EP2400351B1 - Mobile monobloc pour une pièce d'horlogerie - Google Patents

Mobile monobloc pour une pièce d'horlogerie Download PDF

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Publication number
EP2400351B1
EP2400351B1 EP10166896.0A EP10166896A EP2400351B1 EP 2400351 B1 EP2400351 B1 EP 2400351B1 EP 10166896 A EP10166896 A EP 10166896A EP 2400351 B1 EP2400351 B1 EP 2400351B1
Authority
EP
European Patent Office
Prior art keywords
toothing
wheel set
cooperate
plate
mobile
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
EP10166896.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2400351A1 (fr
Inventor
Frédéric Vaucher
Pierre Cusin
Marco Verardo
Jean-Philippe Thiébaud
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
Original Assignee
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 EP10166896.0A priority Critical patent/EP2400351B1/fr
Priority to JP2011126906A priority patent/JP5802441B2/ja
Priority to KR1020110058542A priority patent/KR20110139110A/ko
Priority to US13/165,359 priority patent/US8439557B2/en
Priority to CN201110169455.2A priority patent/CN102368148B/zh
Publication of EP2400351A1 publication Critical patent/EP2400351A1/fr
Priority to HK12108715.3A priority patent/HK1168156A1/xx
Application granted granted Critical
Publication of EP2400351B1 publication Critical patent/EP2400351B1/fr
Active legal-status Critical Current
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
    • G04B15/06—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
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • 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

