EP2063325B1 - Mechanisches Uhrwerk - Google Patents

Mechanisches Uhrwerk Download PDF

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Publication number
EP2063325B1
EP2063325B1 EP20080167317 EP08167317A EP2063325B1 EP 2063325 B1 EP2063325 B1 EP 2063325B1 EP 20080167317 EP20080167317 EP 20080167317 EP 08167317 A EP08167317 A EP 08167317A EP 2063325 B1 EP2063325 B1 EP 2063325B1
Authority
EP
European Patent Office
Prior art keywords
movement
balance
staff
hairsprings
hairspring
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
EP20080167317
Other languages
English (en)
French (fr)
Other versions
EP2063325A3 (de
EP2063325A2 (de
Inventor
Eric Klein
Gérard Lallement
Kilian Eisenegger
Sheng Jun Huang (David)
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.)
Richemont International SA
Original Assignee
Richemont International 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 Richemont International SA filed Critical Richemont International SA
Priority to EP12165381A priority Critical patent/EP2485096A1/de
Publication of EP2063325A2 publication Critical patent/EP2063325A2/de
Publication of EP2063325A3 publication Critical patent/EP2063325A3/de
Application granted granted Critical
Publication of EP2063325B1 publication Critical patent/EP2063325B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance

Definitions

  • the present invention relates to a mechanical watch movement, in particular the regulating member of a mechanical watch movement.
  • the mechanical regulating members comprise a pendulum driven on a rotating axis and a spiral whose contractions determine the running of the watch.
  • the inner end of the spiral is integrally connected to the axis of the balance beam through the ferrule.
  • the outer end of the hairspring is itself integrally linked to the plate or the pendulum bridge through a peg.
  • Requirement EP1605322 discloses a regulating member in which the inner end of the hairspring is connected to the axis of the balance beam through a ferrule free to move axially along this axis. This solution does not solve the problem of isochronism mentioned.
  • shock absorbers are generally used such as Incablocs® systems which absorb axial shocks on the axis of the balance, while allowing rotation with less friction. These shock absorbers however increase the regulating organ and increase its complexity and difficulty of assembly.
  • the axis of the pendulum is generally linked to a pendulum bridge that increases the thickness of movement.
  • FR 2,447,571 discloses a mechanical watch movement according to the preamble of claim 1.
  • An object of the present invention is therefore to provide a regulating member which avoids these disadvantages.
  • the figure 1 illustrates a perspective view from above of a regulating member for watch movement according to the invention.
  • the other elements of the movement are conventional and are not represented.
  • the movement comprises a plate 2 ( figure 2 ) and a rocker 1 set in motion thanks to the energy provided by the escape wheel 9 and the escapement anchor 8.
  • the rocker rotates about a fixed axis 7 relative to the plate 2.
  • Elements of 72 guide integral with the balance provide lateral and axial guidance of the balance 1 on the axis 7.
  • these guide elements comprise a socket connected to the spokes 10 of the beam and traversed by the axis 7.
  • a stone 73 reduces friction between the rotating guide elements and the plate 2.
  • a second stone 74 reduces friction between the guide elements 72 and the fixed axis 7, respectively the ring 70 which is fixed or driven on the axis 7.
  • the axis 7 being fixed, shock absorbers are not necessary.
  • the regulating member comprises a first spiral spring 3 whose inner end is integral with the ferrule 70 and thus the fixed axis 7 of the balance 1.
  • the end curve at the outer end 30 of the spiral is in turn related to the balance 1.
  • the expression "end of the spiral” includes the curve end or tail at each end of the spiral, or generally the entire portion at each end of the spiral whose deformation is negligible compared to that of the entire spiral, for example the last turn at each end of the spiral.
  • the regulating member comprises a second spiral spring 5 in the same plane as the first spiral spring 3 and whose turns are deployed between the turns of the first spring.
  • the two spirals are therefore concentric and wound in the same direction.
  • the use of a second spiral spring improves the balancing of the forces of the regulating member. Coils wound in opposite directions, in different planes, are also possible but require a greater thickness.
  • the inner end of the second spiral 5 is also connected to the fixed axis 7, for example by means of the same ferrule 7 or an additional ferrule.
  • the inner ends of the two spirals are fixed by means of the same ferrule, but at 180 ° from each other about the axis 7.
  • the outer end 50 of the second spiral 5 is linked to the periphery of the balance 1, preferably 180 ° of the point of attachment of the first balance to compensate for displacements of the center of gravity.
  • the regulating member further comprises an escapement with an anchor 8 and an escape wheel 9.
  • the anchor 8 rotates about an axis 82 visible on the figure 2 and mounted between two stones 83, 84, one of which is connected to the plate 2.
  • a fork 85 that can be seen on the figure 2 collaborates with an ankle 71 connected to the guide means of the balance 1 on the axis 7, in order to limit the stroke of the anchor.
  • the portion 81 of the anchor 8 provided with the pallets 86 is actuated by the escape wheel 9 which pivots about the axis 90 mounted between two stones, one of which is connected to the plate 2.
  • the inner ends of the spirals are fixed to a fixed axis.
  • a rotary axis for example the axis of the balance, and to fix the inner ends of the spirals to another point by means of a peak and a bridge.
  • the rocker 1 rotates about a rotating axis 101 between the plate 2 and a rocker bridge 102, by means of a lower pivot 103 and an upper pivot 104.
  • the pivot upper 104 may also include a shockproof device, for example, Incabloc® type.
  • the rocker bridge 102 comprises a pinion gate 105 fixedly secured to the rocker bridge 102 and extending below the bridge 102, towards the rotary axis 101.
  • the pinion gate 105 comprises a pin 106 fixed at its end and on which is fixed the inner end of the first hairspring 3.
  • the outer end 30 of the hairspring is linked to the pendulum 1.
  • the regulating member also comprises a second spiral spring (not shown) preferably in the same plane as the first spiral spring 3, concentric and wound in the same direction as the latter.
  • the outer end of the second hairspring is connected to the periphery of the balance 1, preferably 180 ° from the point of attachment of the first hairspring, in order to compensate for displacements of the center of gravity.
  • the inner end of the second hairspring may also be linked to the door 105, for example by means of the pin 106 or an additional pin.
  • the above description relates to a regulating member with two concentric spirals at 180 °. However, it is also possible to use three spirals out of phase by 120 °, or n spirals out of phase by 360 ° / n.
  • the construction is particularly advantageous for light control members, in particular regulating devices in which the hairspring, the anchor, the escape wheel and / or the balance, or any combination of these elements, are made of silicon, or light alloy.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Micromachines (AREA)
  • Vibration Dampers (AREA)

