EP1705533B1 - Zusammenbau eines Teils mit einer Achse - Google Patents

Zusammenbau eines Teils mit einer Achse Download PDF

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Publication number
EP1705533B1
EP1705533B1 EP05006186A EP05006186A EP1705533B1 EP 1705533 B1 EP1705533 B1 EP 1705533B1 EP 05006186 A EP05006186 A EP 05006186A EP 05006186 A EP05006186 A EP 05006186A EP 1705533 B1 EP1705533 B1 EP 1705533B1
Authority
EP
European Patent Office
Prior art keywords
spindle
washer
piece
axis
wheel
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.)
Not-in-force
Application number
EP05006186A
Other languages
English (en)
French (fr)
Other versions
EP1705533A1 (de
Inventor
Frédéric Maier
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
Priority to EP05006186A priority Critical patent/EP1705533B1/de
Priority to DE602005020416T priority patent/DE602005020416D1/de
Priority to AT05006186T priority patent/ATE463766T1/de
Priority to EP06003784A priority patent/EP1708045A3/de
Publication of EP1705533A1 publication Critical patent/EP1705533A1/de
Priority to HK07102833.0A priority patent/HK1095643A1/xx
Application granted granted Critical
Publication of EP1705533B1 publication Critical patent/EP1705533B1/de
Not-in-force 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • 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
    • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
    • 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
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears

Definitions

  • the present invention relates to a device for fixing a silicon part, in particular a wheel, board, pinion or ferrule on an axis. More particularly, the fixing device relates to the fixing of such a silicon part on a steel shaft.
  • the silicon parts can not be crimped or driven traditionally on a steel shaft to ensure their fixation in a safe manner, the silicon does not deform plastically.
  • the wheels or silicon parts may comprise, as described in the document EP 1.513.029 A1 , arms or elastic portions defining bearing zones intended to cooperate with the axis.
  • the elastic force due to the arms or elastic parts is not always sufficient to ensure the necessary attachment of the part in particular to prevent axial or radial displacement of this part relative to the axis both when mounting the mobile in a mechanism that when shocks to which this mechanism can be subjected.
  • the object of the present invention is to provide a device for assembling a silicon part on an axis making it possible to ensure the axial as well as the radial position of the part with respect to the axis during shocks or during manipulations. the mounting of such an assembly in a mechanism, shocks or manipulations that may involve axial or radial forces between the axis and the workpiece greater than the normal operating torque of this assembly.
  • the fixing device of a part, in particular of a board, wheel, ferrule or pinion in silicon on a steel shaft makes it possible to obviate the aforementioned drawbacks and to reach the goal stated above and is distinguished by the characteristics listed in claim 1 and following.
  • FIG. 1 to 6 shows more particularly the assembly of a silicon escapement wheel 1 on the axis 2 of an escape wheel pinion 3 with the aid of the device according to the present invention.
  • the axis 2 has come from a workpiece with the pinion 3 of the escape wheel and is made of steel "Sandvik 20 AP" for example, the escape wheel 1 being made of silicon as indicated above.
  • the axis 2 comprises a bearing 4 of a diameter D4 on a length L.
  • the figure 2 illustrates by way of example in plan a silicon escapement wheel comprising a serge 5 provided with an exhaust toothing and three arms or elastic bridges 6 whose central portions 6a define cylindrical portions 7 which at rest are arranged on a cylinder of diameter D7.
  • the diameter D7 of the cylindrical passage defined by the cylindrical portions 7 of the arms 6 of the escape wheel 1 is slightly smaller than the diameter D4 of the bearing surface 4 of the axis 2 so that the wheel is driven on the shaft by deformation. elastic of his arms.
  • the tolerances on the diameter D4 of the bearing surface 4 of the axis 2 and on the passage formed by the cylindrical portions 7 of the arms of the wheel 1 are determined so that the forces caused during the installation of the wheel on the axis remain below the elastic limit of silicon.
  • the end of the axis 2 comprising the bearing surface 4 still has an intermediate portion 8 of smaller diameter than the diameter D4 of this bearing surface 4 and ends with a pivot 9 for the pivoting of this end of the axis 2 in a bearing.
  • the intermediate portion B of the axis 2 is connected to the bearing surface 4 of this axis 2 by a frustoconical chamfer 10.
  • the end 9 of this axis 2 is introduced into the cylindrical passage defined by the cylindrical portions 7 of the arms 6 of the escape wheel in order to force the axis in this direction. passage causing the elastic spacing of the arms 6 of the escape wheel 1 and the positioning of the cylindrical portions 7 of said arms against the bearing surface 4 of the axis 2.
  • the fixing device comprises a washer 11 as illustrated in FIGS. Figures 4 and 5 .
  • This washer 11 is made for example of nickel silver, brass or steel, and comprises a central bore 12 with a diameter D12 smaller than the diameter D8 of the intermediate portion 8 of the axis 2 in the case where the washer is driven.
  • This washer 11 is driven, glued, crimped, welded or fixed in any other way, on the intermediate portion 8 of the axis 2 and keeps the wheel 1 in axial position against the face of the pinion 3.
  • the fixing of this washer 11 sure the axis 2 is sufficiently strong to avoid axial, radial or angular relative displacement of the wheel 1 with respect to the axis 2 even under the effect of violent shocks or manipulations assembly of the assembly in a mechanism.
  • This washer 11 may further comprise lugs 13 coming for example to be housed against the outer face 14 of the central portions 6a of the elastic arms 6 of the wheel 1, which prevents any relative rotation between the wheel 1 and its axis 2 as well as any transverse displacement of the wheel 1 with respect to this axis 2.
  • the passage of the wheel could have a non-circular section cooperating with a portion of the axis or pinion which would have a section of corresponding form.
  • the wheel 1 can be fixed in rotation on the axis 2 either directly by appropriate forms of these elements cooperating together, or by means of formations that comprises the washer 11 cooperating with corresponding formations of the wheel 1.
  • the fixing device has been described with reference to a silicon wheel provided with three elastic arms. It goes without saying that the wheel could have only two elastic arms provided that the central passage is defined by three points of contact with these arms. One can also consider a wheel with more than three elastic arms. It is also obvious that this same device could be used for the attachment of a rigid radial arm wheel whose hub would be provided with a hole for centering on the intermediate portion 8 of the axis 2 by an introduction to friction of the wheel on this portion of the axis.
  • the elastic arms of the wheel can in variants be replaced by an elastic portion of the wheel ensuring the centering on the axis.
  • the washer 11 may comprise one or more lugs 12 and these do not cooperate with spokes or arms of the wheel 1, but with corresponding trainings that would include this wheel. In this way any transverse or angular displacement of the wheel relative to the axis is prohibited.
  • the assembly device described can be used to fix any piece 1 of silicon on an axis that may not include pinion 3.
  • the axis 2 comprises an axial stop, equivalent to the face of the pinion illustrated. against which is axially positioned the wheel 1.
  • the second embodiment illustrated in Figures 7 to 10 relates to the fixing of a spiral spring 20 made of silicon comprising a ferrule 21 coming from a work piece with the spiral 20.
  • This ferrule 21 comprises a passage 22 and a radial slot 23.
  • This silicon spiral 20 must be fixed with the aid of the present device on an axis 24 on which part is driven a rocker 25.
  • This axis 24 has a terminal portion 26 of smaller diameter than a shoulder 27 forming an axial abutment .
  • the diameter of the end portion 26 of the axis 24 corresponds to that of the passage 22 of the ferrule 21 to allow adjustment without play.
  • the hairspring is put in place by introducing the end portion 26 of the pin into the hole 22 of the collar 21 which abuts against the shoulder 27 of the pin 24.
  • the fixing device also comprises a washer 28 having a hole 29 of a diameter smaller than that of the end portion 26 of the shaft 24 so that it can be driven onto this end portion 26.
  • This washer 28 also has a radial projection 30 emerging from one of its faces and intended to cooperate with the slot 23 of the ferrule.
  • the washer 2 applies the shell 21 against the stop 27 and the projection 30 cooperating with the slot 23 prevents any angular displacement of the ferrule with respect to the axis 24.
  • the silicon balance spring can be fixed to the axis 24 both axially and angularly using the washer 28.
  • the washer 28 can be crimped, glued, welded or otherwise fixed to the axis 24.
  • this fixing device makes it possible to fix a silicon part on an axis without imposing significant stresses on the silicon part which could damage it while ensuring its axial and angular position with respect to the axis.
  • the originality of the present device for fixing a silicon part on an axis therefore lies in the fact that the mounting and the positioning of the part on the axis is done with little or no tightening to avoid any deterioration of the silicon part while ensuring correct axial and angular positioning.
  • the principle amounts to making a free or greasy adjustment between the axis and the part and to secure the fixing of this assembly with the aid of a washer fixed on the axis and acting as axial, radial and angular stop determining the positions relative to the workpiece.
  • the radial and angular attachment of the part 1 on the axis 2 is done by the cooperation of a part of the axis 2 with the passage of the part 1, this passage and this part of the axis 2 presenting corresponding circular sections.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Motor Power Transmission Devices (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Diaphragms And Bellows (AREA)
  • Vehicle Body Suspensions (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Claims (9)

