EP2570871A1 - Spirale mit zwei Spiralfedern - Google Patents

Spirale mit zwei Spiralfedern Download PDF

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Publication number
EP2570871A1
EP2570871A1 EP11181307A EP11181307A EP2570871A1 EP 2570871 A1 EP2570871 A1 EP 2570871A1 EP 11181307 A EP11181307 A EP 11181307A EP 11181307 A EP11181307 A EP 11181307A EP 2570871 A1 EP2570871 A1 EP 2570871A1
Authority
EP
European Patent Office
Prior art keywords
spiral
bridge
movement
stud
spiral 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.)
Granted
Application number
EP11181307A
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English (en)
French (fr)
Other versions
EP2570871B1 (de
Inventor
Jean-Philippe Rochat
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP20110181307 priority Critical patent/EP2570871B1/de
Priority to US13/609,858 priority patent/US8979359B2/en
Priority to RU2012139263/28A priority patent/RU2012139263A/ru
Priority to JP2012202313A priority patent/JP5486058B2/ja
Priority to CN201210342803.6A priority patent/CN102998961B/zh
Publication of EP2570871A1 publication Critical patent/EP2570871A1/de
Priority to HK13110947.8A priority patent/HK1183525A1/xx
Application granted granted Critical
Publication of EP2570871B1 publication Critical patent/EP2570871B1/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
    • 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