Definitions

  • the invention relates to a single-piece mobile for example of the coaxial escapement type and more particularly to such a mobile in micro-machinable or electroformable material.
  • the escapement of a mechanical clockwork movement comprises an escape wheel whose regularly spaced teeth are shocked by generally ruby pallets.
  • FIG. 11 An example of a coaxial exhaust system is presented in the document EP 1 045 297 .
  • Such a mechanism as illustrated in figure 11 comprises a mobile formed of a first 1 and a second 11 escape wheels.
  • This second escape wheel 11, also called the impulse pinion, is mounted on the same axis 3.
  • the angular position of the teeth 13 of the second escape wheel 11 is indexed to the angular position of the teeth 8 of the first wheel exhaust 1.
  • the first escape wheel 1 is in the form of a classic Swiss anchor escapement wheel.
  • the second escape wheel 11 also acts as an escape pinion 15 meshing with an intermediate wheel 17, which has the advantage of reducing the height of the mechanism.
  • the large plate 19 of the balance (not shown) carries a plate pin 21 and a pulse pallet 23.
  • the first 21 is intended to drive, in a back-and-forth motion, the anchor 25 via its fork 27 while the second 23 is intended to cooperate with the teeth 8 of the first escape wheel 1.
  • the anchor 25 comprises a pulse pallet 24 which cooperates with the teeth 13 of the second escape wheel 11.
  • the anchor 25 also comprises two other pallets of rest 26, 28 respectively of entry and exit which cooperate with the teeth 8 of the first escape wheel 1.
  • the document EP 2 261 171 discloses a composite mobile formed from at least one silicon element and a metal element from respectively reactive ion etching and electroforming.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by providing a mobile such as a coaxial escapement mobile whose alignment problems are reduced and whose inertia is reduced.
  • the invention relates to a single-piece mobile having a first toothing formed at the periphery of a board formed of a hub connected to the first toothing with the aid of at least one arm and a second toothing characterized in that the second toothing is formed in one piece with the board of the first toothing and in that each tooth of the second toothing is independent of one another and protrudes from the board of the first to reduce the alignment problems with respect to each other and reduce the overall mass of the mobile and, in particular, such a mobile type exhaust coaxial whose first gear is arranged to cooperate with an anchor and at least a first pallet series and a second toothing arranged to cooperate with a second pallet series.
  • the invention relates to a coaxial exhaust system for a timepiece comprising an anchor intended to cooperate with a monobloc coaxial escapement mobile according to one of the preceding variants, the first toothing of the mobile being arranged to cooperate with a peg integral with a rocker and being intended to cooperate with a first pallet series of the anchor, the second toothing being intended to cooperate with a second pallet series of the anchor and arranged to form the pinion 'exhaust.
  • the problems of alignment between the first and second wheels are reduced by manufacturing a mobile 100, 100 'grouping said wheels integrally, that is to say in one piece.
  • a mobile 100, 100 'grouping said wheels integrally, that is to say in one piece.
  • exhaust 100, 100 'and, incidentally, its inertia exhaust 100, 100 'and, incidentally, its inertia.
  • the following explanation is made from a coaxial escape wheel.
  • any type of mobile at least two levels is applicable to the present invention.
  • the first pattern forms a toothed wheel 101 corresponding to the first escape wheel 1 of the figure 11 .
  • It comprises a board 103 forming a hub 102, the center of which has an opening 104 and from which the arms 106 leave each end of which forms a tooth 108 corresponding to a tooth 8 of the figure 11 .
  • a board 103 is thus obtained comprising a first toothing at its periphery.
  • the opening 104 comprises elastic fixing means 105 intended to cooperate radially with an axis of the type of that referenced 3 to the figure 11 by elastic deformation in order to rotatably mounting the escape wheel 101 and, consequently, the escapement wheel 100.
  • These resilient fixing means 105 are formed by slender portions made by recessing a portion of the hub 102. The slender portions are used to tighten the axis, that is to say, to secure the mobile 100 of the latter, without subjecting the rest of the board 103 stress.
  • Such elastic means may, for example, take the form of those disclosed in the Figures 10A to 10E of the document EP 1 655 642 or those disclosed in the Figures 2 to 5 of the document WO 2007/099068 which documents are incorporated by reference into the present description.
  • the second unit 111 instead of bringing back a second escape wheel 11 as in the figure 11 , the mobile 100 being integral, the second unit 111, projecting from the first 101, is formed solely by a second toothing formed of teeth 113 corresponding to the teeth 13 of the figure 11 .
  • the teeth 113 are independent of each other and are integral with the arms 106.
  • each tooth 113 is integral with a separate arm 106.
  • the second toothing has as many teeth 113 as the board 103 has arms 106.
  • this feature is not essential, there could very well be several teeth 113 on a single arm 106.
  • the first pattern forms a toothed wheel 101 'corresponding to the first escape wheel 1 of the figure 11 . It comprises a board 103 'forming a hub 102' whose center has an opening 104 'and from which the arms 106' leave each end forming a tooth 108 'corresponding to a tooth 8 of the figure 11 .
  • a board 103 'having a first toothing at its periphery is thus obtained.
