EP1217471B1 - Procédé de fixation de pierres dans une pièce d'un mouvement d'horlogerie et dispositif pour sa mise en oeuvre - Google Patents

Procédé de fixation de pierres dans une pièce d'un mouvement d'horlogerie et dispositif pour sa mise en oeuvre Download PDF

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Publication number
EP1217471B1
EP1217471B1 EP00204480A EP00204480A EP1217471B1 EP 1217471 B1 EP1217471 B1 EP 1217471B1 EP 00204480 A EP00204480 A EP 00204480A EP 00204480 A EP00204480 A EP 00204480A EP 1217471 B1 EP1217471 B1 EP 1217471B1
Authority
EP
European Patent Office
Prior art keywords
housing
setting device
jewels
fixing
positioning means
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.)
Expired - Lifetime
Application number
EP00204480A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1217471A1 (fr
Inventor
Friedrich Durand
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
Publication of EP1217471A1 publication Critical patent/EP1217471A1/fr
Application granted granted Critical
Publication of EP1217471B1 publication Critical patent/EP1217471B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/04—Devices for placing bearing jewels, bearing sleeves, or the like in position
    • 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
    • G04B19/06—Dials
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/06—Manufacture or mounting processes
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/04—Devices for placing bearing jewels, bearing sleeves, or the like in position
    • G04D3/042—Devices for placing bearing jewels, bearing sleeves, or the like in position for bearing jewels
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/04—Devices for placing bearing jewels, bearing sleeves, or the like in position
    • G04D3/045—Devices for placing bearing jewels, bearing sleeves, or the like in position for lever, Impulse-pin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/23—Gem and jewel setting

