EP2796940A2 - Uhrkomponente zur Aufnahme eines Organs durch Einpressen - Google Patents

Uhrkomponente zur Aufnahme eines Organs durch Einpressen Download PDF

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Publication number
EP2796940A2
EP2796940A2 EP14165230.5A EP14165230A EP2796940A2 EP 2796940 A2 EP2796940 A2 EP 2796940A2 EP 14165230 A EP14165230 A EP 14165230A EP 2796940 A2 EP2796940 A2 EP 2796940A2
Authority
EP
European Patent Office
Prior art keywords
component
receiving
opening
component according
watch
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.)
Pending
Application number
EP14165230.5A
Other languages
English (en)
French (fr)
Other versions
EP2796940A3 (de
Inventor
Pierre Cattiau
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.)
Rolex SA
Original Assignee
Rolex 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 Rolex SA filed Critical Rolex SA
Priority to EP14165230.5A priority Critical patent/EP2796940A3/de
Publication of EP2796940A2 publication Critical patent/EP2796940A2/de
Publication of EP2796940A3 publication Critical patent/EP2796940A3/de
Pending legal-status Critical Current

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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
    • G04B37/00—Cases
    • G04B37/0091—Cases for clock parts, e.g. for the escapement or the electric motor
    • 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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/066—Manufacture of the spiral spring
    • 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
    • G04B17/325—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring in a fixed position, e.g. using a block
    • 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
    • G04B29/00—Frameworks
    • G04B29/04—Connecting or supporting parts
    • 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
    • G04B31/02—Shock-damping bearings
    • G04B31/04—Shock-damping bearings with jewel hole and cap jewel
    • 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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches

Definitions

  • the invention relates to a watch component for receiving a body by driving.
  • the invention also relates to an assembly comprising such a component and a member mounted or driven in the component.
  • the invention also relates to a movement comprising such a component or such an assembly.
  • the invention finally relates to a timepiece, in particular a watch, comprising such a movement or such an assembly or such a component.
  • the object of the invention is to provide a watch component to overcome the disadvantages mentioned above and to improve the watch components known from the prior art.
  • the invention provides a watch component for providing a significant resistance to the removal of a member driven in the component and a significant resistance to the rotation of the member driven into the component.
  • the watch component according to the invention is defined by claim 1.
  • the timepiece according to the invention is defined by claim 15.
  • a first embodiment of a timepiece 10 according to the invention is described below with reference to the figure 1 .
  • the timepiece is for example a watch, such as a wristwatch.
  • the timepiece comprises a watch movement 11.
  • the movement comprises an assembly 12 including a member 13 mounted, in particular driven, in a watch component 14.
  • the watch component 14 comprises an opening 140 intended to receive the member 13 by driving the latter into the opening.
  • the component comprises at least one structure 15 for receiving the organ, in this case two structures 15 for receiving the organ.
  • the watch component and the body are shown in section on the figure 1 , in particular in section along a plane perpendicular to a direction or axis 131 in which the member is driven into the component.
  • the receiving element is mounted on the elastically deformable element via the connecting element.
  • the elements are for example monoblocks or integrally.
  • the member preferably has a cylindrical shape of revolution of axis 131.
  • the organ On the figure 1 the organ is shown hollow. It can alternatively be full.
  • the axis passes for example through the center of the opening defined as the center of gravity or the center of gravity of the opening 140.
  • the opening 140 may for example be of elliptical or substantially elliptical shape.
  • the watch component has at least several parallel sections between them and perpendicular to the axis 131 which have the same geometry or substantially the same geometry.
  • all sections may have the same geometry.
  • the dimensions of the receiving structures, in particular the thicknesses of the elements may change along the thickness of the component.
  • the receiving element of the receiving structure may come into contact with the member through one or more contact surfaces, or through one or more points of contact.
  • the surfaces or points of the receiving element which are in contact with the organ are inscribed on a circle centered on the axis 131 of the organ.
  • the two reception structures of the organ are preferably distributed in the opening.
  • the two receiving structures of the member are regularly distributed in the opening, that is to say that the two structures are distributed symmetrically, in particular face each other.
  • the different reception structures of the organ may be identical.
  • the receiving structures are separated by rigid parts 141 of the component.
  • At least one or some of the receiving elements is elastically deformable.
  • the receiving elements preferably extend orthoradially or substantially orthoradially relative to the axis 131 corresponding to an axis of the member, once the member mounted in the component.
  • the receiving element is biased at least mainly in bending when the member is introduced into the opening.
  • the receiving member is preferably a member having a small thickness (measured radially) in comparison with its extent in contact with the member (on the sectional view of the figure 1 ).
  • the receiving element has a conformation complementary or substantially complementary to a conformation of the member, in particular when the member is mounted in the component.
  • the receiving member may have a conformation slightly different from that of the member, so that the receiving member is slightly elastically deformed in contact with the member.
  • contact pressure is exerted by at least one surface 161 of the receiving member or a point of contact on the member at their interface.
  • the receiving element comprises at least one surface 161.
  • a reception element with an elliptical or substantially elliptical section with a minor axis smaller than the diameter of the section. circular of the organ.
  • the deformation of the receiving element makes it possible to ensure a tightening but also to adapt to the dispersion of the dimensions of the organ.
  • the receiving member may comprise a first stop member for co-operating by an obstacle with a second abutment member of the member to prevent rotation of the member relative to the component in the opening.
  • the surface 161 of the receiving member may extend at an angle of between 60 ° and 175 ° around the center of the opening.
  • the surface 161 of the receiving member may extend at an angle of about 115 ° or about 120 °.
  • the thickness of the receptacle element, measured radially relatively to the center of the opening may be between 50 .mu.m and 100 .mu.m thick, in particular about 70 .mu.m. It is a dependent value mainly of a form factor due to the precedence of manufacture and the thickness of the component.
  • the connecting element is dimensionally stable or substantially indeformable. It is dimensioned so that it does not deform almost when hunting the organ.
  • the connecting element extends radially or substantially radially relative to the axis 131 or the center of the opening.
  • the connecting element makes it possible to mechanically connect or fix the receiving element to the elastically deformable element.
  • the maximum deformation rate in the connecting element is, for example, 10 times, or even 15 times, less than the maximum of the deformation rates in the receiving element and the element elastically deformable.
  • the connecting element is included in an angular sector represented at figure 1 and defined by the center of the opening and the extent of the receiving member at its interface with the member. More preferably, the connecting element is included in an angular sector of angular amplitude half of that represented by the extent of the receiving element.
  • the elastically deformable element preferably extends orthoradially or substantially orthoradially relative to the center of the opening. It may also extend perpendicularly or substantially perpendicular to the direction in which the connecting element extends.
  • This elastically deformable element is formed by the material between the opening 140 and a lumen 19 formed in the mass of the component.
  • the lumen is shaped concentrically or substantially concentrically in the center of the aperture.
  • the elastically deformable element has a thickness (measured radially relative to the center of the opening) constant or substantially constant.
  • the elastically deformable element is biased at least mainly in flexion when the member is introduced into the opening. Indeed, because stress, the elastically deformable element flexes in the direction of a decrease in the thickness of the light 19.
  • the receiving element can be distinguished from the connecting element by a limit 172 and the elastically deformable element can be distinguished from the connecting element by a limit 171.
  • These distinctions are effected for example at the levels where they occur. changes in the direction of extension of the structure, in particular a change of direction of radial extension in orthoradial extension direction or a change of direction of orthoradial extension in direction of radial extension.
  • the receiving element extends mainly orthoradially
  • the connecting element extends mainly radially
  • the elastically deformable element extends mainly orthoradially.
  • These distinctions occur, for example, at levels where variations in the areas of the sections of the structure occur, including significant variations in section areas. These areas are for example measured on cylinders of revolution centered on the center of the opening.
  • the limit 172 is defined by a first cylinder centered on the axis 131 and radius r1 such that the area of the intersections of the receiving structure with the first cylinder is less than 50%, or even less than 30%, even less than 10%, of the maximum intersection area of the receiving structure, in particular of the receiving element, with a cylinder centered on the axis 131 and of radius less than r1.
