EP3451076B1 - Spiralklötzchenträger für ein mechanisches uhrwerk - Google Patents

Spiralklötzchenträger für ein mechanisches uhrwerk Download PDF

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Publication number
EP3451076B1
EP3451076B1 EP17188811.8A EP17188811A EP3451076B1 EP 3451076 B1 EP3451076 B1 EP 3451076B1 EP 17188811 A EP17188811 A EP 17188811A EP 3451076 B1 EP3451076 B1 EP 3451076B1
Authority
EP
European Patent Office
Prior art keywords
balance
spring stud
holder
notch
spring
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.)
Active
Application number
EP17188811.8A
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English (en)
French (fr)
Other versions
EP3451076A1 (de
Inventor
Julien Christian
Thierry Conus
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 EP17188811.8A priority Critical patent/EP3451076B1/de
Priority to US16/052,801 priority patent/US10761484B2/en
Priority to JP2018153443A priority patent/JP6678210B2/ja
Priority to CN201810989161.6A priority patent/CN109426125B/zh
Publication of EP3451076A1 publication Critical patent/EP3451076A1/de
Application granted granted Critical
Publication of EP3451076B1 publication Critical patent/EP3451076B1/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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/04—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
    • G04B18/06—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat by setting the collet or the stud of a hairspring
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • 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
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes

