EP3425458A1 - Abtrennbares stück eines uhrenoszillators - Google Patents

Abtrennbares stück eines uhrenoszillators Download PDF

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Publication number
EP3425458A1
EP3425458A1 EP17180307.5A EP17180307A EP3425458A1 EP 3425458 A1 EP3425458 A1 EP 3425458A1 EP 17180307 A EP17180307 A EP 17180307A EP 3425458 A1 EP3425458 A1 EP 3425458A1
Authority
EP
European Patent Office
Prior art keywords
breakable
blade
breakable element
component
flexible
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.)
Withdrawn
Application number
EP17180307.5A
Other languages
English (en)
French (fr)
Inventor
Daniel Mallet
Pierre Cusin
Raphaël Courvoisier
Pascal Winkler
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
Priority to EP17180307.5A priority Critical patent/EP3425458A1/de
Priority to CH000885/2017A priority patent/CH713960B1/fr
Priority to EP18178992.6A priority patent/EP3451080B1/de
Priority to US16/027,799 priority patent/US11262702B2/en
Priority to JP2018128886A priority patent/JP6546323B2/ja
Priority to CN201810735775.1A priority patent/CN109212943B/zh
Publication of EP3425458A1 publication Critical patent/EP3425458A1/de
Priority to US17/220,524 priority patent/US20210223741A1/en
Withdrawn legal-status Critical Current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
    • 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
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • 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
    • 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
    • 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
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements
    • 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
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0035—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the regulating mechanism

