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EP1780611B1 - Reguliervorrichtung für Uhr - Google Patents

Reguliervorrichtung für Uhr Download PDF

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Publication number
EP1780611B1
EP1780611B1 EP20060021172 EP06021172A EP1780611B1 EP 1780611 B1 EP1780611 B1 EP 1780611B1 EP 20060021172 EP20060021172 EP 20060021172 EP 06021172 A EP06021172 A EP 06021172A EP 1780611 B1 EP1780611 B1 EP 1780611B1
Authority
EP
European Patent Office
Prior art keywords
outer end
balance spring
regulating device
clip
jaw
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
EP20060021172
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English (en)
French (fr)
Other versions
EP1780611A3 (de
EP1780611A2 (de
Inventor
Stéphane von Gunten
Frédéric Maier
Jean-Pierre Musy
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
Original Assignee
Patek Philippe SA Geneve
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Publication date
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Publication of EP1780611A2 publication Critical patent/EP1780611A2/de
Publication of EP1780611A3 publication Critical patent/EP1780611A3/de
Application granted granted Critical
Publication of EP1780611B1 publication Critical patent/EP1780611B1/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
    • G04B17/32—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
    • G04B17/066—Manufacture of the spiral spring

Definitions

  • the present invention relates to a timepiece control device, comprising a rocker and a spiral mounted on the axis of the balance.
  • the inner end of the hairspring is attached to a hoop driven on the axis of the balance beam, while the outer end of the hairspring is fixed to a fastening element, called "piton", independent of the rotation of the axis of the balance.
  • the outer end of the hairspring defines by its shape an elastic clamping member which receives and squeezes the bolt.
  • This method of attachment is particularly simple and also allows to easily adjust the height of the outer end of the spiral on the peak. He introduces nevertheless the disadvantage that the mechanical characteristics of the elastic clamping member depend on the characteristics of the material in which the hairspring is made, the elastic clamping member forming a single piece with the remainder of the hairspring. The clamping force exerted on the pin and / or the deformation of the elastic clamping member are therefore limited by the mechanical properties of the spiral material.
  • the hairspring is made of a material having a low or medium elastic limit, such as silicon, the clamping force exerted by its outer end on the peak will be limited for a given size.
  • US 224, 227 discloses a spring loaded elastically at its end by a clamp disposed axially.
  • the present invention aims to remedy this disadvantage and proposes to this fir a regulating device according to claim 1 attached, a movement according to claim 12 and a hairspring according to claim 13, particular embodiments being defined in the dependent claims.
  • a regulating device for a timepiece, such as a watch, comprises a rocker 1 and a spiral spring 2 driven on the axis of the balance 1 by means of a ferrule 3.
  • the spiral 2 is connected to the shell 3 by its inner end 4 and to a fastening element said "piton" 5 by its outer end 6.
  • the piton 5 shown in the drawings is a conventional peak, round neck. It is typically worn by a bolt carrier (not shown) adjustably mounted on the cock of the movement of the timepiece.
  • the outer end 6 of the hairspring 2 is rigid, by its greater width than that of the remainder of the blade forming the hairspring 2, and straight, and extends over a length L.
  • the fixing of the outer end 6 of the hairspring 2 to the peg 5 is effected by means of a gripper 7 secured to the peg 5 and at least one of the jaws 8, 9 is elastically deformable to allow receiving and pinching the outer end 6 of the spring 2 between the jaws 8, 9.
  • the clamp 7 is for example driven on the stud 5, and its jaws 8, 9 extend substantially in the longitudinal direction of the outer end 6 of the hairspring 2 and in the plane of the hairspring 2.
  • the jaw 9 closest to the axis of the balance 1 is elastically deformable, because of its small width, and the jaw 8 furthest the axis of the balance 1 is rigid.
  • the jaws 8, 9 are shaped to be in contact with the outer end 6 of the spiral 2 only at certain points.
  • the rigid jaw 8 comprises two protuberances 10, 11 on its inner face, one of which is defined by a bending of the free end of the jaw 8, protuberances which rest on the longitudinal face 12 of the outer end 6 of the spiral 2 farthest from the axis of the balance 1 and thus define two points of contact.
  • the elastic jaw 9 has on its inner face a protuberance 13 defined by a bending of the free end of the jaw 9, which protrusion rests on the longitudinal face 14 of the outer end 6 of the spiral 2 the least away from the axis of the balance 1 and thus defines a point of contact.
  • the arrangement of the protuberances 10, 11 and 13 is such that the point of contact defined by the protrusion 13 is situated, in the longitudinal direction of the outer end 6 of the spiral 2, between the contact points defined by the protuberances 10, 11 .