Definitions

  • the invention relates to the field of watchmaking, and more particularly to the field of mechanical watchmaking, where the regulation of the driving energy is provided by a spring oscillator. More specifically, the invention relates to a pin holder for mechanical movement.
  • a balance-spring system which includes a flywheel called a balance, associated with a spring in the form of a ribbon wound in a spiral, called a spiral.
  • the hairspring is fixed on an axis integral in rotation with the balance; by an external end, the hairspring is fixed on a stud mounted on a stud holder itself integral with a fixed bridge (or cock).
  • the hairspring is made from a steel alloy based on cobalt, nickel and chromium. Quenching and tempering are commonly applied to this alloy, which has the advantage of giving it a high elastic limit and therefore good breaking strength.
  • Another advantage of steel is its repairability. But one drawback of steel is its magnetisability, which affects its behavior under load. (and therefore to the precision of the watch movement); in addition, fixing the eyebolt by gluing is delicate on steel.
  • silicon has the advantage of having a low moment of inertia, a low coefficient of expansion, good resistance to corrosion and of being non-magnetic.
  • the main drawback of silicon is its brittle nature, under the conditions described below.
  • the rotation of the balance is maintained - and its oscillations counted - by an escape mechanism comprising an anchor driven by a low-amplitude oscillating movement, provided with two paddles which attack the teeth of an escape wheel.
  • the escape wheel is imposed a step-by-step rotational movement, the frequency of which is determined by the frequency of oscillation of the anchor, itself fixed to the frequency of oscillation of the balance (c 'i.e. hairspring).
  • the oscillation frequency is about 4 Hz, or about 28,800 vibrations per hour (Ah).
  • One objective of good watchmakers is to ensure the isochronism and regularity of the oscillations (or constancy of the rate) of the balance.
  • the active length of the hairspring defined as the curvilinear length between its inner end and a counting point, located near the outer end of the hairspring and generally defined by a pair of stops carried by a key mounted on a racket.
  • this racket In operation, this racket is fixed in rotation with respect to the axis of the hairspring. However, it is possible, by manual intervention, to finely adjust its angular position, e.g. by pivoting, by means of a screwdriver, of an eccentric acting on the racket in the manner of a cam.
  • the assembly comprising the bridge, the racket, the key, the eyebolt, the eyebolt, the axle, the spring and the balance, is commonly referred to as a “regulating organ”.
  • regulating organs are proposed by the international application WO 2016/192957 and by the European patent EP 2 876 504 , both on behalf of the ETA watch manufacturer.
  • Certain interventions on the regulating organ may require unwinding (or even complete disassembly) of the hairspring. It is then necessary to separate the eyebolt, integral with the outer end of the balance spring, from the eyebolt holder.
  • the watchmaker usually grasps the eyebolt with a pair of tweezers, then gently removes it from the eyebolt holder.
  • the object of the invention is to allow spitefulness by limiting, or even eliminating, the risk of breakage.
  • an assembly comprising such an eyebolt holder.
  • FIG. 1 On the FIG. 1 is shown a watch 1.
  • This watch 1 comprises a middle part 2, which can in particular be made of metal (eg steel), or a synthetic material (eg, a composite material comprising a polymer matrix loaded with fibers, typically carbon).
  • metal eg steel
  • synthetic material eg, a composite material comprising a polymer matrix loaded with fibers, typically carbon
  • the watch 1 also comprises, for wearing on the wrist, a bracelet 3 which is fixed on the middle part 2 between lugs 4 protruding therefrom.
  • Watch 1 further comprises a crystal and a back (not shown), fixed to the middle part 2 on either side thereof.
  • the watch 1 comprises, finally, a watch movement 5, hereinafter simply referred to as “movement”, which comprises a plate 6 intended to be housed in the caseband 2 by being fixed thereto, for example. by means of screws.
  • movement comprises a plate 6 intended to be housed in the caseband 2 by being fixed thereto, for example. by means of screws.
  • Plate 6 forms a support for various mechanisms such as cog, regulating member, escapement, transmission, timer, winder (non-exhaustive list).
  • This clockwork movement 5 is mechanical, its motive power source being provided by a barrel spring and regulated by a spring oscillator. To house this oscillator, movement 5 incorporates a regulating member 7, which is mounted on plate 6.
  • the regulating member 7 comprises, first of all, a bridge 8.
  • This bridge 8 also called “cock”, is in the form of a rigid part (which may be metallic) fixed to the plate 6.
  • the bridge 8 forms both support and guide for the other components of the regulating organ 7.
  • the bridge 8 comprises a base 9. It is by this base 9 that the bridge 8 is fixed on the plate 6 by means of a screw 10 which, passing through a hole 11 made in the base 9, comes in helical engagement with a threaded hole 12 drilled in the plate 6.
  • the bridge 8 For fixing and guiding the other components of the regulating member 7, the bridge 8 comprises an apron 15, formed integrally with the base 9.
  • the bridge 8 is provided with a bore 16 made in the apron. 15, at a cantilevered end thereof.
  • the regulating member 7 comprises, secondly, a main axis 17, which is in the form of a stepped one-piece piece mounted in rotation with respect to the bridge 8. More precisely, the main axis 17 is mounted in rotation between the plate 6 and bridge 8.
  • the regulating member 7 comprises a shock absorber 18, driven into the bore 16, and which comprises, on an internal face, a hole 19 for guiding a first end of the main axis 17.
  • the plate 6 is provided with a hole 20 for guiding a second end of the main axis 17.
  • the ends of the latter advantageously cooperate with a hard mineral, such as ruby or diamond.
  • the regulating member 7 comprises, in the third place, a spring 21 spirally wound around the main axis 17. More precisely, the spring 21, hereinafter called “hairspring”, has an internal end 22, integral with the axis 17, and an external turn 23 which ends with an external end 24.
  • the hairspring 21 is made of silicon, optionally covered with an oxide layer.
  • the hairspring 21 When it is armed, the hairspring 21 provides a return torque which is exerted on the axis 17.
  • the regulating member 7 comprises, fourthly, a flywheel in the form of a balance 25 integral in rotation with the axis 17.
