EP2570868B1 - Element für Uhrwerk, Uhrwerk und Uhr - Google Patents

Element für Uhrwerk, Uhrwerk und Uhr Download PDF

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Publication number
EP2570868B1
EP2570868B1 EP20110007420 EP11007420A EP2570868B1 EP 2570868 B1 EP2570868 B1 EP 2570868B1 EP 20110007420 EP20110007420 EP 20110007420 EP 11007420 A EP11007420 A EP 11007420A EP 2570868 B1 EP2570868 B1 EP 2570868B1
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EP
European Patent Office
Prior art keywords
movement
balance
plate
piece assembly
anchor
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
EP20110007420
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English (en)
French (fr)
Other versions
EP2570868A1 (de
Inventor
Anthony Krüttli
Frédéric Maier
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.)
Patek Philippe SA Geneve
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Patek Philippe SA Geneve
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.)
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Publication date
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP20110007420 priority Critical patent/EP2570868B1/de
Publication of EP2570868A1 publication Critical patent/EP2570868A1/de
Priority to HK13103674.2A priority patent/HK1176693A1/xx
Application granted granted Critical
Publication of EP2570868B1 publication Critical patent/EP2570868B1/de
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    • 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
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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

Definitions

  • the present invention relates to a watch movement comprising a plate, an anchor bridge and a cock on which are pivoted respectively a balance shaft and an anchor; this movement comprising a balance wheel, a spiral secured to a ferrule, a large plate carrying an ankle and a small plate with a notch.
  • the large tray and the small tray are separate elements, separated from each other which are each mounted separately on the balance shaft.
  • the document EP 2 322 996 proposes to provide the ferrule of the spiral of a protrusion extending parallel to the axis of the spiral, crossing the balance and cooperating with the fork of an anchor.
  • This protrusion coming from a workpiece with the hairspring and serving as ankle allows a perfect positioning between the ankle, the ferrule and the hairspring.
  • This construction reduces by one unit the number of parts of the assembly but does not make it possible to suppress the setting to the reference.
  • the document EP 1431844 discloses a monobloc assembly comprising a spiral regulating member and its ferrule.
  • the object of the present invention is to further limit the number of parts required for a balance spring-type regulating member cooperating with an escapement anchor.
  • Another object of the present invention is to suppress the setting operation when setting the balance sprung balance in the movement.
  • Yet another object of the invention is to facilitate the introduction of the sprung balance in the movement by reducing the mounting operations.
  • the object of the invention is to reduce as much as possible the overall height of the sprung balance and the large and small trays without reducing the safety distances necessary for the smooth operation of the sprung balance and the exhaust of the movement.
  • the present invention thus relates to a watch movement comprising a plate, an anchor bridge and a cock on which are pivoted respectively a balance shaft and an anchor; this movement comprising a balance wheel, a spiral secured to a ferrule, a large plate carrying an ankle and a small plate with a notch which is distinguished by the fact that the spiral and its ferrule, the large plate and its ankle and the small plate form a monobloc assembly.
  • this one-piece assembly may comprise an elastic clamp for fixing it to the axis of the balance.
  • the end of the outer turn of the hairspring is integrally connected to a fixed part of the movement, in particular by means of a pin and its clamp.