Definitions

  • the invention relates to a breakable watch oscillator element comprising at least one component which comprises at least one flexible blade or at least one collar blade, joining two blocks each more rigid than said flexible blade or collar blade.
  • the invention also relates to a clock oscillator mechanism comprising at least one such structure.
  • the invention also relates to a clockwork movement comprising at least one such clock oscillator mechanism.
  • the invention also relates to a watch comprising such a clockwork movement.
  • the invention also relates to a method of assembling a clockwork mechanism comprising at least one component, which comprises at least one flexible blade or collar blade joining two blocks each more rigid than this flexible blade or collar blade.
  • the invention relates to clock oscillator mechanisms and their manufacture.
  • the invention proposes to industrialize the manufacture and assembly of components made of micro-machinable materials, allowing safe handling, and in particular by automated handling means.
  • the invention relates to a breakable watch oscillator element according to claim 1.
  • the invention also relates to a clock oscillator mechanism comprising at least one such structure.
  • the invention also relates to a clockwork movement comprising at least one such clock oscillator mechanism.
  • the invention also relates to a watch comprising such a clockwork movement.
  • the invention also relates to a method of assembling a clockwork mechanism comprising at least one component, which comprises at least one flexible blade or collar blade joining two blocks each more rigid than this flexible blade or collar blade.
  • the invention relates to a breakable watch oscillator element.
  • This breakable element 10 is designed to protect, during manufacture, handling, assembly, the most fragile elements of at least one watch component 1.
  • the breakable element 10 is designed to be separated, after its assembly with other elements, into a functional part constituted by each component 1 that it comprises, and a sacrificial part which has no more use within the mechanism
  • This sacrificial portion is designed for easy handling, by an operator or by an automated handling means, and constitutes a protection element 4, which protects each component 1, and in particular the the most fragile elements contained in the latter, until the separation of the protective element 4 and the components 1, by bending and / or torsion fracture, cutting with a tool such as a cutting or sawing pliers, or laser cutting , Or other.
  • the breakable element 10 is further designed, in a particular variant described below, to allow the prestressing of a flexible element that comprises the component 1, during the development of this breakable element 10, and to maintain the position of prestressing throughout the assembly of the component 1, which makes unnecessary any constraint by conformation tooling or the like.
  • the fragile element to be protected is a flexible element, such as a blade or a spring, or the like.
  • the breakable element 10 thus comprises at least one component 1, which comprises at least one flexible blade 2 or at least one collar blade 20.
  • This flexible blade 2 or collar blade 20 joins two blocks 3, each more rigid than the flexible blade 2 or the collar blade 20 concerned, at the level of embedding for the flexible blade 2, or at the neck 21 for the collar blade 20.
  • the breakable element 10 comprises at least one protection element 4, which is contiguous with at least one such block 3, to which the protection element 4 is connected by at least one breakable connection 5.
  • This breakable connection 5 is arranged to allow the detachment of the protection element 4 from the component 1, when this component 1 is attached, through at least the particular block 3 which is contiguous with the protection element 4, to an outer member 9, which is more rigid than the flexible blade 2 or the collars of the blade with collar 20.
  • the figures illustrate, in a nonlimiting manner, flexible strips 2 straight, necked blade 20 with a neck 21 on either side, or a flexible blade 2 having an eye 25 in its middle part, it is understood that the forms of these fragile elements can be extremely diverse.
  • the component 1 is a clock oscillator component
  • the flexible blade 2, or the collar blade 20 is an important component of the oscillator, and ensures the chronometric properties.
  • the breakable connection 5 can be realized in different ways. On the Figures 1, 2 , 5, 6 this breakable connection 5 has a zone of smaller section than that of the block 3 and that of the protective element 4 which are adjacent to it, in the manner of a chocolate plate, or 2D profile, the breakable connection 5 is easy to break bending. On the figures 7 and 9 to 14 , the breakable connection 5 comprises at least one bridge 7, or several bridges 7 which can in particular be separated by through openings 8 such as lights or holes as visible on the figure 7 , or thin bridges disjointed as on the Figures 9 to 14 .
  • the breakable connection 5 may also comprise at least one rupture primer made in the thickness of the material, as visible on the figure 8 , and is particularly suitable in the case of the development by a multi-layer method of the breakable element 10, in which chambers are formed in the thickness of the material.
  • the breakable connection 5 can be made by mixing these different methods of production, and may comprise a zone of smaller section than that of the block 3 and the protective element 4 which are adjacent to it, and / or comprise one or more bridges 7 separated or not by through openings 8, and / or comprise at least one breaking primer made in the thickness of the material.
  • bridges 7 are designed to be very easily broken by torsion and / or bending and / or cutting.
  • a same protective element 4 is contiguous with the blocks 3 situated on either side of the same flexible blade 2 or collar blade 20, so as to protect this flexible blade 2 or collar blade 20.
  • each block 3 is contiguous to a protection element 4 to which it is connected by a breakable connection 5.
  • At least one said block 3 forms a free inertial mass, and is arranged to be fixed to another free inertial mass of another breakable element 10, or to an external element 9; this is for example the case of figure 14 whose annular sector is such an inertial mass.
  • At least one block 3 comprises at least one assembly surface 6 or 11 for its rigid attachment to at least one external element 9.
  • the figures distinguish smooth assembly surfaces 6, such as bores or the like, and through housings 11 having a relief capable of ensuring a tightening: more particularly, and as visible on the figure 5 a traversing housing 11 comprises, for the passage and fixing of a pin or a pin or a screw or the like, a plurality of resilient centering springs 12 and a plurality of radial stroke limiting stops 13.
  • the upper and lower bearing surfaces of the breakable element 10 are, especially in the preferred embodiment and illustrated by the figures where the breakable element 10 extends between two parallel upper and lower surfaces, also assembly surfaces with external elements 9.