Definitions

  • the invention relates to a spiral for balance-balance resonator and more particularly to such a spiral comprising two spiral springs.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing a spiral with two spiral springs comprising a piton offset device.
  • the invention relates to a spiral comprising a first spiral spring whose inner coil comprises a ferrule arranged to be mounted on an axis, a second spiral spring connected to the outer coil of the first spiral spring by a curve elevation device characterized in that the inner coil of the second spiral spring comprises a pitonnage offset device comprising a free end arranged to attach to a stud in the plane of said second spiral spring.
  • the hairspring will be pitoned between two of its turns without touching them during its development, that is to say also during the phases of contraction and relaxation.
  • the invention also relates to a movement comprising a balance-spring resonator comprising a rocker adjusted to rotate on an axis mounted between a plate and a bridge, characterized in that it comprises a pitonnage system intended to cooperate with said free end of spiral according to one of the preceding variants using a pin connecting said spiral said bridge.
  • a first embodiment of a movement 1 according to the invention is presented to Figures 1 and 2 .
  • the movement 1 according to the invention is intended to be mounted preferentially in a timepiece (not shown).
  • the movement 1 preferably a watchmaker, comprises a resonator 3 of the balance-type 5 - spiral 7.
  • the movement 1 comprises a rocker 5 adjusted to rotate on an axis 2 mounted between a plate (not shown) and a bridge 4.
  • the balance 5 is of the variable inertia type. It is obvious that other types of balance can be used.
  • the movement 1 further comprises a stud 9 system intended to cooperate with a free end 6 of the spiral 7 with a pin 8 connecting the spiral 7 to the bridge 4.
  • the spiral 7 comprises a first spiral spring 11 whose inner coil comprises a ferrule 10 arranged to be mounted on the axis 2 and a second spiral spring 13 connected to the outer coil of the first spiral spring 11 by a device with elevation of curve 15.
  • the device with elevation of curve 15 between the spiral springs 11 and 13 is preferably that disclosed in the document CH 0795/10 in the name of the Claimant.
  • the spiral 7 follows, preferably, the teaching of the document CH 1144/10 also in the name of the Applicant and is therefore preferably manufactured from silicon.
  • the documents CH 0795/10 and CH 1144/10 are incorporated by reference in this application.
  • the inner coil of the second spiral spring 13 preferably comprises a shifter 17 of the pitcher point of the free end 6 arranged to attach to a peg 8 in the plane of the second spiral spring 13
  • the shifting device 17 is particularly useful for preventing particular shapes of the hairspring 7 from making it impossible to mount because of the proximity of its free end 6 to the axis 2.
  • the shifting device 17 comprises a part 12 in extension of the inner turn of the second spiral spring 13.
  • the piece 12 is more rigid than the second spiral spring 13 so as not to provide an elastic torque to the resonator 3.
  • the part 12 is preferably made more rigid by a greater thickness, such as for example at least three times greater, with respect to the thickness of the second spiral spring 13, that is to say the width of its blade. It is therefore understood that the shape of the part 12 is partly adapted according to the curvature of the turns of the second spiral spring 13 so that no contact takes place.
  • the piece 12 be integral with the second spiral spring 13 and, preferably, that the latter comprises a height substantially equal to that of the piece 12, it is to say that the latter is contained in the same plane.
  • the extension piece 12 is furthermore preferably connected to the inner turn of the second spiral spring 13 by means of a substantially U-shaped bend 14 in order to further limit the supply of any elastic couple. It is understood that the extension piece 12 and the elbow 14 can virtually bring the fixed point formed by the bridge 4 to the free end 6 of the spiral 7.
  • the piece 12 comprises a recess 16, blind or through, of substantially rectangular section and intended to cooperate with the pitting system 9 and, more precisely, the stud 8.
  • the pitting system 9 preferably comprises an adjusting device 19 of the stud 8 mounted between said pin and the bridge 4 to make its positioning adjustable.
  • the adjustment device 19 comprises, preferably, locking means 18 of the pin 8 and fixing means 20 to the bridge 4.
  • the locking means 18 comprise a portion 22 holding one end of the pin 8 against said fixing means 20 (in the example of FIG. figure 1 , the clip 21) in order to tighten the pin 8.
  • the end of the stud 8 is L-shaped and is locked in a groove of the fastener 21 by covering the part 22 which is tightened by screwing against the fastener 21.
  • the fixing means 20 comprise, preferably, the fastener 21 intended to be locked by screwing against the bridge 4 in order to selectively adjust the position of the stud 8 with respect to the bridge 4. This is made possible by the oblong hole 23 performed in the fastener 21 in which is received the rod of the screw 24 which cooperates with the bridge 4. It is therefore understood that the fastener 21 can be locked in several positions by sliding of the rod of the screw 24 in the hole 23 before screwing.
  • the fastener 21 has a recess 25 intended to slide against a cylindrical body 26 of circular section of the bridge 4 in order to modify the position of the stud 8 concentrically to the axis 2.
  • the cylindrical body 26 is a part of the shock absorbing bearing of the movement 1.
  • the shock absorbing bearing is that disclosed in the document CH 0720/05 on behalf of the Applicant and incorporated by reference in this application.
  • the movement 1, according to the first embodiment comprises a double spiral 7 secured to the bridge 4 by the stud system 9 by allowing a preferentially concentric adjustment of the position of the stud 8 with respect to the axis 2.
  • a second embodiment of a movement 31 according to the invention is presented to Figures 3 to 6 .
  • the movement 31 according to the invention is intended to be mounted preferentially in a timepiece (not shown).