  • This balance 25, produced for example. brass includes a hub 26, by which it is driven on the axis 17, a rim 27, and spokes 28 (here three in number, but this number is only illustrative) which connect the hub 26 to serge 27.
  • the regulating member 7 comprises, in the fifth place, a stud holder 29 which comprises a ring 30, by which it is secured to the bridge 8, and a pair of tabs, namely a front lug 31 and a rear lug 32 (front and rear being defined in the direction of winding of the hairspring 21, from the inner end 22 to the outer end 24) which project radially from the ring 30 and, together, define a notch 33.
  • the eyebolt 29 is advantageously made of a metallic material, e.g. in steel.
  • the ring 30 of the pin holder 29 is driven onto a shank 34 which projects from the apron 15 coaxially with the bore 16.
  • the regulating member 7 comprises, in the sixth place, a stud 35 integral with the outer end 24 of the hairspring 21.
  • This stud 35 is for example. made of steel.
  • the eyebolt 35 is fixed to the outer end 24 of the hairspring 21 by bonding, by means of a photopolymerizable adhesive, the adhesion properties of which are activated by exposure to photon radiation in the ultraviolet. .
  • the eyebolt 35 secures (that is to say the immobilization with respect to the bridge 8) of the outer end 24 of the balance spring 21.
  • the oscillations of the hairspring 21 are maintained (and counted) by an escape anchor (not shown) which communicates kinetic energy to it, which arms the hairspring 21 by driving it beyond its equilibrium position.
  • the hairspring 21 rotates the axis 17 main, which it is integral with its internal end 22, with the balance 25 which is itself integral with the axis 17. Having reached a complete relaxation, the hairspring 21 comes to a stop (with the axis 17 and the balance 25 ) then, under the effect of its elasticity, tends to compress again and then drives the axis 17 and the balance 25 in a rotation in the opposite direction.
  • the oscillations of the spiral system 21 - balance 17 serve to regulate the reciprocating tilting movements of the escape anchor, which is provided with a pair of paddles alternately attacking an escape wheel whose rotation step by step, at a frequency determined by the oscillations of the anchor (that is to say of the spring), is transmitted to a timer provided with one (or more) hand (s) indicating the hours (and / or minutes) .
  • the frequency of the oscillations of the spiral system 21 - balance 17 can be finely adjusted, by hand, by intervention on the regulating member 7, which comprises for this purpose, in the seventh place, a racket 39.
  • the racket 39 is fixed on the bridge 8 with the possibility of angular displacement with respect to the latter around the main axis 17.
  • the upper element 45 comprises a central ring 47 and a pair of indexing fingers 43 which extend radially in a V from this central ring 47.
  • the lower element 46 comprises a ring 48; the tail 40 comprises a pair of tongues 49 which project radially from the ring 48 and define between them a slot 50 in which the key 41 is inserted.
  • the central ring 47 of the upper element 45 comprises a projecting bush 51 driven into the ring 48 of the lower element, which secures the upper element 45 and the lower element 46.
  • the central ring 47 of the upper element 45 is provided with a chamfer 52 complementary to a conical bearing surface 53 formed on the shock absorber 18, which ensures the rotational guidance of the racket 39 around the axis 17.
  • the stops 42 jointly form for the hairspring 21 a counting point, which together with the internal end 22 defines an active (curvilinear) length on which depends the frequency of the oscillations of the hairspring 21.
  • the (manual) rotation of the eccentric 44 varies. the angular position of the racket 39 and therefore of the counting point, which increases (or, conversely, decreases) the active length (and therefore the frequency of oscillations) of the hairspring 21.
  • the finger (s) is (are) housed in a recessed reserve 54 formed in the deck 15 of the bridge 8.
  • a graduation 55, as well as the signs "-" and "+”, engraved in the apron 15, provide the watchmaker with indications on the scale and the direction of rotation, useful to allow him to adjust finely (with a magnifying glass or a microscope, or even by means of a specific device, such as the REGO model marketed by the CENTAGORA company) the position of the eccentric 44 (notched for this purpose) - and therefore of the racket 39.
  • the piton holder 29 is provided with a retaining stop for the piton 35 extracted from the 'notch 33.
  • the rear tab 32 of the eyebolt 29 comprises an extension 56 which defines, beyond the notch 33, an elbow 57 forming this stop.
  • the extension 56 comprises a radial portion 59 (substantially collinear with the inner section 58), and a transverse portion 60 which extends the radial portion 59 at right angles.
  • the elbow 57 is defined at the junction between the radial portion 59 and the transverse portion 60.
  • the transverse portion 60 of the extension 56 is advantageously spaced from the front tab 31 to form with it a passage 61 wide enough to allow the introduction (or forced withdrawal) of the pin 35, transversely.
  • the rear tab 32 preferably has a fillet 62 for internal connection at the elbow 57.
  • the peg 35 snapped into the notch 33 is illustrated in dotted lines on the FIG. 7 and on the FIG. 10 .
  • the body 36 of the pin 35 cooperates with the facets of the notch 33 which thus ensures its retention for the needs of the ordinary operation of the hairspring 21 (and therefore of the movement 5).
  • the pin 35 is extracted (that is to say clicked) from the notch 33 manually, by a radial movement outwards (that is to say tending to move the pin 35 away from the ring 30) , in the direction indicated by the arrows on the FIG. 7 and FIG. 10 .
  • the equilibrium position of the hairspring 21 is reached when the eyebolt 35 is in the notch 33 of the eyebolt holder.
  • the eyebolt therefore tends to return there, and thus to wedge itself in the elbow 57 (and more precisely in the leave 62) where it is thus retained, as illustrated in solid lines on the FIG. 8 and FIG. 10 .
  • the elbow 57 (and therefore the stop that it forms) makes it possible to unclip the eyelet 35 without the risk of the latter escaping when it is extracted from the notch 31.
  • the eyebolt 35 is then retained by the stop formed by the elbow 57, it is then possible to change the tool to ensure a more comfortable (and firmer) grip on the eyebolt 35 (eg by means of a pair of tweezers) with a view, for example, to completely dismantle the hairspring 21, by a vertical movement, as illustrated by the arrow on the FIG. 10 .
  • the spitefulness is carried out in two stages.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Adornments (AREA)

