.
  • the stopping pallets are situated on either side, that is to say on the outside, of the pallets. impulse and rest palettes 22, as illustrated in FIG. figure 2 .
  • the anchor 10 and the pallets are made monolithically, in a monocrystalline material, preferably silicon or silicon-based.
  • the dart 18 can be attached to the anchor or come in one piece with the fork.
  • the escape wheel 24 is also made of a monocrystalline material, preferably silicon or silicon-based, in order to optimize the friction conditions between the escape wheel 24 and the anchor 10.
  • the skilled person may choose various techniques for providing the anchor 10 with a pivot axis, which can be mounted in a bearing.
  • the anchor 10 may have, at its pivot point, a structure for assembling an axis.
  • the anchor 10 according to the invention makes it possible to substitute for an anchor 10 of the state of the art, in a conventional anchor escapement 10.
  • This substitution can be made without any modification to the other parts of the exhaust, or the pointing of the pivot of the anchor 10. It is therefore possible to greatly simplify the adjustment of the functions of the exhaust, thanks to the suppression of the etocaux, without having to specifically reconstruct a movement around a particular exhaust.
  • the only replacement of a conventional anchor 10 with an anchor 10 according to the invention makes it possible to obtain this result.
  • an anchor 10 according to the invention may also be substituted for a conventional anchor 10 in a transverse anchor escapement.
  • the choice of materials also makes it possible to optimize the friction between the anchor 10 and the wheel. It also makes it possible to optimize the shapes of the anchor 10 and its pallets. Indeed, thanks to the forms of the anchor 10 according to the invention, the locking of the escape wheel 24 is without wedge effect, and without a concave zone that would require lubrication. It has been noted that some anchors 10 have concave areas to block the escape wheel 24, which can create fouling with the aging of the lubricants used.
  • the anchor 10 makes it possible to optimize the shocks occurring during exhaust stops. In fact, with respect to the shocks occurring between the anchor 10 and the probes, those intervening between the escape wheel 24 and the stopping pallets are made with a smaller lever arm.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Socks And Pantyhose (AREA)
  • Table Equipment (AREA)
  • Mechanical Control Devices (AREA)

Claims (13)

  1. Schweizer Ankerhemmung, welche ein Hemmungsrad (24) und einen aus einem monolithischen Teil gefertigten Anker (10) mit einem Stab (12) umfasst, der eine generelle Ebene abgrenzt, auf der sich der Anker (10) bewegt, und der an seinem freien Ende mit einer Gabel (14) versehen ist, um mit einer Unruh (17) zusammenzuwirken und sich an der Seite gegenüber der Gabel (14) in Form von zwei Armen (20) fortsetzt, wobei jeder Arm (20) folgendes umfasst:
    - ein Hebe- und Hemmpalette (22),
    - einen Stoppalette (26), der sich vom Hebe- und Hemmpalette unterscheidet und in Bezug auf den Arm (20) in besagter Ebene vorspringend angeordnet ist, wobei besagter Stoppalette an seinem Ende einen konvexen Abschnitt aufweist, der einen Kontaktpunkt mit dem Hemmungsrad (24) abgrenzt, dadurch gekennzeichnet, dass zum einen besagtes Hebe- und Hemmpalette (22) und zum anderen der Stoppalette (26) jedes Arms (20) so angeordnet sind, dass sie bei einem Wechsel der Hemmung jeweils mit einem ersten und einem nachfolgenden zweiten Zahn des Hemmungsrads (24) zusammenwirken und somit die Zug- und Stoppfunktionen ohne äußeren Anschlag gewährleisten.
  2. Hemmung nach Anspruch 1, in der das Hemmungsrad (24) Zähne umfasst, die eine Hebeebene (24a) und eine Hemmebene (24b) abgrenzen, auf der das Hebe- und Hemmpalette (22) eine Hebeebene (22a) und eine Hemmebene (22b) umfasst, dadurch gekennzeichnet, dass die Hemmebene (22b) des Hebe- und Hemmpalettes (22) eines ersten Arms (20) so angeordnet ist, das sie mit der Hemmebene (24b) eines ersten Zahns des Hemmungsrads (24) zusammenwirkt, wohingegen die Hebeebene (24a) eines nachfolgenden Zahns mit dem Stoppalette (26) des besagten ersten Arms (20) zusammenwirkt.
  3. Hemmung nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass der Anker aus monokristallinem Material besteht.
  4. Hemmung nach Anspruch 3, dadurch gekennzeichnet, dass das Hemmungsrad (24) aus monokristallinem Material besteht.
  5. Hemmung nach Anspruch 3, dadurch gekennzeichnet, dass der Anker (10) aus Silizium gefertigt ist.
  6. Hemmung Anspruch 5, dadurch gekennzeichnet, dass das Hemmungsrad (24) aus Silizium besteht.
  7. Hemmung nach einem der vorhergehenden Ansprüche, in der sich die Stopper des Ankers zwischen den Hebe- und Hemmpaletten (22) befinden.
  8. Hemmung nach einem der Ansprüche 1 bis 6, in der sich die Stopper zu beiden Seiten der Hebe- und Hemmpalette (22) befinden.
  9. Hemmung nach einem der Ansprüche 1 bis 6, in der der Anker einen ersten Stoppalette (26) zwischen den Hebe- und Hemmstücken (22) und einen zweiten Stoppalette (26) außerhalb der Hebe- und Hemmpalette (22) aufweist.
  10. Hemmung nach einem der vorhergehenden Ansprüche, in welcher der Anker (10) einen an die Gabel (14) angesetzten Stift (18) umfasst.
  11. Hemmung nach einem der vorhergehenden Ansprüche, in welcher der Anker (10) einen Stift (18) umfasst, der ein einziges Stück mit der Gabel (14) bildet.
  12. Hemmung nach einem der vorhergehenden Ansprüche, in welcher der Anker (10) eine Struktur umfasst, die die Montage einer Achse ermöglicht.
  13. Hemmung nach einem der vorhergehenden Ansprüche, in welcher der Anker (10) eine Drehachse umfasst.
EP11788501.2A 2010-12-14 2011-11-29 Hebel und auslösemechanismus mit einem solchen hebel Active EP2652559B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11788501.2A EP2652559B1 (de) 2010-12-14 2011-11-29 Hebel und auslösemechanismus mit einem solchen hebel