Definitions

  • the present invention relates to a method of setting and fixing stones in parts of a clockwork movement, both to increase the relative positioning accuracy of the mobiles and to reduce the cost price of the finished product.
  • stones or rubies are used essentially for the bearing surfaces of the axes of certain wheels, designated by bearings, counterpots or thrust bearings and at the level of the exhaust for the pallets of entry and exit of the anchor and for the plate anchor.
  • bearings, counterpots or thrust bearings there are currently various techniques for attaching these stones to appropriate places, such as platinum, deck, anchor and escape tray, but the most widespread, one could say since the origin of the watch industry, is to perform a chasing the stone either in a kitten, or most often directly in a housing machined in the room for receiving said stone.
  • the patent CH 384 473 proposes an eccentric device for wedging a counter-pivot in two recesses of the housing wall.
  • the device described in the patent CH 362 286 proposes a rather close device consisting of a bayonet assembly.
  • Other devices provide means for wedging a stone by elastic rings that lock in grooves in the wall of the housing. It is obvious that such devices make it possible to have less demanding tolerances in the machining of the stone and the housing, but that they are not entirely satisfactory as regards the spatial positioning of the stones and fixing to their support.
  • the present invention aims to overcome the disadvantages of the aforementioned prior art by deferring the requirement of precision at a fixture and using laser technology for fixing stones in their housing.
  • the invention relates to a method according to claim 1 and a fixing device according to claim 11. for fixing stones in a clockwork movement by laser beam by means of a setting device .
  • Parts means the fixed parts of a clockwork movement, such as plates and decks, or moving parts such as the escapement, the stones then being designated by pad, counter-pivot, plateau pin or pallet of anchor. These stones are obtained synthetically from a fine powder of alumina and machined essentially by diamonding to put them next to the housing in which they are currently subjected by hunting.
  • the method according to the invention consists, on the contrary, in using a setting which determines very precisely, with respect to a reference surface of the part wedged on the setting device, the spatial position of the stone with respect to its housing, the tolerances of which machining can be much less strict.
  • the positioning means are formed by studs anchored in the surface of the laying device and passing through a through passage provided at the bottom of housing.
  • the distal portion of the stud has a diameter substantially equal to the piercing diameter of the pad.
  • the anchored portion in the setting device may have the same diameter as the distal portion, the stone resting on the bottom of the housing which will then be machined to a very precise dimension.
  • the anchored portion of the stud may also have a larger diameter than the distal portion by providing a shoulder positioning vertically the stone relative to the reference surface of the part, regardless of the machining accuracy of the bottom.
  • the setting device comprises positioning means inverted with respect to those mentioned above, namely cavities formed in the surface of the installation and in which stones can be immobilized temporarily with great accuracy by locking means, such as locking screws or spring loaded pins.
  • the spatial positioning accuracy of the stones also depends on the accuracy of the wedging of the piece, which precision can be obtained for example by means of tabs arranged on an edge of the piece, or by means of studs passing through it, these means set-up being precisely mounted on the setting device.
  • FIG. 1 to 4B is shown in section along the line II of the figure 5 several embodiments of the method according to the invention for fixing a pierced stone 20, more generally referred to as "pad" in a part 1 of a clockwork movement, such as a plate or a bridge.
  • a pad has a diameter of the order of a millimeter and the relative dimensions have not necessarily been respected for clarity of the drawings.
  • the part 1 comprises in its upper face 1a a housing 3 defined by a wall 4 and whose bottom has a through passage 5 joining the lower face 1b.
  • This through passage generally has a diameter much greater than the piercing of the bearing 20 to give access to an oiler 21.
  • the part 1 is placed on a laying device comprising a base 11 are the perfectly rectified upper surface forms a reference plane 13 for the horizontal coordinates x, y.
  • the reference plane 13 comprises at least one stud 15 whose lower part 17 is anchored in the base 11, as shown, or may be integral with said base 11.
  • the distal portion 16 of the peak 15 extends at least until at the upper face 1a of the part 1 and has a diameter substantially equal to the bore of the pad 20 to be placed in the housing, that is to say ideally with a zero clearance for the translation of the pin in the bore.
  • the reference plane 13 also comprises means for wedging the part 1 in the x, y referential, these means being, for example cleats 19 or a stud 9, as shown in FIG. figure 6 .
  • the pads 20 are then threaded on the studs 15 and posed in their respective housing 3, with a bold adjustment, that is to say with a fit that alone would be insufficient to ensure sufficient strength to use.
  • the studs 15 thus make it possible to fix the relative position of the bearings 20 in the reference plane 13 relative to the wedging of the part 1 on the setting device, and more still with respect to each other, as represented in the schematic view of the figure 5 .