  • the opening 104 ' comprises plastic fixing means 107 intended to cooperate radially with an axis of the type of that referenced 3 to the figure 11 in order to rotatably mount the escape wheel 101 'and, therefore, the escape wheel 100'.
  • plastic fixing means 107 are formed by a washer made of metallic material enabling the mobile 100 'to be driven against said axis by plastic deformation without stressing the board 103'.
  • other plastic fixing means are possible.
  • the second pattern 111' is formed solely by a second toothing formed of teeth 113' corresponding to the teeth 13 of the figure 11 .
  • the teeth 113 ' are independent of each other and are integral with the arms 106'.
  • each tooth 113 ' is integral with a separate arm 106'.
  • the second set of teeth has as many teeth 113 'as the board 103' has arms 106 '.
  • this characteristic is not essential, it could very well be several teeth 113 'on a single arm 106'.
  • An electroformable material may be formed with gold and / or copper and / or silver and / or indium and / or platinum and / or palladium and / or nickel without these compounds being exhaustive. Indeed, other compounds such as phosphorus can be added in a smaller amount.
  • a micro-machinable material can be formed by silicon carbide, crystallized silicon, crystallized alumina or crystallized silica without these compounds being equally exhaustive.
  • the method comprises a first step consisting in providing a substrate 31 comprising an upper layer 33 and a lower layer 35 made of micro-machinable materials which are interconnected by an intermediate layer 34.
  • This type of substrate 31 is also known. under the abbreviation SOI from the English term "Silicon On Insulator”.
  • This second step thus makes it possible to form one or more first pattern (s) 101, 101 'of the mobile 100, 100' in the upper layer 33.
  • a mask 37 is formed, for example by photolithography, to protect the part of the upper layer 33 that it is desired to keep and, as illustrated by broken lines, the upper part of the substrate 31 is subjected to an anisotropic etching of the type deep reactive ion etching also known by the abbreviation DRIE from the English term "Deep Reactive Ion Etching".
  • DRIE deep reactive ion etching
  • the first pattern 36 having a first level 101, 101 'of at least one escape wheel 100, 100' is obtained.
  • This third step thus makes it possible to form one or more second pattern (es) 111, 111 'of the mobile 100, 100' in the lower layer 35.
  • a mask 39 is formed, for example by photolithography, to protect the part of the lower layer 35 which it is desired to keep and, as illustrated by broken lines, the lower part of the substrate 31 is subjected to an anisotropic etching of the type deep reactive ion etching (DRIE).
  • DRIE deep reactive ion etching
  • the second pattern 38 having at least one second level 111, 111 'is formed integrally with one of the first levels 101, 101' formed in the preceding steps.
  • an additional oxidation step is performed in order to form at least a portion of silicon dioxide at its outer surface for the purpose of make it more mechanically strong.
  • the method comprises a first step of providing a substrate 41 having an electrically conductive upper layer.
  • This layer can be obtained by the deposition of an electrically conductive material on an insulating material or in that the substrate is formed of an electrically conductive material.
  • the main steps of electroforming consist in forming a mold and then filling the mold with a material, for example, using electroplating.
  • This type of electroforming is known by the abbreviation LIGA from the German terms "röntgenLIthographie, Galvanoformung &Abformung".
  • LIGA-type processes depending on whether the multi-level mold is formed between each electroplating or is formed entirely to be filled only after.
  • the technique presented consists in forming each level, that is to say forming a level of the mold and filling it before going to the next level.
  • any type of electroforming, LIGA type or not, capable of forming a mobile unit in at least two distinct levels is possible.
  • the first level 47 of the mold is formed using, for example, a photolithography of a resin as illustrated in FIG. figure 5 .
  • At least one cavity of corresponding shape is formed at the first pattern 101, 101 ', ie at least one first toothing (teeth 108, 108') of the escape wheel 100, 100 'at the periphery of the board 103, 103 '.
  • the first level is then filled by electroplating a metal material 46.
  • the second level 49 is formed using, for example, also a photolithography of a resin. At least one recess of corresponding shape is formed at the second pattern 111, 111 ', ie at least one second toothing (teeth 113, 113') of the escape wheel 100, 100 'and communicating with said at least one cavity of the first level 47.
  • the second level 49 is then filled by electrodeposition of a metallic material 48.
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • the toothed wheels 101, 101 ' may comprise a serge such as that 9 of the figure 11 without departing from the scope of the present invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Micromachines (AREA)
EP10166896.0A 2010-06-22 2010-06-22 Mobile monobloc pour une pièce d'horlogerie Active EP2400351B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP10166896.0A EP2400351B1 (fr) 2010-06-22 2010-06-22 Mobile monobloc pour une pièce d'horlogerie
JP2011126906A JP5802441B2 (ja) 2010-06-22 2011-06-07 シングル・ピースの時計用歯車セット
KR1020110058542A KR20110139110A (ko) 2010-06-22 2011-06-16 시계용 단일편 휠 세트
US13/165,359 US8439557B2 (en) 2010-06-22 2011-06-21 Single piece wheel set for a timepiece
CN201110169455.2A CN102368148B (zh) 2010-06-22 2011-06-22 用于钟表的单件式轮副
HK12108715.3A HK1168156A1 (en) 2010-06-22 2012-09-06 Single piece wheel set for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10166896.0A EP2400351B1 (fr) 2010-06-22 2010-06-22 Mobile monobloc pour une pièce d'horlogerie