  • the movement 31, preferably a clockmaker, comprises a resonator 33 of the balance-spring type 37.
  • the movement 31 comprises a rocker 35 fitted to rotate on an axis 32 mounted between a plate 34 'and a bridge 34.
  • the balance 35 is of the variable inertia type. It is obvious that other types of balance can be used.
  • the movement 31 further comprises a stud system 39 intended to cooperate with a free end 36 of the spiral 37 by means of a stud 38 connecting the spiral 37 to the bridge 34.
  • the spiral 37 comprises a first spiral spring 41 whose inner coil comprises a ferrule 40 arranged to be mounted on the axis 32 and a second spiral spring 43 connected to the outer coil of the first spiral spring. 41 by an elevation device 45.
  • the elevation device 45 between the spiral springs 41 and 43 is preferably that disclosed in the document CH 0795/10 in the name of the Claimant.
  • the spiral 37 follows, preferably, the teaching of the document CH 1144/10 also in the name of the Applicant and is therefore preferably manufactured from silicon.
  • the documents CH 0795/10 and CH 1144/10 are incorporated by reference in this application.
  • the inner turn of the second spiral spring 43 preferably comprises a shifter 47 of the pitcher point of the free end 36 arranged to attach to a peg 38 in the plane of the second spiral spring 43 which is comparable to that of the first embodiment.
  • the shifter 47 is particularly useful to prevent particular shapes of the spiral 37 make it impossible to mount because of the proximity of its free end 36 with respect to the axis 32.
  • the shifting device 37 comprises a piece 42 extending from the inner turn of the second hairspring 43.
  • the piece 42 is more rigid than the second hairspring 43 so as not to provide an elastic torque to the resonator 33.
  • the piece 42 is preferably made more rigid by a greater thickness, such as for example at least three times greater, relative to the thickness of the second spiral spring 43, that is to say the width of its blade. It is therefore understood that the shape of the part 42 is partly adapted according to the curvature of the turns of the second spiral spring 43 so that no contact takes place.
  • the piece 42 is integral with the second spiral spring 43 and, preferably, the latter comprises a height substantially equal to that of the piece 42, that is to say that the latter is contained in the same plane.
  • the extension piece 42 is advantageously perforated to reduce its mass without decreasing its rigidity.
  • the extension piece 42 is furthermore preferably connected to the inner turn of the second spiral spring 43 by means of a substantially U-shaped bend 44 in order to further limit the supply of any elastic torque with the same advantages as for the first embodiment.
  • the piece 42 comprises a recess, blind or through, of substantially circular section and intended to cooperate with the pitting system 39 and, more specifically, the stud 38.
  • the pitting system 39 preferably comprises an adjustment device 49 of the stud 38 mounted between said stud and the bridge 34 to make the positioning of the stud 38 adjustable.
  • the adjustment device 49 preferably comprises pinch means 48 of the stud 38. and fixing means 50 to the bridge 34.
  • the clamping means 48 comprise an elastic clamp 52 controlled by an eccentric 53 with a cam so as to selectively tighten the stud 38.
  • the clamp 52 is formed by a fixed portion 54 with respect to the fastening means 50 and, more particularly, to the fastener 51 and includes a hole 59 intended to receive the shaft 32 without contact.
  • the clamp 52 also comprises a movable part 56 connected to the fixed part 54 in an elastic manner and controlled by the eccentric 53. It is thus clear that, in the view of the figure 5 , the clamping means 48 are in the position where the eccentric 53 induces the maximum force, which consequently has to frictionally grip the stud 38 by preventing it from imparting a relative movement with respect to the clamping means 48.
  • the contact surfaces between the clamping means 48 and the pin 38 may be modified, such as grooved and / or grooved, to further limit said relative movement.
  • the fastening means 50 preferably comprise a fastener 51 intended to cooperate with friction against the bridge 34 in order to be able to adjust the position of the stud 38 with respect to the bridge 34.
  • the fastener 51 forms two arms 55, 57 substantially annular for attaching against a cylindrical body 58 of circular section of the bridge 34 to change the position of the stud 38 concentrically to the axis 32. It is therefore clear that the fastener 51 can be locked in several positions by moving each arm 55, 57 against the body 58.
  • the cylindrical body 58 is a part of the shock-absorbing bearing of the movement 31.
  • the shock-absorbing bearing is the one disclosed in the document CH 0720/05 on behalf of the Applicant and incorporated by reference in this application.
  • the movement 31 according to the second embodiment embodiment comprises a double spiral 37 secured to the bridge 34 by the stud system 39 by allowing a preferentially concentric adjustment of the position of the stud 38 relative to the axis 32.
  • the second embodiment also makes it possible to leave the resonator 33 more accessible and more visible.
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • the part 12 can be partially perforated to reduce its mass as for the part 42.
  • a more rigid part exists between the ferrule 10, 40 and the first spiral spring 11, 41 to optimize the development of the spiral 7.37.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Clamps And Clips (AREA)
EP20110181307 2011-09-14 2011-09-14 Spirale mit zwei Spiralfedern Active EP2570871B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP20110181307 EP2570871B1 (de) 2011-09-14 2011-09-14 Spirale mit zwei Spiralfedern
US13/609,858 US8979359B2 (en) 2011-09-14 2012-09-11 Balance spring with two hairsprings
RU2012139263/28A RU2012139263A (ru) 2011-09-14 2012-09-13 Балансирная пружина, состоящая из двух волосковых пружин
JP2012202313A JP5486058B2 (ja) 2011-09-14 2012-09-14 ２つのヒゲゼンマイを有するテンプばね
CN201210342803.6A CN102998961B (zh) 2011-09-14 2012-09-14 具有两根细弹簧的游丝
HK13110947.8A HK1183525A1 (en) 2011-09-14 2013-09-25 Balance spring with two hairsprings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110181307 EP2570871B1 (de) 2011-09-14 2011-09-14 Spirale mit zwei Spiralfedern