  • the figure 5 shows, as an example in plan view, a setting device 11 supporting a part 1 comprising three pads 20a, 20b, 20c, positioned very precisely in the plane x, y by the studs 15a, 15b, 15c while by being able to have a certain lateral clearance 24 with the wall 4 of the housing 3, as represented for example by Figures 4A and 4B .
  • the spatial positioning along the vertical axis z is obtained by the machining precision of the flange 1c of the bottom of the housing 3, on which the outer surface of the stone 20 rests and by the machining precision of the thickness of the stone.
  • the spatial positioning along the vertical axis z is obtained by a shoulder 18 of the pin 16 situated between its anchored portion 17 in the base 11 and its distal portion 16.
  • the pad 20 is positioned with a fatty friction in the housing 3 possibly leaving a free space 22 between the flange 1c and the base of the pad 20.
  • the spatial reference for the pads 20 is constituted solely by the setting device.
  • the contour of the opening is followed with a beam of laser beams so as to create a melting zone 6 between the edge of the pad 20 and the wall 4 of the housing 3.
  • the "piece" of the watch movement platinum or bridge
  • the stone is usually a synthetic stone carved in a pear of corundum.
  • a titanium dioxide deposit is first made on the wall 4 of the housing 3, for example by using chemical vapor deposition (CVD) technology.
  • the laying device is the same as that shown in figure 1 .
  • the perimeter of the housing 3 comprises a rim 7a coming from material with the part 1, this rim 7a being continuous as shown, or discontinuous.
  • the flange 7a is folded towards the center of the housing 3 to form a bead 7b which holds the pad 20 at the bottom of the housing 3.
  • the Figures 4A and 4B represent an embodiment in which the laying device is the same as that shown in FIG. figure 2 but differs in that the pad 20 is positioned only by the peak 15 by providing a small space 22 between the bottom of the housing 3 and another space 24 between the wall.
  • these spaces 22, 24 make it possible to have very wide tolerances for the machining of the housing 3 and for the machining of the bushing 20.
  • the bushing 20 is immobilized in the housing 3 by bringing a periphery cord 8a of fusible material, such as silver or a composition based on silver and lead, tin or indium.
  • a periphery cord 8a of fusible material such as silver or a composition based on silver and lead, tin or indium.
  • the fusible material 8a forms a mass 8b which infiltrates the spaces 22, 24 and blocks the pad 20 in the spatial position determined by the peak 15.
  • the figure 5 in top view and the figure 6 in section show by way of example a portion of part 1 comprising three bearings 20a, 20b, 20c whose relative positions of the pivot holes are determined by three studs 15a, 15b, 15c anchored in the base 11 of the setting device.
  • the part 1 is wedged on the setting device by means of a stud 9, anchored in the base 11, and two cleats 19, these setting means being given by way of example, because it is obviously possible to design other equivalents.
  • the figure 7 represents in view from below such a plate 2 which comprises in known manner a large plate 26, having close to its edge and perpendicular to its plane a housing 23 passing through it from one side to receive a pin 10 (not shown), joined by a sleeve 27 to a small plate 28 provided with a notch 28a.
  • the figure 8 represents in plan view the laying device 12 whose structure will be better understood while also referring to the figure 9 which represents in section along line IX-IX Figures 7 and 8 the exhaust tray 2 put in placed on the setting device 12.
  • This device comprises a first reference plane 13, provided with a stud 9 which passes through the sleeve 27, the reference plane 13 serving as support for the base of the small plate 28.
  • the device of FIG. posage also comprises a second reference plane 14, parallel to the plane 13, at a level corresponding to the distance between the base of the small plate 28 and the lower surface of the large plate 26.
  • the wall that joins the two reference planes 13, 14 has a boss 29 having the same shape as the notch 28a and constituting with the pad 9 the wedging means of the exhaust plate 2, Of course, other wedging means can be envisaged.
  • the second reference plane 14 has a cavity 25 for receiving and positioning a stone 10 forming the plateau pin.
  • the stone 10 in the form of a half-moon is immobilized temporarily by means of a locking screw 31 of axis parallel to the reference planes 13, 14. Once the stone 10 is spatially immobilized on the setting device, simply set up the exhaust plate 2 and fix the stone 10 by laser beam according to one of the previously indicated embodiments.
  • the driving technique would have caused a deformation of the edge of the large plate at the housing so that it would have been necessary to proceed with a diamondizing operation which ultimately leads to scrap at least 50% of the parts produced.
  • the method according to the invention makes it possible to economize a machining operation and to produce a greater percentage of conforming parts.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)
  • Laser Beam Processing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP00204480A 2000-12-13 2000-12-13 Procédé de fixation de pierres dans une pièce d'un mouvement d'horlogerie et dispositif pour sa mise en oeuvre Expired - Lifetime EP1217471B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH02425/00A CH702216B1 (fr) 2000-12-13 2000-12-13 Procédé de fixation de pierres dans une pièce d'un mouvement d'horlogerie et dispositif pour sa mise en œuvre.