  1. Befestigungsvorrichtung mit einer Achse (2; 24) und einem Teil aus Silizium (1; 20; 21), insbesondere einer Platte, einem Rad, einem Zahnrad oder einer Spiralfederrolle, welches an dieser Achse (2; 24) befestigt ist, dadurch gekennzeichnet, dass die Achse (2; 24) ein axiales Widerlager (3; 27) aufweist, sowie eine Lagerfläche (4; 26), die an dieses Widerlager angrenzt; dadurch, dass das Teil (1; 20, 21) einen Durchbruch (7; 22) aufweist, welcher mit der Lagerfläche (4; 26) zusammenwirkt; dadurch, dass sie zudem eine Scheibe (11; 28) mit einem Loch (12; 29) aufweist, wobei diese Scheibe (11; 28) derart an der Achse (2; 24) befestigt ist, dass sich das Teil (1; 20, 21) zwischen dem Widerlager (3; 27) und der Scheibe (11; 28) befindet; und dadurch, dass die Scheibe (11; 28) zudem mindestens einen Vorsprung (13; 30) aufweist, der mit einem entsprechend geformten Bestandteil (14; 23) des Teils (1; 20, 21) zusammenwirkt, um jegliche Rotation dieses Teils in Bezug auf die Achse (2; 24) zu verhindern.
  2. Befestigungsvorrichtung mit einer Achse (2; 24) und einem Teil aus Silizium (1; 20; 21), insbesondere einer Platte, einem Rad, einem Zahnrad oder einer Spiralfederrolle, welches an dieser Achse (2; 24) befestigt ist, dadurch gekennzeichnet, dass die Achse (2; 24) ein axiales Widerlager (3; 27) aufweist, sowie eine Lagerfläche (4; 26), die an dieses Widerlager angrenzt; dadurch, dass das Teil (1; 20, 21) einen Durchbruch (7; 22) aufweist, welcher mit der Lagerfläche (4; 26) zusammenwirkt; dadurch, dass sie zudem eine Scheibe (11; 28) mit einem Loch (12; 29) aufweist, wobei diese Scheibe (11; 28) derart an der Achse (2; 24) befestigt ist, dass sich das Teil (1; 20, 21) zwischen dem Widerlager (3; 27) und der Scheibe (11; 28) befindet; und dadurch, dass der Querschnitt des Durchbruches (7; 22) des Teils (1; 21) nicht kreisförmig ist und dass die Lagerfläche (4; 26) der Achse (2; 24) einen entsprechend geformten Querschnitt aufweist, um jegliche Rotation dieses Teils (1; 20, 21) in Bezug auf die Achse (2; 24) zu verhindern.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Scheibe (11; 28) durch Kleben, Schweißen, Crimpen oder Treiben an der Achse (2; 24) befestigt ist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Achse (2) die Achse eines Hemmungs-Zahnrades ist und dass das Teil (1) ein Hemmungsrad ist.
  5. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Teil (20, 21) eine Spiralfeder aus Silizium mit einem Ring ist, welcher entweder eingebaut oder einstückig mit der Spirale hergestellt ist.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Teil (1) einen elastischen Bestandteil (6) aufweist, welcher Oberflächen (7) aufweist, die den Durchtritt einer Achse durch Verformung dieses elastischen Bestandteils (6) ermöglichen.
  7. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Achse (2) einen Abschnitt (8) aufweist, dessen Durchmesser kleiner als der der Lagerfläche (4) ist, wobei der Durchmesser der Lagerfläche (4) dem Durchbruch (7) des Teils aus Silizium (1) entspricht und der Durchmesser des genannten Abschnitts (8) dem Loch (12) der Scheibe (11) entspricht.
  8. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Achse (24) eine Lagerfläche (26) aufweist, deren Durchmesser dem Durchbruch (22) des Teils (20, 21) aus Silizium und dem Loch (29) der Scheibe (28) entspricht.
  9. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Teil (1; 20, 21) durch die Scheibe (11; 28) an das Widerlager (3; 27) der Achse (2; 24) befestigt ist.
EP05006186A 2005-03-22 2005-03-22 Zusammenbau eines Teils mit einer Achse Not-in-force EP1705533B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP05006186A EP1705533B1 (de) 2005-03-22 2005-03-22 Zusammenbau eines Teils mit einer Achse
DE602005020416T DE602005020416D1 (de) 2005-03-22 2005-03-22 Zusammenbau eines Teils mit einer Achse
AT05006186T ATE463766T1 (de) 2005-03-22 2005-03-22 Zusammenbau eines teils mit einer achse
EP06003784A EP1708045A3 (de) 2005-03-22 2006-02-24 Befestigung eines Uhrrads an einer Spindel
HK07102833.0A HK1095643A1 (en) 2005-03-22 2007-03-15 Assembly of a mechanical part onto an axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05006186A EP1705533B1 (de) 2005-03-22 2005-03-22 Zusammenbau eines Teils mit einer Achse

Publications (2)

