EP3451080A1 - Oszillatorstruktur eines uhrwerks mit einem abtrennbaren element - Google Patents

Oszillatorstruktur eines uhrwerks mit einem abtrennbaren element Download PDF

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Publication number
EP3451080A1
EP3451080A1 EP18178992.6A EP18178992A EP3451080A1 EP 3451080 A1 EP3451080 A1 EP 3451080A1 EP 18178992 A EP18178992 A EP 18178992A EP 3451080 A1 EP3451080 A1 EP 3451080A1
Authority
EP
European Patent Office
Prior art keywords
block
breakable
blade
component
collar
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.)
Granted
Application number
EP18178992.6A
Other languages
English (en)
French (fr)
Other versions
EP3451080B1 (de
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
Publication of EP3451080A1 publication Critical patent/EP3451080A1/de
Application granted granted Critical
Publication of EP3451080B1 publication Critical patent/EP3451080B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—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 clock oscillator structure comprising at least one breakable block, which comprises at least one component which comprises at least one flexible blade or at least one collar blade, joining two main blocks each more rigid than said blade flexible or collared blade, wherein said breakable block comprises at least one gripping block arranged to be contiguous with at least one said main block to which it is connected by at least one breakable connection arranged to allow the detachment of said gripping block from with said component when said component is attached, via at least said particular main block which is arranged to be contiguous with said gripping block, to an outer member more rigid than said flexible blade or the necks of said 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 demand WO 2016/062889 A2 in the name of Richemont describes a regulating organ for a mechanical watch movement comprising an escape wheel and a vibrating oscillator provided with at least two vibrating arms and an integral anchor portion of said vibrating arms and comprising members arranged so as to cooperate directly with the teeth of the escape wheel, so as to maintain periodic alternations of the vibrating oscillator and to advance the escape wheel with each alternation of oscillations.
  • 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 watch oscillator structure 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 main blocks each more rigid than this flexible blade or collared blade.
  • the invention relates to a watch oscillator structure comprising at least one breakable block 10.
  • This breakable block 10 is designed to protect, during manufacture, handling, assembly, the most fragile elements of at least one watch component 1.
  • the breakable block 10 is designed to be separated, after its assembly with other elements, into a functional part constituted by each component 1 which it comprises, and a sacrificial part which has no more use within the clock mechanism in which component 1 is incorporated.
  • This sacrificial portion is designed for easy handling, by an operator or by an automated handling means, and constitutes a gripping block 4, which protects each component 1, and in particular the elements the most fragile that encloses the latter, until the separation of the gripping block 4 and the components 1, by breaking by bending and / or torsion, cutting with a tool such as cutting pliers or saw, or laser cutting, or other.
  • the breakable block 10 is still 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 block 10, and to maintain the prestressing position during the entire 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 block 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 main 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 collar 21 for the collar blade 20.
  • the breakable block 10 comprises at least one gripping block 4, which is contiguous with at least one such main block 3, to which the gripping block 4 is connected by at least one breakable connection 5.
  • This breakable connection 5 is arranged to allow the detachment of the gripping block 4 from the component 1, when this component 1 is fixed, through at least the main block 3 particular which is contiguous to the gripping block 4, to an external element 9 which is stiffer than the flexible blade 2 or the necks of the collar blade 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 main block 3 and that of the gripping block 4 which are adjacent to it, at the way 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 may 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 for the case of the development by a multi-layer method of the breakable block 10, in which chambers are formed in the thickness of the material.
  • the breakable connection 5 can be made by mixing these different embodiments, and may comprise a zone of smaller section than that of the main block 3 and the gripping block 4 which are adjacent to it, and / or comprise a or more bridges 7 separated or not by through openings 8, and / or comprise at least one rupture 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 gripping block 4 is contiguous with the main blocks 3 located 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 main block 3 is contiguous to a gripping block 4 to which it is connected by a breakable connection 5.
  • At least one said main block 3 forms a free inertial mass, and is arranged to be fixed to another free inertial mass of another breakable block 10, or to an outer member 9; this is for example the case of figure 14 whose annular sector is such an inertial mass.