Claims (10)

  1. Spiralklötzchenträger (29) für ein mechanisches Uhrwerk (5), der ein Paar Klauen, nämlich eine vordere Klaue (31) und eine hintere Klaue (32), aufweist, die zusammen eine Kerbe (33) definieren, wobei die Klauen (32, 33) so angeordnet sind, dass in der Kerbe (33) ein Spiralklötzchen (35) gehalten werden kann,
    dadurch gekennzeichnet, dass die hintere Klaue (32) des Spiralklötzchenträgers (29) eine Verlängerung (56) aufweist, die jenseits der Kerbe (33) einen Bogen (57) definiert, der einen Halteanschlag für das Spiralklötzchen (35) bildet, wenn das Spiralklötzchen (35) aus der Kerbe (33) entnommen worden ist.
  2. Spiralklötzchenträger (29) nach Anspruch 1, dadurch gekennzeichnet, dass die hintere Klaue (32) einen inneren Abschnitt (58) aufweist, der mit der vorderen Klaue (31) die Kerbe (33) definiert, wobei die Verlängerung (56) einen radialen Teil (59) aufweist, der zu dem inneren Abschnitt (58) im Wesentlichen kolinear ist, und einen Querteil (60) aufweist, der den radialen Teil (59) rechtwinklig verlängert, wobei der Bogen (57) an der Verbindung zwischen dem radialen Teil (59) und dem Querteil (60) definiert ist.
  3. Spiralklötzchenträger (29) nach Anspruch 2, dadurch gekennzeichnet, dass der Querteil (60) der Verlängerung (56) von der vorderen Klaue (31) beabstandet ist, um mit ihr einen Querdurchgang (61) für das Spiralklötzchen (35) zu bilden.
  4. Spiralklötzchenträger (29) nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass die hintere Klaue (32) eine innere Anschlussauskehlung (62) auf Höhe des Bogens (57) aufweist.
  5. Baugruppe (7) für ein mechanisches Uhrwerk (5), umfassend einen Spiralklötzchenträger (29) nach einem der vorhergehenden Ansprüche und ein Spiralklötzchen (35), dadurch gekennzeichnet, dass das Spiralklötzchen (35) einen zylindrischen Körper (36), durch den es in der Kerbe (33) eingerastet ist, und auf beiden Seiten des Körpers (36) umfasst:
    - einen verbreiterten Kopf (37), durch den sich das Spiralklötzchen (35) an dem Spiralklötzchenträger (29) abstützt,
    - eine Gabel (38), in der ein äußeres Ende (24) einer Feder (21) des Werks (5) aufgenommen werden soll.
  6. Baugruppe (7) nach dem vorhergehenden Anspruch, ferner umfassend einen Rücker (39), der zwei verschiedene, aneinander befestigte Elemente aufweist, nämlich:
    - ein oberes Rückerelement (45), das ein Paar Indexierungsfinger (43) bildet, die ermöglichen, die Winkelposition des Rückers (39) einzustellen;
    - ein unteres Rückerelement (46), das einen Fortsatz (40) bildet.
  7. Baugruppe (7) nach Anspruch 6, dadurch gekennzeichnet, dass das obere Element (7) einen zentralen Ring (47) aufweist, wobei sich das Paar Indexierungsfinger (43) von diesem zentralen Ring (47) V-förmig erstreckt.
  8. Baugruppe (7) nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass der Fortsatz (40) ein Paar Zungen (49) aufweist, die miteinander einen Schlitz (50) definieren, der das Einsetzen eines Schlüssels (41) ermöglicht.
  9. Mechanisches Uhrwerk (5), in das eine Baugruppe (7) nach einem der Ansprüche 5 bis 8 eingebaut ist.
  10. Uhr (1), umfassend ein mechanisches Uhrwerk (5) nach Anspruch 9.
EP17188811.8A 2017-08-31 2017-08-31 Spiralklötzchenträger für ein mechanisches uhrwerk Active EP3451076B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17188811.8A EP3451076B1 (de) 2017-08-31 2017-08-31 Spiralklötzchenträger für ein mechanisches uhrwerk
US16/052,801 US10761484B2 (en) 2017-08-31 2018-08-02 Balance-spring stud-holder for a mechanical timepiece movement
JP2018153443A JP6678210B2 (ja) 2017-08-31 2018-08-17 機械式計時器ムーブメントのためのひげ持ち保持器
CN201810989161.6A CN109426125B (zh) 2017-08-31 2018-08-28 用于机械钟表机芯的游丝外桩保持器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17188811.8A EP3451076B1 (de) 2017-08-31 2017-08-31 Spiralklötzchenträger für ein mechanisches uhrwerk