Publications (2)

Publication Number Publication Date
EP2400351A1 EP2400351A1 (fr) 2011-12-28
EP2400351B1 true EP2400351B1 (fr) 2013-09-25

Family

ID=43414258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10166896.0A Active EP2400351B1 (fr) 2010-06-22 2010-06-22 Mobile monobloc pour une pièce d'horlogerie

Country Status (6)

Country Link
US (1) US8439557B2 (xx)
EP (1) EP2400351B1 (xx)
JP (1) JP5802441B2 (xx)
KR (1) KR20110139110A (xx)
CN (1) CN102368148B (xx)
HK (1) HK1168156A1 (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2605080B1 (fr) * 2011-12-16 2014-09-10 ETA SA Manufacture Horlogère Suisse Roue d'horlogerie surmoulée
KR101676148B1 (ko) * 2012-03-29 2016-11-14 니바록스-파 에스.에이. 가요성 레버-프리 이스케이프먼트 메카니즘
EP2767869A1 (fr) 2013-02-13 2014-08-20 Nivarox-FAR S.A. Procédé de fabrication d'une pièce de micromécanique monobloc comportant au moins deux niveaux distincts
JP6210535B2 (ja) * 2013-07-25 2017-10-11 セイコーインスツル株式会社 脱進機、時計用ムーブメントおよび時計
EP2860591A1 (fr) * 2013-10-09 2015-04-15 Nivarox-FAR S.A. Système d'assemblage utilisant un élément de blocage élastique conique
CH708827A2 (fr) * 2013-11-08 2015-05-15 Nivarox Sa Pièce de micromécanique creuse, à plusieurs niveaux fonctionnels et monobloc en un matériau à base d'un allotrope synthétique du carbone.
EP2924517B1 (fr) * 2014-03-24 2016-11-09 Nivarox-FAR S.A. Pièce composite monobloc cheville- petit plateau
US9678477B2 (en) * 2014-09-12 2017-06-13 Seiko Instruments Inc. Mechanical component, mechanical component manufacturing method, movement, and timepiece
EP3234672B1 (en) 2014-12-19 2021-09-08 CommScope Telecommunications (Shanghai) Co. Ltd. Hardened fiber optic connector with pre-compressed spring
EP3321747B1 (en) * 2015-08-25 2020-09-30 Citizen Watch Co., Ltd. Watch escapement
CN108700845B (zh) * 2015-12-21 2020-08-04 迪特拉有限公司 钟表擒纵装置和该装置的操作方法
JP6919166B2 (ja) * 2016-09-14 2021-08-18 セイコーエプソン株式会社 機械部品の製造方法、及び時計の製造方法
JP6772790B2 (ja) * 2016-11-29 2020-10-21 セイコーエプソン株式会社 時計部品の製造方法、及び時計の製造方法
CH715023A1 (fr) * 2018-05-25 2019-11-29 Sa De La Manufacture Dhorlogerie Audemars Piguet & Cie Échappement à détente auto-démarrant et sécurisé pour pièce d'horlogerie
CN112567298B (zh) * 2018-07-19 2022-04-12 沃纳·詹纳 多凸轮连续驱动式擒纵机构
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
EP3901707B1 (fr) * 2020-04-23 2024-02-28 ETA SA Manufacture Horlogère Suisse Mecanisme d'echappement d'une piece d'horlogerie

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US200533A (en) * 1878-02-19 Improvement in escapements for watches and clocks
US515862A (en) * 1894-03-06 Duplex escapement-wheel
US20252A (en) * 1858-05-18 carpenter
US635729A (en) * 1899-02-17 1899-10-24 Henry Ganney Escapement.
CH1533473A4 (xx) * 1973-10-31 1976-11-30
EP0018796B1 (en) * 1979-04-30 1984-11-07 George Daniels Watches, clocks and chronometers and escapements therefor
DE69840505D1 (de) * 1998-10-15 2009-03-12 Eta Sa Mft Horlogere Suisse Verfahren zur Herstellung eines Zahnrades für eine Uhr sowie ein nach diesem Verfahren hergestelltes Zahnrad
DE69909236T2 (de) 1999-04-12 2004-04-22 Omega S.A. Koaxiale Ankerhemmung
CH693805A5 (fr) * 2002-12-03 2004-02-13 David Watson Lea Pièce d'horlogerie possédant un mécanisme d'échappement.
EP1445670A1 (fr) 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiral de résonateur balancier-spiral et son procédé de fabrication
EP1826634A1 (fr) 2006-02-28 2007-08-29 Nivarox-FAR S.A. Pièce de micro-mécanique avec ouverture de forme pour assemblage sur un axe
EP1850193B1 (fr) * 2006-04-28 2019-06-12 Patek Philippe SA Genève Procédé de chassage d' une pièce dans une autre
TWI461865B (zh) * 2006-06-23 2014-11-21 Omega Sa 用於機械式時計機心之擺輪游絲調節系統及具有此系統之時計
EP1932804B1 (fr) * 2006-12-11 2017-03-22 Mimotec S.A. Pièces mixtes silicium/métal et méthodes de fabrication s'y référant
JP2010121693A (ja) * 2008-11-19 2010-06-03 Seiko Instruments Inc 機械部品、機械部品の製造方法および時計
EP2228692A1 (fr) * 2009-03-12 2010-09-15 ETA SA Manufacture Horlogère Suisse Roue à colonnes pour chronographe, chronographe et montre-chronographe comportant une telle roue
EP2263971A1 (fr) 2009-06-09 2010-12-22 Nivarox-FAR S.A. Pièce de micromécanique composite et son procédé de fabrication

Also Published As

Publication number Publication date
KR20110139110A (ko) 2011-12-28
EP2400351A1 (fr) 2011-12-28
HK1168156A1 (en) 2012-12-21
US20110310709A1 (en) 2011-12-22
CN102368148A (zh) 2012-03-07
JP5802441B2 (ja) 2015-10-28
CN102368148B (zh) 2013-11-06
JP2012008125A (ja) 2012-01-12
US8439557B2 (en) 2013-05-14

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