  • the elastic jaw 9 is further shaped so that the stresses exerted on it the outer end 6 of the spiral 2 are distributed substantially homogeneously.
  • the width of the elastic jaw 9 decreases from its end 13a close to the stud 5 at its free end 13, and the width of the end 13a is substantially equal to twice that of the free end 13.
  • the width is large which locally increases the strength of the jaw 9 and reduces the stress
  • the elastic jaw 9 is subjected to a stress of small intensity, namely at its free end 13, the width is small which promotes the deformation of the jaw 9. This allows to increase the clamping force and / or the deformation of the clip 7.
  • the outer end 6 of the hairspring 2 comprises on its longitudinal face 12 in contact with the rigid jaw 8 a projection 15 forming a stop which bears against the free end of the rigid jaw 8 in the longitudinal direction of the outer end 6 of the hairspring 2.
  • the end free 13 of the elastic jaw 9 cooperates with an inclined plane 16 of the longitudinal face 14 of the outer end 6 of the spiral 2.
  • the portions of the abutment 15 and the free end of the rigid jaw 8 which are in contact are respectively a flat face 15a of the abutment 15 perpendicular to the plane of the spiral 2 and a curved face 8a of the free end of the rigid jaw 8 perpendicular to the plane of the clamp 7.
  • a second inclined plane 17 is provided on the longitudinal face 14 of the outer end 6 of the hairspring 2, between the end 18 of the hairspring 2 and the inclined plane 16, to facilitate the introduction of the outer end 6 of the hairspring 2 into the clip 7.
  • the longitudinal face 14 of the outer end 6 of the spring 2 further comprises a projection 19 opposite the projection 15.
  • This projection 19 serves as an element prehensible, which can be grasped for example by tweezers to manipulate the outer end 6 of the hairspring 2 during assembly of the regulating device according to the invention in the movement.
  • a plate is fixed on one of the upper and lower faces of the clamp 7, or on each of these two faces, to close, in part at least, the opening of the clamp 7 on this or these faces.
  • the figure 3 represents an example of this embodiment variant, wherein such a plate 20 is fixed on the upper face of the clamp 7. This or these pads prevent, or at least reduce the risk, that the outer end 6 of the spiral 2 is moved vertically, that is to say parallel to the axis of the balance 1 and the pin 5, inadvertently during the assembly of the movement.
  • the fixing of the outer end 6 of the hairspring 2 to the peg 5 is very simple.
  • the outer end 6 of the hairspring 2 is inserted between the jaws 8, 9 of the gripper 7 longitudinally. At rest, the spacing of the jaws 8, 9 of the clamp 7 substantially corresponds to the width of the end 18 of the hairspring 2.
  • the free end 13 of the elastic jaw 9 cooperates initially with the inclined plane 17 of the outer end 6 of the hairspring 2, to move the elastic jaw 9 of the rigid jaw 8, then in a second step with the inclined plane 16 , which has the effect of abruptly bringing the elastic jaw 9 of the rigid jaw 8 in the manner of a clip.
  • the hairspring 2 is first fixed to the peg 5 by means of the clamp 7, which positions it, then driven on the axis of the balance 1 by means of the shell 3 .
  • the angle of the inclined plane 16 is chosen according to the desired locking force. A relatively small angle will make the connection between the clamp 7 and the outer end 6 of the hairspring 2 easily removable. A higher angle will increase the locking force.
  • the position of the clamp 7 on the latter can be easily changed to adjust the height position of the outer end 6 of the spiral 2 during assembly.
  • Another advantage of the invention is that the tightening characteristics of the outer end 6 of the hairspring 2 by the gripper 7 are precise and reproducible, thanks in particular to the particular shape of the jaws 8, 9 of the gripper 7 which define points. determined contact with the outer end 6 of the spiral 2.
  • the hairspring 2 has a definite active length, constituted by the length of the elastic part of the hairspring 2, that is to say the length of the remainder of the hairspring 2.
  • This active length is thus the same from one spiral to the other and is independent of the attachment of the spiral 2 to the clamp 7.
  • the gripper 7 may be made of a material different from that of the hairspring 2, and more particularly in a material specially chosen to obtain the desired mechanical characteristics for the gripper 7.
  • the clip 7 is made of a material having a high Young's modulus and elastic limit.
  • a high Young's modulus makes it possible to limit the spacing of the jaws 8, 9 necessary to obtain a determined clamping force, and thus to limit the bulk of the clamp 7, for a given geometry and dimensions of the clamp.
  • high elastic limit increases the stresses that can withstand the clamp 7, and therefore to increase the clamping force, for a given geometry and dimensions of the clamp 7.
  • An example of material satisfying these properties is steel Durnico.
  • the hairspring 2, itself, can be made of a material having a Young's modulus and / or a lower elastic limit, such as silicon.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Clamps And Clips (AREA)
  • Springs (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (13)