  • the figure 2 thus shows a watch structure 100, in particular an oscillator structure, comprising a stack of breakable elements 10 and external elements 9, which are held relative to each other, in the direction of the stack, by means of FIG. other external elements 9 which are connecting and / or fastening elements: rods, bolts, screws, rivets, pins, or the like.
  • each block 3 comprises at least one such assembly surface 6 or 11 for its rigid attachment to at least one external element 9.
  • At least one said block 3 forms a free inertial mass and is devoid of connection with an external element 9, which may be the case of the figure 14 if the annular sector is left entirely free, suspended only by the two blades 2 together making a vee from the block 3.
  • the breakable element 10 comprises a single protection element 4. This configuration is very reassuring, if the breakable element 10 is compact is easily accessible laterally, and it is preferred whenever possible. However, in some configurations the breakable element 10 is very extended in length, or, once assembled is no longer accessible everywhere, or its implantation prevents the extraction of a single protection element 4, in which case it is useful to have a plurality of protection elements 4.
  • At least one said flexible blade 2 or collar blade 20 is prestressed in a multistable state, as long as each said protection element 4 is integral with the component 1.
  • This configuration is particularly interesting when the breakable element 10 is made of silicon, and when the prestressing of the flexible element that it comprises is ensured by a growth of silicon dioxide, which is differentiated on the thin zones and the massive areas, and causes the buckling of the flexible element: the solid part is here constituted by the gripping element 4 completed by the blocks 3.
  • the advantage is the assembly of such a component without requiring stressing particular, the prestressing is ensured, fully preserved, and the operation is perfectly reproducible once the component 1 is enclosed and fixed in the a structure 100 of which it is part: the destruction of the breakable element does not change anything to the prestressing of the flexible element.
  • the breakable element 10 is plane, extends between two parallel upper and lower surfaces, and is made of micro-machinable material, or silicon and silicon oxide, or DLC, or at least partially amorphous material, or similar.
  • this breakable element 10 extends on a single level corresponding to the thickness of the thickest said flexible blade 2 or blade collar 20 it comprises.
  • the breakable element 10 extends over a plurality of levels each corresponding to the thickness of the thickest flexible blade 2 or blade collar 20 it comprises.
  • This figure 11 thus shows two crossed blades, each on a particular level, for example each level is first made separately silicon, and the two levels are assembled by growth of silicon dioxide at their junction surface.
  • this breakable element 10 comprises, on different levels, flexible blades 2 or cross blades 20 which intersect, in projection on a plane parallel to the plane of each of the components 1.
  • the breakable element 10 is integral and unmountable.
  • the invention also relates to a clock oscillator structure 100, comprising a plurality of components 1 attached to each other, at least one component 1 of which is a component of a breakable element 10 as described above. More particularly, the structure 100 comprises a plurality of components 1 stacked one on the other, of which at least one component 1 is a component of such a breakable element 10.
  • the structure 100 comprises at least two components 1 stacked one on the other, each being a component of such a breakable element 10 comprising a said flexible blade 2 or collar blade 20, and these flexible blades 2 or Collar blades 20 are crossed, in projection on a plane parallel to the plane of each of the components 1.
  • all the components 1 that comprises said structure 100 form a stack subjected to a clamping force by a tight connection in the direction of the stack by securing means which comprise at least one assembled rivet and / or a set screw-nut and / or at least one component driven with clamping.
  • At least some of the components 1 that the structure 100 comprises are held in the stack by gluing. More particularly, all the components 1 that comprises the structure 100 form a stack maintained by gluing.
  • the structure 100 comprises at least one component 1 comprising a through-housing 11 for the passage and fixing of a pin or a pin or a screw, this through-housing 11 having a plurality of resilient centering springs 12 and in the case of an elaboration of the breakable element 10 made of silicon, the position of these stops 13 is studied to allow a stroke just sufficient not to break the silicon, this stroke is close to 10 micrometers with respect to the nominal diameter of the pin or the connecting link element.
  • each breakable element 10 is broken at each breakable connection 5.
  • the gripping elements 4 are removed from this structure 100.
  • the invention also relates to a clock oscillator mechanism 1000 comprising at least one such structure 100.
  • the invention also relates to a watch movement 2000 comprising at least one watch clock oscillator mechanism 1000, and / or comprising at least one such structure 100, and / or comprising at least one said breakable element 10.
  • the invention also relates to a watch 3000 comprising such a watch movement 2000.
  • the invention also relates to a method of assembling a clockwork mechanism comprising at least one component 1, which comprises at least one flexible blade 2 or collar blade 20 joining two blocks 3 each more rigid than this flexible blade 2 or collar blade 20.
  • At least one component 1 is made of a breakable element 10 as described above, each breakable element 10 is assembled with the other components of the clockwork mechanism, and all the protection elements 4 are then separated. by breaking each breakable connection 5.
  • the assembly of the components of the clockwork mechanism is carried out on a plate or on a tooling, this plate or, respectively, this tooling of securing means is assembled which comprises at least one assembled rivet and / or a screw assembly.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electric Clocks (AREA)
  • Knives (AREA)
  • Toys (AREA)
EP17180307.5A 2017-07-07 2017-07-07 Abtrennbares stück eines uhrenoszillators Withdrawn EP3425458A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP17180307.5A EP3425458A1 (de) 2017-07-07 2017-07-07 Abtrennbares stück eines uhrenoszillators
CH000885/2017A CH713960B1 (fr) 2017-07-07 2017-07-07 Elément sécable pour oscillateur d'horlogerie.
EP18178992.6A EP3451080B1 (de) 2017-07-07 2018-06-21 Oszillatorstruktur eines uhrwerks mit einem abtrennbaren element
US16/027,799 US11262702B2 (en) 2017-07-07 2018-07-05 Timepiece oscillator structure with a divisible element
JP2018128886A JP6546323B2 (ja) 2017-07-07 2018-07-06 分離可能な要素を有する計時器用発振器構造
CN201810735775.1A CN109212943B (zh) 2017-07-07 2018-07-06 具有可分离元件的钟表振荡器结构
US17/220,524 US20210223741A1 (en) 2017-07-07 2021-04-01 Timepiece oscillator structure with a divisible element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17180307.5A EP3425458A1 (de) 2017-07-07 2017-07-07 Abtrennbares stück eines uhrenoszillators