Claims (13)

  1. Mechanisches Uhrwerk einschliesslich eines Regulierorgans mit einer Unruh (1) und mindestens zwei konzentrischen Spiralfedern (3, 5), dadurch gekennzeichnet, dass:
    das Aussenende (30, 50) von jeder Spiralfeder mit der Unruh (1) integral verbunden ist, und
    das Innenende jeder Spiralfeder mit einem fixen Punkt (7) des Uhrwerks integral verbunden ist.
  2. Das Uhrwerk von Anspruch 1, wobei der besagte Fixpunkt (7) aus einer integral mit der Werkplätte (2) des Uhrwerks verbundenen festen Welle besteht, worin das Uhrwerk eine Spiralrolle (70) zur Befestigung des Innenendes der besagten Spiralfeder (3, 5) auf die besagte feste Welle (7) aufweist.
  3. Das Uhrwerk von einem der Ansprüche 1 oder 2, worin die Unruh (1) um eine oder um die besagte mit der Werkplatte (2) des Uhrwerks integral verbundenen festen Welle dreht.
  4. Das Uhrwerk von Anspruch 3, mit Führungsmittel (72) zur Einschränkung des lateralen und vertikalen Spiels der besagten Unruh (1) in Bezug auf die besagte feste Welle (7).
  5. Das Uhrwerk von Anspruch 4, mit einer Anker-Hemmung mit einem Anker (81), ausgestattet mit einer Gabel und einem von den besagten Führungsmitteln (72) getragenen Stift (71).
  6. Das Uhrwerk von einem der Ansprüche 1 bis 5, mit Steinen (73, 74) auf der Werkplatte (2) und/oder auf Führungselementen (72) der Unruh (1), um die Reibungen während der Drehung der Unruh in Bezug auf die besagte feste Welle (7) zu reduzieren.
  7. Das Uhrwerk von einem der Ansprüche 1 bis 6, mit nur zwei konzentrischen Spiralfedern (3, 5).
  8. Das Uhrwerk von Anspruch 7, wobei das äussere Ende der besagten Spiralfedern (3, 5) in 180 Grad zueinander auf der Unruh angebracht sind.
  9. Das Uhrwerk von einem der Ansprüche 1 bis 8, worin das Innenende der besagten Spiralfedern (3, 5) mit einer integral mit besagter festen Welle (7) verbundenen Spiralrolle (70) befestigt ist.
  10. Das Uhrwerk von einem der Ansprüche 1 bis 9, worin die besagten Spiralfedern (3, 5) komplanar sind.
  11. Das Uhrwerk von einem der Ansprüche 1 bis 10, worin die Spiralfedern (3, 5) und die Unruh (1) aus Silizium oder einer leichten Metalllegierung ausgeführt sind.
  12. Das Uhrwerk von Anspruch 1, mit einer rotierenden Unruhwelle (101), worin das Innenende jeder Spiralfeder mit einem Spiralklötzchen (106) befestigt wird, so dass das besagte Innenende in Bezug auf das Regulierorgan unbeweglich ist.
  13. Das Uhrwerk von Anspruch 12, worin die besagte rotierende Unruhwelle (101) sich zwischen der Werkplatte (2) und einer Unruhbrücke (102) dreht, wobei die Unruhbrücke (102) einen Spiralklötzchenträger (105) umfasst, wobei das oder die Spiralklötzchen (106) auf dem Spiralklötzchenträger (105) befestigt werden.
EP20080167317 2007-11-20 2008-10-22 Mechanisches Uhrwerk Active EP2063325B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12165381A EP2485096A1 (de) 2007-11-20 2008-10-22 Mechanisches Uhrwerk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH17952007 2007-11-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP12165381.0 Division-Into 2012-04-24