  1. Reguliervorrichtung für eine Uhr, die eine Unruh (1), eine Spiralfeder (2), die auf der Achse der Unruh (1) gelagert ist, ein Spiralklötzchen (5) und ein Mittel (7) zum Befestigen des äußeren Endes (6) der Spiralfeder (2) am Spiralklötzchen (5) umfasst, wobei das Befestigungsmittel ein elastisches Klemmbefestigungsorgan (7) umfasst, das fest mit dem Spiralklötzchen (5) verbunden und geeignet ist, das äußere Ende (6) der Spiralfeder (2) aufzunehmen und zu klemmen, dadurch gekennzeichnet, dass das elastische Klemmbefestigungsorgan (7) eine Klemme ist, deren Backen (8, 9) sich zwischen ihrem Ende in der Nähe des Spiralklötzchens (5) und ihrem freien Ende (13a) im Wesentlichen entlang der Längsrichtung des äußeren Endes (6) der Spiralfeder (2) erstrecken, wobei zumindest die eine der Backen (8, 9) elastisch verformbar ist.
  2. Reguliervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das elastische Klemmbefestigungsorgan (7) auf dem Spiralklötzchen (5) aufgepresst ist.
  3. Reguliervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das elastische Klemmbefestigungsorgan (7) angepasst ist, um das äußere Ende (6) der Spiralfeder (2) nur an bestimmten Punkten (10, 11, 13) zu berühren.
  4. Reguliervorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die oder zumindest die eine der elastischen Backen (9) eine wechselnde Breite aufweist, damit die Beanspruchungen, die das äußere Ende (6) der Spiralfeder (2) auf sie ausübt, auf im Wesentlichen gleichmäßige Weise verteilt sind.
  5. Reguliervorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die oder zumindest die eine der elastischen Backen (9) angepasst ist, um das äußere Ende (6) der Spiralfeder (2) nur an ihrem freien Ende (13) zu berühren, und dadurch, dass die Breite dieser elastischen Backe (9) von ihrem Ende (13a), das am nächsten am Spiralklötzchen (5) liegt, zu ihrem freien Ende (13) hin abnimmt.
  6. Reguliervorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass eine erste (9) der Backen der Klemme (7) angepasst ist, um mit einer geneigten Ebene (16) des äußeren Endes (6) der Spiralfeder (2) zusammenzuwirken, und eine zweite (8) der Backen der Klemme (7) angepasst ist, um mit einem Anschlag (15) des äußeren Endes (6) der Spiralfeder (2) zusammenzuwirken, wobei das Zusammenwirken der ersten Backe (9) und der geneigten Ebene (16) dazu neigt, den Anschlag (15) derart gegen die zweite Backe (8) zu halten, dass die Längsstellung des äußeren Endes (6) der Spiralfeder (2) in der Klemme (7) gesperrt ist.
  7. Reguliervorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die erste Backe (9) der Klemme (7) elastisch verformbar ist und die zweite Backe (8) der Klemme (7) im Wesentlichen starr ist.
  8. Reguliervorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass sie ferner mindestens ein Plättchen (20) umfasst, das an einer Seite der Klemme (7) befestigt ist und die Öffnung der Klemme (7) auf dieser Seite zumindest teilweise schließt.
  9. Reguliervorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das äußere Ende (6) der Spiralfeder (2) aufgrund der Tatsache, dass seine Breite größer ist als diejenige des Rests des Blatts, das die Spiralfeder (2) bildet, im Wesentlichen starr ist.
  10. Reguliervorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das elastische Klemmbefestigungsorgan (7) aus einem Material ausgeführt ist, das ein Elastizitätsmodul und/oder eine Elastizitätsgrenze aufweist, die höher sind als diejenigen des Materials, aus dem die Spiralfeder (2) ausgeführt ist.
  11. Uhrwerk, das eine Reguliervorrichtung nach einem der Ansprüche 1 bis 10 umfasst.
  12. Uhrspiralfeder für eine Reguliervorrichtung nach Anspruch 6 oder Anspruch 9, wenn er vom Anspruch 6 abhängig ist, dadurch gekennzeichnet, dass das äußere Ende (6) der Spiralfeder (2) eine geneigte Ebene (16), die angepasst ist, um mit einer ersten der Backen der Klemme (7) zusammenzuwirken, und einen Anschlag (15) aufweist, der angepasst ist, um mit einer zweiten (8) der Backen der Klemme (7) zusammenzuwirken, damit das Zusammenwirken der ersten Backe (9) und der geneigten Ebene (16) dazu neigt, den Anschlag (15) derart gegen die zweite Backe (8) zu halten, dass die Längsstellung des äußeren Endes (6) der Spiralfeder (2) in der Klemme (7) gesperrt ist.
  13. Uhrspiralfeder nach Anspruch 12, dadurch gekennzeichnet, dass ihr äußeres Ende (6) aufgrund der Tatsache, dass seine Breite größer ist als diejenige des Rests des Blatts, das die Spiralfeder (2) bildet, im Wesentlichen starr ist.
EP20060021172 2005-10-25 2006-10-10 Reguliervorrichtung für Uhr Active EP1780611B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH17112005A CH700805B1 (fr) 2005-10-25 2005-10-25 Dispositif régulateur pour pièce d'horlogerie et mouvement d'horlogerie comprenant un tel dispositif.