Publication Number Publication Date
EP1705533A1 EP1705533A1 (de) 2006-09-27
EP1705533B1 true EP1705533B1 (de) 2010-04-07

Family

ID=36027101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05006186A Not-in-force EP1705533B1 (de) 2005-03-22 2005-03-22 Zusammenbau eines Teils mit einer Achse

Country Status (4)

Country Link
EP (1) EP1705533B1 (de)
AT (1) ATE463766T1 (de)
DE (1) DE602005020416D1 (de)
HK (1) HK1095643A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104570684A (zh) * 2013-10-09 2015-04-29 尼瓦洛克斯-法尔股份有限公司 利用平的弹性锁定件的组件系统
EP3418815A2 (de) 2017-05-16 2018-12-26 Seiko Epson Corporation Mechanisches teil, uhr und verfahren zur herstellung eines mechanischen teils
EP3644128A1 (de) * 2018-10-24 2020-04-29 Seiko Epson Corporation Uhrenteil und uhr

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EP2107433B1 (de) 2008-04-02 2016-07-27 Manufacture et fabrique de montres et chronomètres, Ulysse Nardin Le Locle S.A. Montageverfahren eines Bauteils auf eine Welle
EP2154582A1 (de) 2008-08-15 2010-02-17 Nivarox-FAR S.A. Verzahnungverfahren für Uhrwerk
EP2219083B1 (de) 2009-02-13 2011-11-23 Patek Philippe SA Genève Uhrwerksbestandteil
EP2273322B1 (de) * 2009-07-10 2012-05-23 Chopard Technologies SA Montageverfahren eines Bauteils auf einem Schwenkorgan
CH707503A2 (fr) * 2013-01-17 2014-07-31 Omega Sa Axe de pivotement pour mouvement horloger.
EP2765462B1 (de) * 2013-02-12 2018-04-04 ETA SA Manufacture Horlogère Suisse Stoßfestes Minutenrad
EP2860591A1 (de) * 2013-10-09 2015-04-15 Nivarox-FAR S.A. Montagesystem, bei dem ein konisches elastisches Blockierelement verwendet wird
JP6537177B2 (ja) * 2014-09-12 2019-07-03 セイコーインスツル株式会社 時計用歯車、アンクル、てんぷ、時計用ムーブメント、及び機械式時計
EP3051364B1 (de) * 2015-01-29 2019-05-22 Cartier International AG Mechanisches übertragungssystem durch haftung für die uhrmacherei.
EP3106932A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren, das einen modifizierten montageschritt umfasst
EP3141520B1 (de) * 2015-09-08 2018-03-14 Nivarox-FAR S.A. Herstellungsverfahren für ein mikromechanisches uhrenbauteil und entsprechendes mikromechanisches uhrenbauteil
EP3141522B1 (de) 2015-09-08 2018-05-02 Nivarox-FAR S.A. Mikromechanisches uhrenbauteil, das eine geschmierte oberfläche umfasst, und herstellungsverfahren eines solchen mikromechanischen uhrenbauteils
EP3176650B1 (de) * 2015-12-02 2019-02-06 Nivarox-FAR S.A. Schutz einer uhrkomponente aus mikro-bearbeitbarem material
JP2018155523A (ja) * 2017-03-16 2018-10-04 セイコーインスツル株式会社 時計部品、ムーブメントおよび時計
JP7006065B2 (ja) * 2017-09-14 2022-01-24 セイコーエプソン株式会社 時計用部品、時計用ムーブメントおよび時計
JP7055085B2 (ja) * 2018-10-05 2022-04-15 シチズン時計株式会社 回転軸と回転部材の固定構造
EP3754435B1 (de) * 2019-06-21 2021-12-29 The Swatch Group Research and Development Ltd Uhr mit aufgesteckten gehäusehörnern
EP3779608A1 (de) 2019-08-16 2021-02-17 Nivarox-FAR S.A. Elastisches halterungsorgan einer uhrenkomponente auf einem halteelement

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104570684A (zh) * 2013-10-09 2015-04-29 尼瓦洛克斯-法尔股份有限公司 利用平的弹性锁定件的组件系统
EP3418815A2 (de) 2017-05-16 2018-12-26 Seiko Epson Corporation Mechanisches teil, uhr und verfahren zur herstellung eines mechanischen teils
EP3418815A3 (de) * 2017-05-16 2019-01-23 Seiko Epson Corporation Mechanisches teil, uhr und verfahren zur herstellung eines mechanischen teils
EP3644128A1 (de) * 2018-10-24 2020-04-29 Seiko Epson Corporation Uhrenteil und uhr

Also Published As

Publication number Publication date
EP1705533A1 (de) 2006-09-27
ATE463766T1 (de) 2010-04-15
DE602005020416D1 (de) 2010-05-20
HK1095643A1 (en) 2007-05-11

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