Publications (2)

Publication Number Publication Date
EP1217471A1 EP1217471A1 (fr) 2002-06-26
EP1217471B1 true EP1217471B1 (fr) 2009-04-29

Family

ID=4569172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00204480A Expired - Lifetime EP1217471B1 (fr) 2000-12-13 2000-12-13 Procédé de fixation de pierres dans une pièce d'un mouvement d'horlogerie et dispositif pour sa mise en oeuvre

Country Status (8)

Country Link
US (1) US6698918B2 (ko)
EP (1) EP1217471B1 (ko)
JP (1) JP4319367B2 (ko)
KR (1) KR100856651B1 (ko)
CN (1) CN1262898C (ko)
CH (1) CH702216B1 (ko)
DE (1) DE60042120D1 (ko)
HK (1) HK1047630B (ko)

Families Citing this family (22)

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Publication number Priority date Publication date Assignee Title
DE60143768D1 (de) * 2001-03-21 2011-02-10 Glashuetter Uhrenbetrieb Gmbh Uhr mit mechanismus für die einschaltung einer zeitmessfunktion und für die gleichzeitige spannung einer zugfeder
US20070079539A1 (en) * 2005-10-06 2007-04-12 Theodore Karagias Trigger mechanism and a firearm containing the same
US7743543B2 (en) * 2005-10-06 2010-06-29 Theodore Karagias Trigger mechanism and a firearm containing the same
EP1921042A1 (fr) * 2006-11-10 2008-05-14 ETA SA Manufacture Horlogère Suisse Procédé de fabrication de pièces de micromécanique multiniveaux en silicium et pièces ainsi obtenues
EP1986059A1 (fr) * 2007-04-26 2008-10-29 ETA SA Manufacture Horlogère Suisse Dispositif de pivotement d'un arbre dans une pièce d'horlogerie
CN101377654B (zh) * 2007-08-30 2011-04-27 上海关勒铭有限公司 宝石轴承自动穿管机
CN101745824B (zh) * 2009-12-25 2012-12-19 成都飞机工业（集团）有限责任公司 工件连续外形面的简便柔性定位方法
CN102200756B (zh) * 2010-05-17 2013-01-16 上海关勒铭有限公司 球面弧孔钻认向盒
EP2458454B1 (fr) * 2010-11-25 2018-05-02 ETA SA Manufacture Horlogère Suisse Dispositif de positionnement d'un pont sur une platine
UY34599A (es) * 2012-02-03 2013-09-02 Sicpa Holding Sa Identificación de relojes y sistema y método de autenticación
EP2823365B1 (fr) * 2012-02-29 2016-04-20 ETA SA Manufacture Horlogère Suisse Ajustement d'aiguille sous cadran
ITMI20131343A1 (it) * 2013-08-05 2015-02-06 Dolce & Gabbana Srl Sistema di fissaggio di gemme al quadrante di un orologio e orologio dotato di tale sistema di fissaggio delle gemme
US9678478B2 (en) * 2013-08-16 2017-06-13 University Of Massachusetts Facetted jewel bearings
US9377255B2 (en) 2014-02-03 2016-06-28 Theodore Karagias Multi-caliber firearms, bolt mechanisms, bolt lugs, and methods of using the same
JP6135610B2 (ja) * 2014-06-30 2017-05-31 カシオ計算機株式会社 植字固定方法、植字固定構造及び時計
US11036186B2 (en) * 2016-12-23 2021-06-15 Comadur Sa Reduced-friction shaft support bearing
CH714819A2 (fr) * 2018-03-21 2019-09-30 Dominique Renaud Sa Dispositif de fixation et de réglage d'un palier, notamment pour pièces d'horlogerie.
US11067347B2 (en) 2018-11-30 2021-07-20 Theodore Karagias Firearm bolt assembly with a pivoting handle
CH716878A1 (de) * 2019-12-02 2021-06-15 Bucherer Ag Schlagwerk, Armbanduhr und Regulator.
EP3835881A1 (fr) * 2019-12-10 2021-06-16 Comadur S.A. Pierre, notamment pour un mouvement d'horlogerie, et son procédé de fabrication
JP2023553721A (ja) * 2020-12-21 2023-12-25 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス 特に計時器構成要素を装備するための、力及び距離を同時に測定するデバイス
CN114714160B (zh) * 2022-05-05 2023-03-17 东莞塘厦泰兴表业制造有限公司 一种表壳表面溜光工艺

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Publication number Priority date Publication date Assignee Title
CH362286A (fr) 1959-09-10 1962-05-31 Seitz & Co Dispositif de fixation à l'intérieur l'un de l'autre de deux éléments et procédé de fabrication de ce dispositif
CH384473A (fr) 1961-08-07 1964-07-31 Erismann-Schinz S A Palier fixe pour pièce d'horlogerie
CH378242A (de) 1963-02-15 1964-05-31 Kaegi Bruno Einrichtung zum Einsetzen von Lagersteinen in Getriebewerkplatten
CH417479A (fr) 1964-09-10 1966-07-15 Charpilloz Theodore Machine automatique à chasser, notamment des pièces de petites dimensions
FR2619293B1 (fr) * 1987-08-14 1990-01-12 Diamant Applic Procedes et dispositifs pour sertir mecaniquement une pluralite de petites pierres precieuses sur une face plane d'un bijou
FR2662965B1 (fr) * 1990-06-11 1994-11-04 Cheval Freres Sa Procede de soudure d'elements sur un support.
KR940010406B1 (ko) * 1993-01-06 1994-10-22 오준환 장신용 보석체인의 보석수납고정장치
US5475910A (en) * 1993-09-28 1995-12-19 Yamamoto; Katsumi Jewel setting method
EP0918264B9 (fr) * 1997-11-14 2003-02-26 Bob Microtechnique Sàrl Dispositif de réglage de la position d'une levée montée sur une ancre d'un échappement d'un mouvement d'horlogerie
KR200207428Y1 (ko) * 2000-04-15 2000-12-15 임태식 보석 자동 부착장치
JP2002007428A (ja) * 2000-06-27 2002-01-11 Solution.Com:Kk 住宅販売・購入仲介システム、データ処理装置、住宅販売・購入仲介方法、及びコンピュータ読み取り可能な記憶媒体
JP4709588B2 (ja) * 2005-06-21 2011-06-22 オークマ株式会社 ネジ切削加工制御方法及びその装置

Also Published As

Publication number Publication date
CN1262898C (zh) 2006-07-05
KR20020046943A (ko) 2002-06-21
JP4319367B2 (ja) 2009-08-26
CH702216B1 (fr) 2011-05-31
CN1359038A (zh) 2002-07-17
HK1047630B (zh) 2007-02-23
US20020071349A1 (en) 2002-06-13
DE60042120D1 (de) 2009-06-10
KR100856651B1 (ko) 2008-09-03
JP2002257958A (ja) 2002-09-11
EP1217471A1 (fr) 2002-06-26
US6698918B2 (en) 2004-03-02
HK1047630A1 (en) 2003-02-28

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