  • At least one main block 3 comprises at least one joining surface 6 or 11 for rigid attachment to at least one external element 9.
  • the figures distinguish smooth assembly surfaces 6, such as bores or the like, and housings through 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.
  • Naturally surfaces upper and lower bearing of the breakable block 10 are, especially in the preferred embodiment and illustrated by the figures where the breakable block 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 main 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 main 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 main block 3.
  • the breakable block 10 comprises a single gripping block 4.
  • This configuration is very reassuring, if the breakable block 10 is compact is easily accessible laterally, and it is preferred whenever possible.
  • the breakable block 10 is very extended in length, or, once assembled is no longer accessible from anywhere, or its implementation prevents the extraction of a single gripping block 4, in this case it is useful to have a plurality of gripping blocks 4.
  • At least one said flexible blade 2 or collar blade 20 is prestressed in a multistable state, as long as each said gripping block 4 is integral with the component 1.
  • This configuration is particularly interesting when the breakable block 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 thin areas and massive areas, and causes the buckling of the flexible element: the solid part is here constituted by the gripping block 4 completed by the main blocks 3.
  • the advantage is the assembly of such a component without requiring particular stressing, the prestressing is ensured, fully preserved, and the operation is perfectly reproducible once the component 1 is enclosed and fixed in the structure 100 of which it is part: the destruction of the breakable block does not change anything to the prestressing of the flexible element.
  • the breakable block 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 block 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 block 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 block 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 block 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 block 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 constituent of such a breakable block 10.
  • the structure 100 comprises at least two components 1 stacked one on top of the other, each being a constituent of such a breakable block 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 tightening force by a tight connection according to the direction of the stack by securing means which comprise at least one assembled rivet and / or a screw-nut assembly 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 block 10 made of silicon, the position of these stops 13 is studied to allow a fair stroke sufficient to not break the silicon, this race is close to 10 micrometers with respect to the nominal diameter of the pin or the connecting connection element.
  • each breakable block 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 watchmaking movement 2000 comprising at least one such clock oscillator mechanism 1000, and / or comprising at least one such structure 100, and / or comprising at least one said breakable block 10.
  • the invention also relates to a watch 3000 comprising such a watch movement 2000.
  • the invention also relates to a method for producing a clockwork mechanism comprising at least one component 1, which comprises at least one flexible blade 2 or collar blade 20 joining two main blocks 3 each more rigid than this flexible blade 2 or collar blade 20.
  • At least one component 1 is made of a breakable block 10 as described above, each breakable block 10 is assembled with the other components of the clockwork mechanism, and all the gripping blocks 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.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electric Clocks (AREA)
  • Toys (AREA)
  • Knives (AREA)
EP18178992.6A 2017-07-07 2018-06-21 Oszillatorstruktur eines uhrwerks mit einem abtrennbaren element Active EP3451080B1 (de)

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 (2)

Publication Number Publication Date
EP3451080A1 true EP3451080A1 (de) 2019-03-06
EP3451080B1 EP3451080B1 (de) 2020-07-29

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 Before (1)

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

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)

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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
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

Citations (2)

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Publication number Priority date Publication date Assignee Title
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.
WO2016062889A2 (fr) 2014-10-24 2016-04-28 Richemont International Sa Organe réglant pour un mouvement horloger mécanique

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Publication number Priority date Publication date Assignee Title
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.
WO2016062889A2 (fr) 2014-10-24 2016-04-28 Richemont International Sa Organe réglant pour un mouvement horloger mécanique

Also Published As

Publication number Publication date
EP3425458A1 (de) 2019-01-09
CH713960B1 (fr) 2023-08-31
CN109212943B (zh) 2020-08-25
JP6546323B2 (ja) 2019-07-17
US20190011887A1 (en) 2019-01-10
CN109212943A (zh) 2019-01-15
US11262702B2 (en) 2022-03-01
EP3451080B1 (de) 2020-07-29
US20210223741A1 (en) 2021-07-22
CH713960A2 (fr) 2019-01-15
JP2019015731A (ja) 2019-01-31

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