EP2372473B1 - Elastisch montierter Anker für Hemmung - Google Patents

Elastisch montierter Anker für Hemmung Download PDF

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Publication number
EP2372473B1
EP2372473B1 EP11002160.7A EP11002160A EP2372473B1 EP 2372473 B1 EP2372473 B1 EP 2372473B1 EP 11002160 A EP11002160 A EP 11002160A EP 2372473 B1 EP2372473 B1 EP 2372473B1
Authority
EP
European Patent Office
Prior art keywords
anchor
arms
elastic
escapement
face
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
EP11002160.7A
Other languages
English (en)
French (fr)
Other versions
EP2372473A2 (de
EP2372473A3 (de
Inventor
Anthony Krüttli
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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 Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Publication of EP2372473A2 publication Critical patent/EP2372473A2/de
Publication of EP2372473A3 publication Critical patent/EP2372473A3/de
Application granted granted Critical
Publication of EP2372473B1 publication Critical patent/EP2372473B1/de
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Anticipated expiration legal-status Critical

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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
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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 an escapement anchor for a watch movement.
  • the escape anchors are mounted on their axis, called “anchor rod", by driving or gluing.
  • an escapement anchor resiliently mounted on its axis and having for this purpose elastic arms which enclose the axis.
  • the anchor comprises three elastic arms arranged in equilateral triangle and completely surrounded by the rigid structure of the anchor to which the ends of the elastic arms are united.
  • This rigid structure comprises in particular a connecting portion which connects the inlet and outlet arms of the anchor at the face of the anchor intended to be directly opposite the escape wheel.
  • a second embodiment illustrated in FIG.
  • the anchor comprises two resilient arms, the remainder of the aperture receiving the axis being defined by a rigid portion for guiding the axis, also constituting a connecting part.
  • these connecting parts have a relatively large thickness and are also curved towards the escape wheel.
  • the present invention aims to remedy, in part at least, these disadvantages and proposes for this purpose an escape anchor for movement timepiece, intended to cooperate with an escape wheel and comprising a resilient clamping part for mounting the anchor on an axis, the elastic clamping part comprising elastic arms identical to each other, characterized in that the face external of one of the elastic arms is a face or a part of the anchor face to be directly opposite the escape wheel.
  • the resilient clamping portion typically comprises at least three resilient arms.
  • the exhaust anchor according to the invention preferably comprises a rigid arm on each side of the resilient clamping part, for rigidly connecting, respectively, the pallets to the fork.
  • the exhaust anchor according to the invention is made for example of silicon, silicon carbide, glass, diamond, crystallized aluminum oxide or a material based on one of these materials.
  • the present invention also relates to a watch movement comprising an escape anchor as defined above.
  • an escape anchor 1 according to a first embodiment of the invention comprises an entry pallet 2, an inlet arm 3, an outlet pallet 4, an outlet arm 5, a rod 6 and a fork 7 comprising horns 8 and a member 9 performing the function of a sting.
  • the pallets 2, 4 are intended to cooperate with the teeth 10 of an escape wheel 11, while the fork 7 is intended to cooperate with a transmission member between the anchor 1 and a balance shaft 12, consisting of for example by a double plate 13 mounted on the balance shaft 12.
  • the anchor 1 also comprises, between the rod 6 and the inlet arms 3 and output 5, an elastic portion 14 for receiving and clamping the axis 15 of the anchor to maintain the anchor on this axis 15.
  • This elastic portion 14 consists of three elastic arms 16, 17, 18 identical arranged in equilateral triangle.
  • One, 18, of these resilient arms forms a connection between the input 3 and output 5 arms, and its outer face 19, as the corresponding faces of the input arms 3 and output 5, is intended to be directly opposite the escape wheel 11.
  • the two other resilient arms 16, 17 respectively connect the inlet arm 3 and the outlet arm 5 to the rod 6.
  • Rigid connecting arms 20, 21 substantially parallel to the elastic arms 16, 17 and separated from the outer faces of these elastic arms 16, 17 by slots 22, 23, respectively, also connect the inlet and outlet arms 5 to the rod 6. With the inlet and outlet arms 5 and the rod 6, these rigid link arms 20, 21 serve to transmit the energy received from the escape wheel 11 by the pallets 2, 4 to the fork 7 during the pulse phase and the energy received from the pin 24 of the double plate 13 by the fork 7 to the pallets 2, 4 during the disengagement phase. During the operation of the exhaust, no force is transmitted between the pallets 2, 4. Such rigid link arm can be omitted between the inlet arm 3 and outlet 5, which frees room for the arm elastic 18 which may be longer and / or thicker.
  • the resilient arms 16, 17, 18 may be sized to exert a larger clamping force which will ensure better support of the anchor 1 on the axis 15, and / or to increase their deformability and thus make the anchor 1 less sensitive to manufacturing tolerances of the anchor 1 and the axis 15.
  • a part of the released place can also be used to increase the security between the anchor 1 and the escape wheel 11, in the to prevent the teeth 10 of the escape wheel 11 can touch the anchor 1 between the two pallets 2, 4.
  • the thickness of these arms can be variable, as shown.
  • the variation in thickness along the elastic arms 16, 17, 18 may be similar to that of the elastic arms described in the patent EP 1826635 of the present applicant.
  • the resilient arms 16, 17, 18 each have a projection 25 on the central portion of their inner face. These projections 25 define the areas of contact between the axis 15 of the anchor 1 and the elastic arms 16, 17, 18. Alternatively, however, these projections 25 could be removed and the axis 15 could have a larger diameter. and be in direct contact with the inner faces of the elastic arms 16, 17, 18.
  • the figure 2 shows an escapement comprising an anchor 1a according to a second embodiment of the invention.
  • the anchor 1a has no connection between the pallets 2a, 4a and the part elastic 14a on the side of the escape wheel 11a.
  • the vanes 2a, 4a are connected directly to the fork 7a by respective rigid arms 20a, 21a, and the elastic portion 14a is connected to the fork 7a by an arm 6a extending between the rigid arms 20a, 21a.
  • FIG 3 shows an anchor 1b according to a third embodiment of the invention, which differs from the anchor 1 according to the first embodiment in that the rigid connecting arms 20, 21 are removed.
  • the orientation of the elastic arms 16b, 17b gives them a certain rigidity in the direction of transmission of forces between the pallets 2b, 4b and the fork 7b allowing the operation of the exhaust.
  • the anchor according to the invention could have two or more elastic arms.
  • the anchor according to the invention is for example made of silicon, silicon carbide, glass, diamond, crystallized aluminum oxide or a material based on one of these materials.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Dowels (AREA)