  • the present invention also relates to a timepiece comprising a movement in which the spiral and its ferrule, the large plate and its ankle as well as the small plate form a one-piece assembly that may include an elastic clip for its attachment to the balance shaft.
  • the present invention also relates to a piece for a watch movement constituted by a one-piece assembly comprising a hairspring and its ferrule, a large plate and ankle and a small plate.
  • the first embodiment illustrated in Figures 1 and 2 of the watch movement comprises a plate 1, an anchor bridge 2 fixed on the plate 1 and a cock 3 also fixed on the plate 1.
  • An anchor 4 is pivoted between the plate 1 and the anchor bridge 2 while a rocker shaft 5 is pivoted between the plate 1 and the cock 3.
  • a rocker 6 is fixed in a conventional manner on the rocker shaft 5.
  • the anchor 4 conventionally includes a fork 4.1 and a dart 4.2.
  • the watch movement according to the present invention also comprises a one-piece assembly comprising a spiral 7 and its ferrule 7.1, a small plate 8 provided with a notch intended to cooperate with the anchor bolt 4.2, and a large plate 9 comprising an anchor 10 intended to cooperate with the fork 4.1 of the anchor 4.
  • this one-piece assembly is formed based on silicon, especially monocrystalline silicon.
  • This one-piece assembly is produced by etching substrate type S.O.I. (Silicon On Insulator) either directly in one piece or in two pieces if the shape is such that it can not be obtained in one piece.
  • this monobloc assembly is obtained by etching an SOI substrate only or by etching and then fusing two subassemblies, the precision that these techniques make it possible to achieve makes it possible to produce this monobloc assembly in such a way that that the angle ⁇ formed between a first plane passing through the axis of the one-piece assembly and the axis of symmetry of the pin 10 and a second plane also passing through the axis of the one-piece assembly and the end of the outer coil of the spiral respectively of the pin on which it is fixed can be guaranteed precisely.
  • the one-piece assembly comprising the hairspring 6, its shell and the plates 8 and 9 also comprises a device for elastic fastening of this one-piece assembly on the balance shaft 5.
  • This elastic fastening device has come from a workpiece with the one-piece assembly or with at least one of the two subassemblies where appropriate.
  • This elastic fastening device can be integrated in the ferrule 7.1 of the spiral for example as described in the patents CH 698876 or CH 700805 and will not be described in detail here.
  • the outer end 7.2 of the spiral 7 is shaped so as to be rigidly coupled to a clamp 11 secured to a stud 12 as described for example in the patent CH 700805 .
  • the rocker 6 is mounted on the rocker shaft 5 in a conventional manner and then the one-piece assembly 7, 8, 9 is fixed on the rocker shaft by its resilient clamp at an axial position of this predetermined axis.
  • the anchor 4 is then put in place so that its fork 4.1 surrounds the peg 10 of the one-piece assembly 7, 8, 9 and is mounted on an anchor axis 14.
  • One of the ends of the Anchor axis 14 is pivoted in the plate, the other in the anchor bridge 2 which is fixed on the plate.
  • the hairspring 7 and its ferrule 7.1, the small plate 8 and the large plate 9 and pin 10 constitute a one-piece assembly assembly of these elements is greatly simplified, the number of parts to be assembled is reduced to a minimum.
  • this one-piece assembly 7, 8, 9 can be reduced with respect to an assembly of three individual pieces because of the machining precision of the one-piece assembly 7, 8, 9 and the removal of the cumulative tolerances related to each of the elements 7, 8, 9 if they were manufactured and machined then mounted separately.
  • the position of the blind hole in the plate 1 determines, given the well-defined geometry of the stud 12 and the one-piece assembly 7, 8, 9, the exact operating position of the one-piece assembly 7, 8, 9 , relative to the anchor 4 and ensures in particular that in the neutral position of the spiral 7, the axis of the pin 10 is located in alignment with the axis 14 of the anchor and the balance shaft 5 without any adjustment being necessary.