Publications (2)

Publication Number Publication Date
EP2570871A1 true EP2570871A1 (de) 2013-03-20
EP2570871B1 EP2570871B1 (de) 2014-03-19

Family

ID=44800954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110181307 Active EP2570871B1 (de) 2011-09-14 2011-09-14 Spirale mit zwei Spiralfedern

Country Status (6)

Country Link
US (1) US8979359B2 (de)
EP (1) EP2570871B1 (de)
JP (1) JP5486058B2 (de)
CN (1) CN102998961B (de)
HK (1) HK1183525A1 (de)
RU (1) RU2012139263A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2887154A1 (de) * 2013-12-20 2015-06-24 Blancpain SA. Befestigungsmechanismus eines Spiralklötzchen an eine Unruhbrücke, und Reguliervorrichtung mit Unruh-Spiralfeder, die einen solchen Mechanismus umfasst

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2423764B1 (de) * 2010-08-31 2013-03-27 Rolex S.A. Vorrichtung zum Messen des Drehmomentes einer Spirale
CH707811A2 (fr) * 2013-03-19 2014-09-30 Nivarox Sa Composant monobloc indémontable d'horlogerie.
EP2781967B1 (de) * 2013-03-19 2018-07-04 Nivarox-FAR S.A. Spiralfeder einer Uhr
CH707808B1 (fr) * 2013-03-19 2017-05-15 Nivarox Far Sa Cassette de mécanisme d'horlogerie.
CH707814A2 (fr) * 2013-03-19 2014-09-30 Nivarox Sa Mécanisme de réglage de spiral d'horlogerie.
EP2790067A1 (de) * 2013-04-12 2014-10-15 Montres Breguet SA Hemmungssystem für einen Spiralunruh-Schwinger
EP2876504B1 (de) * 2013-11-20 2017-07-26 ETA SA Manufacture Horlogère Suisse Schraubenloser Spiralklötzchen-Träger für Uhr
EP2908185B1 (de) * 2014-02-17 2017-09-13 The Swatch Group Research and Development Ltd. Wartungs- und Regulierungsgerät eines Uhrenresonators
EP2908188B1 (de) * 2014-02-17 2018-06-27 The Swatch Group Research and Development Ltd. Regulierung eines resonators einer uhr durch einwirkung auf die steifheit eines elastischen rückstellmittels
EP3179315B1 (de) * 2015-12-11 2019-03-27 ETA SA Manufacture Horlogère Suisse Spiralklötzchenträger mit gesicherter montage
EP3179314B1 (de) * 2015-12-11 2018-11-14 ETA SA Manufacture Horlogère Suisse Spiralklötzchenträger mit vereinfachter montage
EP3992730A1 (de) * 2020-10-29 2022-05-04 The Swatch Group Research and Development Ltd Flexible führung mit regulierbarem verschiebetisch für einen rotierenden resonatormechanismus, insbesondere eines uhrwerks

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH76336A (fr) * 1917-07-16 1917-12-01 Edouard Glauser Dispositif de fixation de piton porte-spiral
CH347769A (fr) * 1959-03-20 1960-07-15 Vuilleumier Marcel Raquetterie pour pièce d'horlogerie à balancier et spiral
FR2136084A5 (de) * 1971-04-02 1972-12-22 Haas Carl Firme
EP1116954A2 (de) 2000-01-12 2001-07-18 Hübner Elektromaschinen AG Elektronischer Umdrehungszähler
EP1780611A2 (de) * 2005-10-25 2007-05-02 Patek Philippe Sa Reguliervorrichtung für Uhr
EP1798609A2 (de) * 2005-12-14 2007-06-20 Patek Philippe Sa Mechanische Vorrichtung zur Einstellung der Hemmung eines Regulierorgans
EP1850193A1 (de) * 2006-04-28 2007-10-31 Patek Philippe Sa Verfahren zur Einpressung eines Teils in ein anderes Teil
EP2105807A1 (de) * 2008-03-28 2009-09-30 Nivarox-FAR S.A. Monoblockspirale zur Erhöhung der kurve und ihr Herstellungsverfahren
EP2405312A1 (de) * 2010-07-09 2012-01-11 Montres Breguet S.A. Spiralfeder für Unruh mit zwei Stufen und unbeweglichem Massenzentrum