  • the limit 171 is defined by a second cylinder centered on the axis 131 and radius r2 such that the area of intersection sections of the receiving structure with the second cylinder is greater than 200%, or even greater than 300%, or even greater than 500%, of the minimum intersection area of the receiving structure, in particular of the connecting element, with a cylinder centered on the axis 131 and radius greater than r1.
  • the connecting elements are defined or limited by a third cylinder centered on the axis 131 and radius r3 and a fourth cylinder centered on the axis 131 and radius r4 such that, once the mounted member all directions of the mechanical forces in the connecting elements are oriented radially to more or less 10 °, or more or less 5 °.
  • one, more or all of the receiving elements extend orthoradially or substantially orthoradially over a distance greater than 4 times, or even greater than 8 times their radially measured thickness.
  • one, more or all of the connecting elements extend radially or substantially radially over a distance equal to or substantially equal to their thickness measured orthoradially.
  • one, more or all the elastically deformable elements extend orthoradially or substantially orthoradially over a distance greater than 4 times, or even greater than 8 times their thickness measured radially.
  • the watch component can be produced by an electroforming process or by a LIGA type process or by a photolithography and deep etching process. It may in particular be made of a brittle material or Ni or NiP or Si or diamond or quartz.
  • the watch component may be a turntable or a bridge or a rocker or a wheel or a spiral or an anchor.
  • the component may be mobile or not relative to the frame of the watch movement.
  • the watch component comprises an opening defined by an elastically deformable geometry which has a small footprint and ensures a high resistance to loosening, particularly adapted to the reception of different types of watch organs such as in particular a clockwork stone, a pin or pin.
  • the two reception structures face each other. They each comprise elastically flexible or deformable elements: the receiving element and the elastically deformable element.
  • the receiving element can generally be seen as a clamp 16 which ensures the contact and the maintenance of the organ, of concave shape, for example of circular shape, preferably of elliptical shape (in the case of a circular section member or elliptical).
  • the clamp deforms during the driving and ensures at least two points of contact per clamp, preferably close to the end of the arms of the clamp.
  • the elastically deformable element is here a blade 18, formed between the opening and the light in the component. The clamp is mounted on this blade. The flexion of this blade allows the radial displacement of the clamp.
  • the effect of the pliers appears secondary to ensure the resistance to the stripping, but is important for the resistance to the rotating torque.
  • the force of resistance to the stripping is mainly ensured by the flexible blade.
  • the out-of-the-way resistance and the rotational torque resistance can thus be optimized almost independently.
  • the effective clamping of the insert member is typically 25-35 ⁇ m, which indicates that each blade 18 bends 12-18 ⁇ m.
  • the ratio of the minimum and maximum dimensions of the contour of the opening is for example about 0.85.
  • the size of the geometry of the opening in one of the directions (along the small axis of the opening) can be further reduced, until it comes in close proximity to the diameter of the member.
  • a second embodiment of a timepiece 20 according to the invention is described below with reference to the figure 2 .
  • This embodiment differs from the first embodiment only in that the openings 29 have a different geometry. Indeed, they are a little less extensive. The rigidity of the elastically deformable elements is a little increased.
  • a third embodiment of a timepiece 30 according to the invention is described below with reference to the figure 3 .
  • This embodiment differs from the first embodiment only in that the openings 39 have a different geometry. Indeed, they have a different curvature.
  • the rigidity of the elastically deformable elements is significantly increased.
  • Such an increase in rigidity can be obtained by orienting the light so as to produce a gradual increase in the thickness of the flexible blade 38 towards its ends (for example to obtain a so-called iso-stress beam).
  • Such an increase can also be obtained in another way, in particular by providing a blade of constant thickness, but thicker.
  • a fourth embodiment of a timepiece 40 according to the invention is described below with reference to the figure 4 .
  • This embodiment differs from the first embodiment only in that the connecting elements 47 are made in the form of two segments or bridges 471 and 472 each extending substantially radially relative to the center of the opening. The two segments are also angularly distant from each other.
  • the rigidity of the elastically deformable elements is significantly increased and the rigidity of the receiving elements is also significantly increased.
  • a fifth embodiment of a timepiece 50 according to the invention is described below with reference to the figure 5 .
  • This embodiment differs from the fourth embodiment only in that the segments or bridges 571 and 572 are further split. Indeed, each of them is made by a pair of two sub-segments or sub-bridges referenced 5711, 5712, 5721 and 5722. This also makes it possible to play on the rigidity of the elastically deformable elements and on the rigidity of the elements of reception.
  • a sixth embodiment of a timepiece 60 according to the invention is described below with reference to the figure 6 .
  • This embodiment differs from the fourth embodiment only in that the lights 69 are each divided into two lights 691 and 692. Similarly, the elastically deformable elements 68 are each divided into two elastically deformable elements 681 and 682. This also allows to play on the rigidity of the elastically deformable elements and on the rigidity of the receiving elements.
  • a seventh embodiment of a timepiece 70 according to the invention is described below with reference to the figure 7 .
  • the watch component comprises a single receiving structure 75, while it included two in each of the previous embodiments.
  • any of the previously described receiving structures may be used.
  • provision is made in the opening of the component at least one rigid surface against which the body must also come to bear. This rigid surface may optionally be provided with at least one stop element to prevent rotation of the member relative to the component in the opening.
  • the watch component comprises three receiving structures 85, while it included one or two in the previous embodiments.
  • any of the previously described receiving structures may be used.
  • the different reception structures are preferably identical. However, they can also be of different natures. It is also possible to provide more than three reception structures in the opening, in particular four receiving structures.
  • the dimensions of the various elements will of course have to be adjusted to take into account the mechanical properties of the material used (Young's modulus, maximum elastic stress, etc.).
  • the geometries are also adapted to accommodate a member made of a fragile material, that is to say having no or little plastic deformation field.
  • the organ is for example a clockwork stone, hollow or not, pierced or not, made of a fragile material, especially ceramic, more particularly ruby.
  • the member may be of another order, for example a plug, or a foot-screw, made for example of steel or a cuprous material.
  • the member preferably has a substantially cylindrical shape. Alternatively, it may have an elongated shape, in particular an elliptical shape.
  • the component may comprise exactly one, exactly two, exactly three, exactly four, exactly five or exactly six receiving structures.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Micromachines (AREA)
  • Adornments (AREA)
  • Electric Clocks (AREA)
EP14165230.5A 2013-04-23 2014-04-17 Uhrkomponente zur Aufnahme eines Organs durch Einpressen Pending EP2796940A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14165230.5A EP2796940A3 (de) 2013-04-23 2014-04-17 Uhrkomponente zur Aufnahme eines Organs durch Einpressen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13164838 2013-04-23
EP14165230.5A EP2796940A3 (de) 2013-04-23 2014-04-17 Uhrkomponente zur Aufnahme eines Organs durch Einpressen