Publications (2)

Publication Number Publication Date
EP3451076A1 EP3451076A1 (de) 2019-03-06
EP3451076B1 true EP3451076B1 (de) 2020-07-29

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Application Number Title Priority Date Filing Date
EP17188811.8A Active EP3451076B1 (de) 2017-08-31 2017-08-31 Spiralklötzchenträger für ein mechanisches uhrwerk

Country Status (4)

Country Link
US (1) US10761484B2 (de)
EP (1) EP3451076B1 (de)
JP (1) JP6678210B2 (de)
CN (1) CN109426125B (de)

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EP3736640B1 (de) * 2019-05-07 2022-12-21 Nivarox-FAR S.A. Unruh für uhrwerk
USD922893S1 (en) * 2019-05-07 2021-06-22 Nivarox-Far Sa Watch component
CN111895042A (zh) * 2020-08-10 2020-11-06 周祖焕 三极轮系装置和恒速时钟
EP4006649A1 (de) * 2020-11-27 2022-06-01 ETA SA Manufacture Horlogère Suisse Befestigungsvorrichtung zur einstellung des unruhspiels
EP4286960A1 (de) * 2022-06-02 2023-12-06 ETA SA Manufacture Horlogère Suisse Regulierorgan für uhr, das mit einer rückervorrichtung ausgestattet ist

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US3046725A (en) * 1958-10-29 1962-07-31 Parechoc Sa Hairspring adjustment device for a timepiece
JPS5235006Y2 (de) * 1971-08-25 1977-08-10
JPS5223564U (de) * 1975-08-07 1977-02-18
CH614829GA3 (en) * 1976-10-12 1979-12-28 Device for fixing the outer end of a watch hairspring to a framework element of the movement
JP2011215085A (ja) * 2010-04-01 2011-10-27 Seiko Instruments Inc てんぷ構造体及び該構造体を備えた機械式時計
JP5374443B2 (ja) * 2010-05-26 2013-12-25 シチズンホールディングス株式会社 回転摺接機構を備えたてんぷ受構造体および時計
DE202010014253U1 (de) * 2010-10-13 2011-02-17 Damasko, Petra Schwingsystem für mechanische Uhrwerke
EP2474871B1 (de) * 2011-01-06 2017-05-10 ETA SA Manufacture Horlogère Suisse Rückerstifte für Unruh-Spiralfeder
EP2748684B1 (de) * 2012-08-07 2016-05-18 ETA SA Manufacture Horlogère Suisse Schwingsystem für uhrwerke
EP2876504B1 (de) * 2013-11-20 2017-07-26 ETA SA Manufacture Horlogère Suisse Schraubenloser Spiralklötzchen-Träger für Uhr
EP2887154B1 (de) * 2013-12-20 2016-07-20 Blancpain SA. Befestigungsmechanismus eines Spiralklötzchen an eine Unruhbrücke, und Reguliervorrichtung mit Unruh-Spiralfeder, die einen solchen Mechanismus umfasst
EP2980658B1 (de) * 2014-08-01 2017-07-19 Agenhor SA Vorrichtung zum Zusammenbau und Regulieren einer Spirale
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WO2016192957A1 (fr) 2015-06-03 2016-12-08 Eta Sa Manufacture Horlogère Suisse Résonateur à réglage fin par raquetterie
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EP3179315B1 (de) * 2015-12-11 2019-03-27 ETA SA Manufacture Horlogère Suisse Spiralklötzchenträger mit gesicherter montage
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Also Published As

Publication number Publication date
US10761484B2 (en) 2020-09-01
EP3451076A1 (de) 2019-03-06
JP2019045482A (ja) 2019-03-22
CN109426125B (zh) 2021-04-27
JP6678210B2 (ja) 2020-04-08
US20190064739A1 (en) 2019-02-28
CN109426125A (zh) 2019-03-05

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