Publications (3)

Publication Number Publication Date
EP2063325A2 EP2063325A2 (de) 2009-05-27
EP2063325A3 EP2063325A3 (de) 2011-11-30
EP2063325B1 true EP2063325B1 (de) 2012-12-26

Family

ID=39942989

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12165381A Withdrawn EP2485096A1 (de) 2007-11-20 2008-10-22 Mechanisches Uhrwerk
EP20080167317 Active EP2063325B1 (de) 2007-11-20 2008-10-22 Mechanisches Uhrwerk

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12165381A Withdrawn EP2485096A1 (de) 2007-11-20 2008-10-22 Mechanisches Uhrwerk

Country Status (1)

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EP (2) EP2485096A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2151722B8 (de) * 2008-07-29 2021-03-31 Rolex Sa Spiralfeder für Spiralfeder-Unruh-Resonator
CH701783B1 (fr) * 2009-09-07 2015-01-30 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Ressort spiral de mouvement de montre.
CH705398B1 (fr) * 2011-08-24 2016-11-30 Montblanc Montre Sa Organe réglant comprenant un double ressort spiral dont les spires s'élèvent continuellement en hauteur.
FR2981762B1 (fr) * 2011-10-25 2015-01-16 Philippe Rhul Systeme spiral-balancier pour un mouvement d'horlogerie, et montres equipees de ce systeme
EP2874019B1 (de) 2013-11-15 2021-01-13 Richemont International S.A. Endkurve für eine Spiralfeder, die über ihr äußeres Ende angetrieben wird
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
EP3182215A1 (de) 2015-12-14 2017-06-21 Novasort SA Schwingsystem für uhr
EP3534222A1 (de) * 2018-03-01 2019-09-04 Rolex Sa Herstellungsverfahren eines thermokompensierten oszillators

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30247A (en) * 1860-10-02 Watch
US278173A (en) * 1883-05-22 Compensating-balance for time-pieces
CH17591A (de) * 1898-09-15 1899-07-15 Gaspar Bellak Uhren-Unruhe
GB831161A (en) * 1957-06-20 1960-03-23 Smith & Sons Ltd S Improvements in or relating to balance wheels for time pieces
CH347487A (de) * 1957-11-08 1960-06-30 Kienzle Uhrenfabriken Ag Verfahren zum zentrischen Befestigen der Spiralfeder an der Spiralrolle
FR1438887A (fr) * 1965-07-03 1966-05-13 Tissot Horlogerie Dispositif de fixation d'une extrémité d'un spiral réglant de mouvement d'horlogerie à un organe de liaison
CH1787468A4 (de) * 1968-11-29 1970-06-15
DE2902810C2 (de) * 1979-01-25 1981-01-15 Erich Prof. 5000 Koeln Schiebuhr Unruh für zeithaltende Geräte
CH697208A5 (fr) 2004-04-08 2008-06-25 Coredem Sa Ensemble balancier-spiral pour mouvement d'horlogerie mécanique.
JP4688627B2 (ja) * 2005-10-24 2011-05-25 セイコーインスツル株式会社 ひげ棒構造体、並びにこれを備えた緩急針、てんぷ構造体及び機械式時計
EP2151722B8 (de) * 2008-07-29 2021-03-31 Rolex Sa Spiralfeder für Spiralfeder-Unruh-Resonator

Also Published As

Publication number Publication date
EP2063325A3 (de) 2011-11-30
EP2063325A2 (de) 2009-05-27
EP2485096A1 (de) 2012-08-08

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