  • the depth of the blind hole 15 determines the height of the stud 12 and therefore the end 7.2 of the outer turn of the spiral 7 so that it is located in a plane. This adjustment is also automatic in this construction.
  • the stud 12 is held in place by a plate 16 fixed to the plate 1 by means of a screw 17.
  • the second embodiment of the watch movement illustrated in Figures 3 and 4 is similar to the first embodiment described and the same reference numerals are used to designate the corresponding parts.
  • This second embodiment differs from the first in that the anchor bridge 2 is larger and has a through hole 20 receiving the stud 12 for fixing the end of the outer coil 7.2.
  • This through hole defines the radial and angular position of the stud 12 whose axial position is defined by the plate 1, the lower end of the stud 12 coming into contact with this plate 1.
  • the spiral 7 is embedded in the anchor bridge 2 in whole or in part.
  • the angular, radial and axial position of the pin 12 is defined by the geometry of the plate, the anchor bridge and said pin; no adjustment is necessary.
  • the spiral 7 of the one-piece assembly 7, 8, 9 is disposed above the anchor bridge 4 under the rocker arm 6.
  • the stud 12 carrying the clamp 11 serving as a fastener to the outer end 7.2 of the spiral 7 is housed in a piercing anchor bridge 20 automatically defining its radial and angular positions.
  • a side screw 21 blocks the stud 12 in its axial service position adjusted to the assembly by a watchmaker.
  • the one-piece assembly 7, 8, 9 comprises two elastic clamps for fixing this assembly on the rocker shaft 5.
  • a first resilient clamp 22 for fixing has come from a workpiece with the ferrule 7.1 of the spiral 7.
  • a second elastic attachment clip 23 has come from a workpiece with the large plate 9 and the small plate 8.
  • the one-piece assembly 7, 8, 9 always has in its upper part the hairspring 7 and its shell 7.1 having a first resilient clamp 22, in its middle part, the small 8 and its notch, and in its lower part the large plate 9 and its peg 10.
  • a second elastic clamp 23 is located at the two plates 8 and 9 and came from a workpiece with one or both of said plates 8, 9.
  • FIG. 9 A fourth embodiment of the watch movement is illustrated in Figures 9 to 13 .
  • elements and members similar or corresponding to those of the previous embodiments have the same reference numerals.
  • the movement also comprises a plate 1, an anchor bridge 2 and a cock 3.
  • a rocker shaft 5 is pivoted between the cock 3 and the plate while an anchor 4 is pivoted by its anchor axis 14 between plate 1 and anchor bridge 2.
  • the balance shaft 5 always carries the same elements, namely the balance 6, the spiral 7, the small plate 8 and the large plate 9.
  • the balance 6 is integrated in the one-piece assembly and is an integral part thereof.
  • the one-piece assembly 6, 7, 8, 9 includes the hairspring 7 and its shell 7.1, the rocker 6, the small plate 8 and the large plate 9 and its peg 10.
  • the rocker 6 is located between the spiral 7 and the small plate 8.
  • the spiral 7 thus constitutes the upper part of the one-piece assembly 6, 7, 8, 9.
  • the outer end 7.2 of the spiral 7 is fixed in a clamp 11 secured to a pin 12 which itself is fixed in the cock 3 in a predetermined non-adjustable position.
  • the ferrule 7.1 of the spiral 7 comprises a first resilient clamp 22 while a second resilient clamp 23 is part of the large and small plate 8, 9 or at least one of these trays.
  • This form of execution can further reduce the number of parts and facilitate the assembly of the movement by eliminating most, see all settings, this form of execution is particularly interesting.
  • the stud fixing the end of the hairspring can be fixed on a fixed part of the movement, platinum, anchor bridge or cock, in a predetermined position in advance which will ensure that when the monobloc element will be in the neutral axial position of the spiral, the peg is aligned on the straight line connecting the pivot axes of the fork and the balance.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Adornments (AREA)