Publications (3)

Publication Number Publication Date
EP1780611A2 EP1780611A2 (de) 2007-05-02
EP1780611A3 EP1780611A3 (de) 2011-01-05
EP1780611B1 true EP1780611B1 (de) 2012-09-05

Family

ID=37259857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060021172 Active EP1780611B1 (de) 2005-10-25 2006-10-10 Reguliervorrichtung für Uhr

Country Status (3)

Country Link
EP (1) EP1780611B1 (de)
CH (1) CH700805B1 (de)
HK (1) HK1099088A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2570868B1 (de) 2011-09-13 2014-09-03 Patek Philippe SA Genève Element für Uhrwerk, Uhrwerk und Uhr
EP2570871B1 (de) 2011-09-14 2014-03-19 Montres Breguet SA Spirale mit zwei Spiralfedern
EP2570864B1 (de) * 2011-09-15 2018-11-14 Blancpain S.A. Uhren-Federgehäuse mit reduziertem Durchmesser
CH706424B1 (fr) * 2012-04-20 2015-09-30 Nivarox Sa Procédé de solidarisation de deux pièces en silicium cristallin.
JP6991154B2 (ja) 2016-03-23 2022-01-12 パテック フィリップ ソシエテ アノニム ジュネーブ 時計用のテンプ－ヒゲゼンマイ振動子
EP3452874B1 (de) 2016-05-02 2020-06-10 Patek Philippe SA Genève Spiralfeder einer uhr
EP3913441B1 (de) 2020-05-22 2024-05-01 Patek Philippe SA Genève Oszillator für eine uhr
EP4006648A1 (de) * 2020-11-27 2022-06-01 Omega SA Spiralfeder für resonatormechanismus eines uhrwerks, der mit mitteln zur regulierung der effektiven länge dieser spiralfeder ausgestattet ist
EP4394523A1 (de) * 2022-12-27 2024-07-03 ETA SA Manufacture Horlogère Suisse Teil zur befestigung einer der letzten windungen an der aussenseite einer spiralfeder einer uhrwerke
CH720429A1 (fr) * 2023-01-12 2024-07-31 Vaucher Mft Fleurier S A Ensemble piton-spiral pour mouvement d'horlogerie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US224227A (en) * 1879-12-11 1880-02-03 Hair-spring stud for watches
US1037741A (en) * 1911-04-19 1912-09-03 Hamilton Watch Co Balance-cock.
US1037742A (en) * 1911-04-19 1912-09-03 Hamilton Watch Co Hair-spring-stud-holding means.
CH259873A (fr) * 1947-05-03 1949-02-15 Ruefli Staempfli Arnold Piton fixe-spiral.
FR1380913A (fr) * 1964-01-18 1964-12-04 Perfectionnements apportés aux dispositifs pour le montage et le réglage de l'extrémité extérieure de ressorts en spirale

Also Published As

Publication number Publication date
EP1780611A3 (de) 2011-01-05
CH700805B1 (fr) 2010-10-29
HK1099088A1 (en) 2007-08-03
EP1780611A2 (de) 2007-05-02

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