Publications (1)

Publication Number Publication Date
EP3425458A1 true EP3425458A1 (de) 2019-01-09

Family

ID=59298386

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17180307.5A Withdrawn EP3425458A1 (de) 2017-07-07 2017-07-07 Abtrennbares stück eines uhrenoszillators
EP18178992.6A Active EP3451080B1 (de) 2017-07-07 2018-06-21 Oszillatorstruktur eines uhrwerks mit einem abtrennbaren element

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18178992.6A Active EP3451080B1 (de) 2017-07-07 2018-06-21 Oszillatorstruktur eines uhrwerks mit einem abtrennbaren element

Country Status (5)

Country Link
US (2) US11262702B2 (de)
EP (2) EP3425458A1 (de)
JP (1) JP6546323B2 (de)
CN (1) CN109212943B (de)
CH (1) CH713960B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3812843A1 (de) * 2019-10-25 2021-04-28 ETA SA Manufacture Horlogère Suisse Flexible führung und gesamtheit von übereinander angeordneten flexiblen führungen für sich drehenden resonatormechanismus, insbesondere für uhrwerk
EP3907565A1 (de) * 2020-05-07 2021-11-10 Patek Philippe SA Genève Verfahren zur herstellung einer uhrenkomponente aus silizium
EP3971655A1 (de) * 2020-09-18 2022-03-23 ETA SA Manufacture Horlogère Suisse Stossdämpfungsschutz mit anschlag eines resonatormechanismus mit flexibler drehführung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102540890B1 (ko) * 2018-10-29 2023-06-08 현대자동차주식회사 회전가림 방식 휠 가드 시스템 및 차량
EP3667432B1 (de) * 2018-12-13 2022-05-11 ETA SA Manufacture Horlogère Suisse Uhrresonator, der mindestens eine flexible führung umfasst
EP3812842B1 (de) * 2019-10-24 2023-11-29 The Swatch Group Research and Development Ltd Schwenkbare führungsvorrichtung für eine schwenkbare masse, und resonatormechanismus einer uhr

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WO2016062889A2 (fr) * 2014-10-24 2016-04-28 Richemont International Sa Organe réglant pour un mouvement horloger mécanique
EP3037893A1 (de) * 2014-12-22 2016-06-29 Patek Philippe SA Genève Mikromechanische Komponente oder Uhr mit flexiblem Führungsdraht

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CH702708B1 (fr) * 2007-04-27 2011-08-31 Sigatec S A Ensemble oscillateur balancier-spiral avec éléments détachables et procédé d'ajustement de sa fréquence d'oscillation.
EP2104005A1 (de) * 2008-03-20 2009-09-23 Nivarox-FAR S.A. Composite-Unruh und Herstellungsverfahren dafür
WO2016062889A2 (fr) * 2014-10-24 2016-04-28 Richemont International Sa Organe réglant pour un mouvement horloger mécanique
EP3037893A1 (de) * 2014-12-22 2016-06-29 Patek Philippe SA Genève Mikromechanische Komponente oder Uhr mit flexiblem Führungsdraht

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3812843A1 (de) * 2019-10-25 2021-04-28 ETA SA Manufacture Horlogère Suisse Flexible führung und gesamtheit von übereinander angeordneten flexiblen führungen für sich drehenden resonatormechanismus, insbesondere für uhrwerk
US11693366B2 (en) 2019-10-25 2023-07-04 Eta Sa Manufacture Horlogère Suisse Flexible guide and set of superimposed flexible guides for rotary resonator mechanism, in particular of a horological movement
EP3907565A1 (de) * 2020-05-07 2021-11-10 Patek Philippe SA Genève Verfahren zur herstellung einer uhrenkomponente aus silizium
WO2021224804A1 (fr) * 2020-05-07 2021-11-11 Patek Philippe Sa Geneve Procédé de fabrication d'un composant horloger en silicium
EP3971655A1 (de) * 2020-09-18 2022-03-23 ETA SA Manufacture Horlogère Suisse Stossdämpfungsschutz mit anschlag eines resonatormechanismus mit flexibler drehführung

Also Published As

Publication number Publication date
CN109212943A (zh) 2019-01-15
EP3451080A1 (de) 2019-03-06
JP2019015731A (ja) 2019-01-31
US20190011887A1 (en) 2019-01-10
CN109212943B (zh) 2020-08-25
US11262702B2 (en) 2022-03-01
JP6546323B2 (ja) 2019-07-17
US20210223741A1 (en) 2021-07-22
EP3451080B1 (de) 2020-07-29
CH713960B1 (fr) 2023-08-31
CH713960A2 (fr) 2019-01-15

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