Claims (5)

  1. Hemmungsanker (1; 1a; 1b) für Uhrwerk, der dazu bestimmt ist, mit einem Hemmungsrad (11; 11a; 11b) zusammenzuwirken, und einen elastischen Aufspannteil (14; 14a; 14b) für die Montage des Ankers auf einer Achse (15; 15a; 15b) umfasst, wobei der elastische Aufspannteil elastische Arme (16, 17, 18; 16a, 17a, 18a; 16b, 17b, 18b) umfasst, die untereinander identisch sind, dadurch gekennzeichnet, dass die Außenfläche von einem (18; 18a; 18b) der elastischen Arme eine Fläche oder ein Flächenteil (19; 19a; 19b) des Ankers ist, der dazu bestimmt ist, dem Hemmungsrad (11; 11a; 11b) direkt gegenüberzustehen.
  2. Hemmungsanker nach Anspruch 1, dadurch gekennzeichnet, dass der elastische Aufspannteil (14; 14a; 14b) mindestens drei elastische Arme (16, 17, 18; 16a, 17a, 18a; 16b, 17b, 18b) umfasst.
  3. Hemmungsanker nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass er einen starren Arm (20, 21; 20a, 21a) auf jeder Seite des elastischen Aufspannteils (14; 14a) umfasst, um jeweils Paletten (2, 4; 2a, 4a) des Ankers starr mit einer Gabel (7; 7a) des Ankers zu verbinden.
  4. Hemmungsanker nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass er aus Silizium, aus Siliziumkarbid, aus Glas, aus Diamant, aus kristallisiertem Aluminiumoxid oder aus einem Material auf Basis eines dieser Materialien hergestellt ist.
  5. Uhrwerk, das einen Hemmungsanker nach einem der Ansprüche 1 bis 4 umfasst.
EP11002160.7A 2010-04-01 2011-03-16 Elastisch montierter Anker für Hemmung Active EP2372473B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00488/10A CH702931A2 (fr) 2010-04-01 2010-04-01 Ancre d'échappement montée élastiquement.

Publications (3)

Publication Number Publication Date
EP2372473A2 EP2372473A2 (de) 2011-10-05
EP2372473A3 EP2372473A3 (de) 2016-12-07
EP2372473B1 true EP2372473B1 (de) 2018-07-11

Family

ID=43827107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11002160.7A Active EP2372473B1 (de) 2010-04-01 2011-03-16 Elastisch montierter Anker für Hemmung

Country Status (2)

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EP (1) EP2372473B1 (de)
CH (1) CH702931A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109254517B (zh) * 2017-07-12 2023-11-07 天津海鸥表业集团有限公司 一种手表的擒纵调速模块及应用
JP7143675B2 (ja) 2018-08-14 2022-09-29 セイコーエプソン株式会社 時計用部品、ムーブメントおよび時計
EP3627236A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
EP3627235A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
EP3779608A1 (de) * 2019-08-16 2021-02-17 Nivarox-FAR S.A. Elastisches halterungsorgan einer uhrenkomponente auf einem halteelement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4618664B2 (ja) 2004-03-31 2011-01-26 セイコーインスツル株式会社 弾性部を含む電鋳部品及びその製造方法
EP1708045A3 (de) * 2005-03-22 2009-01-07 Patek, Philippe SA Befestigung eines Uhrrads an einer Spindel
ATE445865T1 (de) 2006-02-24 2009-10-15 Patek Philippe Sa Elastisches befestigungsorgan für uhren

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP2372473A2 (de) 2011-10-05
CH702931A2 (fr) 2011-10-14
EP2372473A3 (de) 2016-12-07

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