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1311501A (en) * 1916-01-24 1919-07-29 Frederic Ecaubert Hair-spring and balance mounting.
CH381160A (fr) * 1962-03-31 1964-03-31 Bueren Watch Company S A Dispositif de raquetterie pour mouvement d'horlogerie
EP1437634A1 (de) * 2002-12-19 2004-07-14 Glashütter Uhrenbetrieb GmbH Feinregulierungsvorrichtung für eine Unruh-Spiralfeder
EP1473604B1 (de) * 2003-04-29 2010-06-23 Patek Philippe SA Genève Unruh- und fläche Spiralfederregulator für Uhrwerk
DE10345918A1 (de) * 2003-10-02 2005-05-12 Lange Uhren Gmbh Schwingsystem
DE602004026849D1 (de) * 2004-07-02 2010-06-10 Nivarox Sa Spiralfeder mit modifizierter Aussenkurve
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
CH700059A2 (fr) * 2008-12-15 2010-06-15 Montres Breguet Sa Spiral à élévation de courbe en matériau à base de silicium.
JP5764652B2 (ja) * 2010-04-21 2015-08-19 ティーム・スマールトフィシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 時計仕掛用制御機構及びそれに対応する方法
EP2397919B1 (de) * 2010-06-21 2017-11-08 Montres Breguet SA Herstellungsverfahren einer Spiralfederanordnung einer Uhr aus mikro-bearbeitbarem Material oder Silizium
EP2474871B1 (de) * 2011-01-06 2017-05-10 ETA SA Manufacture Horlogère Suisse Rückerstifte für Unruh-Spiralfeder

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH76336A (fr) * 1917-07-16 1917-12-01 Edouard Glauser Dispositif de fixation de piton porte-spiral
CH347769A (fr) * 1959-03-20 1960-07-15 Vuilleumier Marcel Raquetterie pour pièce d'horlogerie à balancier et spiral
FR2136084A5 (de) * 1971-04-02 1972-12-22 Haas Carl Firme
EP1116954A2 (de) 2000-01-12 2001-07-18 Hübner Elektromaschinen AG Elektronischer Umdrehungszähler
EP1780611A2 (de) * 2005-10-25 2007-05-02 Patek Philippe Sa Reguliervorrichtung für Uhr
EP1798609A2 (de) * 2005-12-14 2007-06-20 Patek Philippe Sa Mechanische Vorrichtung zur Einstellung der Hemmung eines Regulierorgans
EP1850193A1 (de) * 2006-04-28 2007-10-31 Patek Philippe Sa Verfahren zur Einpressung eines Teils in ein anderes Teil
EP2105807A1 (de) * 2008-03-28 2009-09-30 Nivarox-FAR S.A. Monoblockspirale zur Erhöhung der kurve und ihr Herstellungsverfahren
EP2405312A1 (de) * 2010-07-09 2012-01-11 Montres Breguet S.A. Spiralfeder für Unruh mit zwei Stufen und unbeweglichem Massenzentrum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2887154A1 (de) * 2013-12-20 2015-06-24 Blancpain SA. Befestigungsmechanismus eines Spiralklötzchen an eine Unruhbrücke, und Reguliervorrichtung mit Unruh-Spiralfeder, die einen solchen Mechanismus umfasst
US9122246B2 (en) 2013-12-20 2015-09-01 Blancpain Sa Mechanism for securing a balance spring stud to a balance bridge and sprung balance regulating device including such a mechanism

Also Published As

Publication number Publication date
JP2013061340A (ja) 2013-04-04
CN102998961B (zh) 2015-06-10
JP5486058B2 (ja) 2014-05-07
EP2570871B1 (de) 2014-03-19
US20130064046A1 (en) 2013-03-14
US8979359B2 (en) 2015-03-17
CN102998961A (zh) 2013-03-27
RU2012139263A (ru) 2014-03-20
HK1183525A1 (en) 2013-12-27

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