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP10195005A EP2466395A1 (de) 2010-12-14 2010-12-14 Anker und Hemmung, die mit einem solchen Anker ausgestattet ist
CH02081/10A CH704206B1 (fr) 2010-12-14 2010-12-14 Ancre et échappement muni d'une telle ancre.
PCT/EP2011/071322 WO2012079976A1 (fr) 2010-12-14 2011-11-29 Ancre et échappement muni d'une telle ancre
EP11788501.2A EP2652559B1 (de) 2010-12-14 2011-11-29 Hebel und auslösemechanismus mit einem solchen hebel

Publications (2)

Publication Number Publication Date
EP2652559A1 EP2652559A1 (de) 2013-10-23
EP2652559B1 true EP2652559B1 (de) 2019-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11788501.2A Active EP2652559B1 (de) 2010-12-14 2011-11-29 Hebel und auslösemechanismus mit einem solchen hebel

Country Status (4)

Country Link
EP (1) EP2652559B1 (de)
JP (1) JP2013545991A (de)
CN (1) CN103261975A (de)
WO (1) WO2012079976A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709920A2 (fr) * 2014-07-24 2016-01-29 Eta Sa Manufacture Horlogère Suisse Ensemble à mobile de freinage d'horlogerie.
CH710278B1 (fr) * 2014-10-24 2024-02-15 Richemont Int Sa Organe réglant pour un mouvement horloger mécanique.
CH713150A2 (fr) * 2016-11-23 2018-05-31 Eta Sa Mft Horlogere Suisse Mécanisme régulateur à résonateur rotatif à guidage flexible entretenu par un échappement libre à ancre.
EP3489763B1 (de) * 2017-11-22 2021-06-16 Nivarox-FAR S.A. Anker für die bewegungshemmung eines uhrwerks
US11740589B2 (en) * 2018-07-19 2023-08-29 Werner Janer Multi-cam, continuous-drive escapement mechanism
JP7103041B2 (ja) * 2018-08-03 2022-07-20 セイコーエプソン株式会社 アンクル、ムーブメント、時計
EP3742237B1 (de) * 2019-05-23 2024-10-16 Nivarox-FAR S.A. Komponente, insbesondere für uhrwerk mit einer oberflächentopologie, und ihr herstellungsverfahren
EP3786720B1 (de) 2019-08-27 2023-12-13 Rolex Sa Uhrkomponente zur aufnahme eines organs durch einpressen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US509315A (en) * 1893-11-21 Emil klahn
GB682566A (en) * 1951-01-25 1952-11-12 Ole Kaada Improvements in or relating to lever escapements
CH319633A (fr) * 1954-06-26 1957-02-28 F Smith Cecil Echappement à ancre pour pièce d'horlogerie
CH336007A (de) * 1957-05-28 1959-01-31 Schartner Heinrich Ankerhemmwerk für Uhren
CH567293B5 (fr) * 1972-07-19 1975-09-30 Far Fab Assortiments Reunies Echappament à ancre pour pièce d'horlogerie
EP1276021B1 (de) 2001-06-26 2008-12-31 Ulysse Nardin S.A. Hemmung für einen Zeitmesser
CH708113B1 (de) * 2007-09-13 2014-12-15 Stéphane Von Gunten Anker für eine Uhrenhemmung.
FR2928015B1 (fr) * 2008-02-22 2010-02-19 Jean Paul Lenoble Echappement perfectionne a ancre articulee a impulsion tangentielle, montre mecanique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2012079976A1 (fr) 2012-06-21
CN103261975A (zh) 2013-08-21
JP2013545991A (ja) 2013-12-26
EP2652559A1 (de) 2013-10-23

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