Claims (15)

  1. Teil für Uhrwerke, das eine einstückige Baugruppe umfasst, die aus einer Spiralfeder (7) und ihrer Spiralrolle (7.1) gebildet ist, dadurch gekennzeichnet, dass die einstückige Baugruppe auch eine große Hebelscheibe (9) und ihren Stein (10) sowie eine kleine Hebelscheibe (8) umfasst.
  2. Teil für Uhrwerke nach Anspruch 1, dadurch gekennzeichnet, dass die einstückige Baugruppe noch eine Unruh (6) umfasst.
  3. Teil für Uhrwerke nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die einstückige Baugruppe noch mindestens eine elastische Befestigungsklemme (22) umfasst.
  4. Uhr, die ein Teil für Uhrwerke nach einem der Ansprüche 1 oder 2 umfasst.
  5. Uhrwerk, das eine Werkplatte (1), einen Ankerkloben (2) und einen Unruhkloben (3) umfasst, auf denen eine Unruhwelle (5) beziehungsweise ein Anker (4) gedreht werden, wobei dieses Uhrwerk noch eine Unruh (6), eine Spiralfeder (7), die fest mit einer Spiralrolle (7.1) verbunden ist, eine große Hebelscheibe (9), die einen Stein (10) trägt, und eine kleine Hebelscheibe (8) umfasst, die mit einer Kerbe versehen ist; wobei das Uhrwerk ein Teil für Uhrwerke nach Anspruch 1 umfasst.
  6. Uhrwerk nach Anspruch 5, dadurch gekennzeichnet, dass der Mittelteil der einstückigen Baugruppe (7, 8, 9) eine kleine Hebelscheibe (8) bildet, die mit einem Sicherheitsstift (4.2) des Ankers (4) zusammenwirkt.
  7. Uhrwerk nach Anspruch 5, dadurch gekennzeichnet, dass der Mittelteil der einstückigen Baugruppe (7, 8, 9) eine große Hebelscheibe (9) bildet, die einen Stein (10) trägt, der mit einer Gabel (4.1) des Ankers (4) zusammenwirkt .
  8. Uhrwerk nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die einstückige Baugruppe (7, 8, 9) mindestens eine elastische Klemme (22) für ihre Befestigung auf der Unruhwelle (5) umfasst.
  9. Uhrwerk nach Anspruch 8, dadurch gekennzeichnet, dass die einstückige Baugruppe (7, 8, 9) zwei elastische Befestigungsklemmen (22, 23) umfasst.
  10. Uhrwerk nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass das äußere Ende (7.2) der Spiralfeder (7) starr an einem festen Teil (1, 2, 3) des Uhrwerks befestigt ist.
  11. Uhrwerk nach Anspruch 10, dadurch gekennzeichnet, dass das äußere Ende der Spiralfeder (7) auf der Werkplatte (1) befestigt ist.
  12. Uhrwerk nach Anspruch 11, dadurch gekennzeichnet, dass das äußere Ende der Spiralfeder (7) an einem Spiralklötzchen (12) befestigt ist, das in einer Sackbohrung (15) der Werkplatte (1) untergebracht ist.
  13. Uhrwerk nach Anspruch 10, dadurch gekennzeichnet, dass das äußere Ende der Spiralfeder (7) an einem Spiralklötzchen (12) befestigt ist, das in einer Durchgangsbohrung (20) des Ankerklobens (4) befestigt ist, und dass seine Endfläche gegen die Werkplatte (1) anstößt.
  14. Uhrwerk nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das äußere Ende der Spiralfeder (7) an einem Spiralklötzchen (12) befestigt ist, das in dem Unruhkloben (3) befestigt ist.
  15. Uhrwerk nach einem der Ansprüche 5 bis 14, dadurch gekennzeichnet, dass die Unruh (6) einen integrierenden Bestandteil der einstückigen Baugruppe (6, 7, 8, 9) bildet.
EP20110007420 2011-09-13 2011-09-13 Element für Uhrwerk, Uhrwerk und Uhr Active EP2570868B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20110007420 EP2570868B1 (de) 2011-09-13 2011-09-13 Element für Uhrwerk, Uhrwerk und Uhr
HK13103674.2A HK1176693A1 (en) 2011-09-13 2013-03-25 Part for a clockwork, clockwork and timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110007420 EP2570868B1 (de) 2011-09-13 2011-09-13 Element für Uhrwerk, Uhrwerk und Uhr

Publications (2)

Publication Number Publication Date
EP2570868A1 EP2570868A1 (de) 2013-03-20
EP2570868B1 true EP2570868B1 (de) 2014-09-03

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ID=44650866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110007420 Active EP2570868B1 (de) 2011-09-13 2011-09-13 Element für Uhrwerk, Uhrwerk und Uhr

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EP (1) EP2570868B1 (de)
HK (1) HK1176693A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2579105A3 (de) * 2011-10-07 2013-08-07 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Herstellungsverfahren eines Uhrwerks
JP6710041B2 (ja) 2014-11-27 2020-06-17 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ ヒゲゼンマイ固定システム
EP3182215A1 (de) 2015-12-14 2017-06-21 Novasort SA Schwingsystem für uhr
US20220390896A1 (en) 2021-06-03 2022-12-08 Rolex Sa Timepiece oscillator assembly device
WO2023066614A1 (fr) 2021-10-20 2023-04-27 Rolex Sa Procede de determination d'une valeur de repere et procede de reglage d'une valeur de repere

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR583885A (fr) * 1924-07-21 1925-01-23 Tavannes Watch Co Sa Assortiment à ancre
DE2410098C3 (de) * 1974-03-02 1979-07-26 Diehl Gmbh & Co, 8500 Nuernberg Zeitschalter
EP1431844A1 (de) * 2002-12-19 2004-06-23 SFT Services SA Vorrichtung für das Regelelement eines Uhrwerks
CH700805B1 (fr) 2005-10-25 2010-10-29 Patek Philippe Sa Geneve Dispositif régulateur pour pièce d'horlogerie et mouvement d'horlogerie comprenant un tel dispositif.
CH698876B1 (fr) 2006-05-17 2009-11-30 Patek Philippe Sa Ensemble spiral-virole pour mouvement d'horlogerie.
CH702156B1 (fr) 2009-11-13 2017-08-31 Nivarox Far Sa Résonateur balancier-spiral pour une pièce d'horlogerie.

Also Published As

Publication number Publication date
HK1176693A1 (en) 2013-08-02
EP2570868A1 (de) 2013-03-20

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