Publications (2)

Publication Number Publication Date
EP2796940A2 true EP2796940A2 (de) 2014-10-29
EP2796940A3 EP2796940A3 (de) 2016-05-04

Family

ID=48141853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14165230.5A Pending EP2796940A3 (de) 2013-04-23 2014-04-17 Uhrkomponente zur Aufnahme eines Organs durch Einpressen

Country Status (4)

Country Link
US (1) US9146537B2 (de)
EP (1) EP2796940A3 (de)
JP (1) JP6578086B2 (de)
CN (2) CN112925185A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3291025A1 (de) * 2016-08-30 2018-03-07 Montres Breguet S.A. Stossdämpfer mit multileaf-blattfedern
EP3779607A1 (de) * 2019-08-16 2021-02-17 Nivarox-FAR S.A. Durchführungsverfahren eines zusammenbaus einer einheit aus elastischem halterungsorgan, und uhrwerkskomponente mit einem halterungselement
CN112824980A (zh) * 2019-11-21 2021-05-21 伊塔瑞士钟表制造股份有限公司 具有通过摩擦力保持的元件的钟表移动部件

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EP2781966B1 (de) * 2013-03-19 2018-05-02 Nivarox-FAR S.A. Anker für Uhrhemmungsmechanismus
CH709920A2 (fr) * 2014-07-24 2016-01-29 Eta Sa Manufacture Horlogère Suisse Ensemble à mobile de freinage d'horlogerie.
EP3023844B1 (de) * 2014-11-20 2017-06-28 Nivarox-FAR S.A. Flexible Spiralrolle
EP3627234A1 (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
EP3786720B1 (de) * 2019-08-27 2023-12-13 Rolex Sa Uhrkomponente zur aufnahme eines organs durch einpressen

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EP3623876A1 (de) * 2010-03-25 2020-03-18 Rolex Sa Spiralrolle mit nicht kreisförmiger öffnung
JP5551312B2 (ja) * 2010-07-19 2014-07-16 ニヴァロックス−ファー ソシエテ アノニム 弾性ピボット及びエネルギ伝達のための可動要素を有する発振機構
EP2442189A1 (de) * 2010-10-15 2012-04-18 ETA SA Manufacture Horlogère Suisse Zusammenbauverfahren für ein Teil, das keinen Plastizitätsbereich enthält
EP2761380B1 (de) * 2011-09-29 2023-05-31 Rolex S.A. Einteilige anordnung aus einer spiralfeder und spannzange

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3291025A1 (de) * 2016-08-30 2018-03-07 Montres Breguet S.A. Stossdämpfer mit multileaf-blattfedern
US10599100B2 (en) 2016-08-30 2020-03-24 Montres Breguet S.A. Multi-blade shock absorber
EP3779607A1 (de) * 2019-08-16 2021-02-17 Nivarox-FAR S.A. Durchführungsverfahren eines zusammenbaus einer einheit aus elastischem halterungsorgan, und uhrwerkskomponente mit einem halterungselement
WO2021032388A1 (fr) * 2019-08-16 2021-02-25 Nivarox-Far S.A. Procede de realisation d'un assemblage d'un ensemble organe de maintien elastique – composant d'horlogerie avec un element de support
CN112824980A (zh) * 2019-11-21 2021-05-21 伊塔瑞士钟表制造股份有限公司 具有通过摩擦力保持的元件的钟表移动部件
EP3825779A1 (de) * 2019-11-21 2021-05-26 ETA SA Manufacture Horlogère Suisse Bewegliche uhrwerkskomponente mit einem durch reibung gehaltenen element
US11556092B2 (en) 2019-11-21 2023-01-17 Eta Sa Manufacture Horlogère Suisse Horological mobile component with element maintained by friction

Also Published As

Publication number Publication date
CN112925185A (zh) 2021-06-08
US9146537B2 (en) 2015-09-29
CN104122781A (zh) 2014-10-29
JP6578086B2 (ja) 2019-09-18
EP2796940A3 (de) 2016-05-04
JP2014215297A (ja) 2014-11-17
US20140313869A1 (en) 2014-10-23

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