EP2990882B1 - Unruh mit Trägheitsregulierung - Google Patents

Unruh mit Trägheitsregulierung Download PDF

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Publication number
EP2990882B1
EP2990882B1 EP14182343.5A EP14182343A EP2990882B1 EP 2990882 B1 EP2990882 B1 EP 2990882B1 EP 14182343 A EP14182343 A EP 14182343A EP 2990882 B1 EP2990882 B1 EP 2990882B1
Authority
EP
European Patent Office
Prior art keywords
balance
inertia
block
arm
plane
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
EP14182343.5A
Other languages
English (en)
French (fr)
Other versions
EP2990882A1 (de
Inventor
Emmanuel Graf
Marc Stranczl
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.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox 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 Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to EP14182343.5A priority Critical patent/EP2990882B1/de
Priority to US14/828,709 priority patent/US9547278B2/en
Priority to JP2015163495A priority patent/JP6086961B2/ja
Priority to CN201510526600.6A priority patent/CN105388743B/zh
Priority to RU2015136080A priority patent/RU2693519C2/ru
Publication of EP2990882A1 publication Critical patent/EP2990882A1/de
Priority to HK16110592.3A priority patent/HK1222460A1/zh
Application granted granted Critical
Publication of EP2990882B1 publication Critical patent/EP2990882B1/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
    • 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
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/006—Mechanisms for setting frequency by adjusting the devices fixed on the balance

Definitions

  • the invention relates to a balance wheel with inertia adjustment having means for adjusting the inertia.
  • the invention also relates to a timepiece movement comprising such a system as well as a timepiece equipped with such a movement.
  • the balance has two arms each comprising a housing for receiving and pinching in position a rod of a counterweight, the head of the counterweight resting against the face
  • the pendulum described above has several drawbacks. First of all, it should be mentioned that access to the flyweights can be difficult depending on the architecture of the movement and make the adjustment of the inertia complicated, which can lead to an increase in the adjustment costs. In addition, such a balance is relatively bulky, the head of the weights resting in the recess of the balance, which can lead to an increase in the thickness of the movement.
  • the invention particularly aims to overcome the various drawbacks of these known techniques.
  • an objective of the invention is to provide a balance wheel with inertia adjustment making it possible to obtain a compact watch movement.
  • the invention also aims, at least in one particular embodiment, to provide a balance wheel with inertia adjustment which is simple to implement and inexpensive to produce.
  • a balance wheel with inertia adjustment for a timepiece, comprising a hub defining the axis of pivoting of said balance, a serge, a veil extending between a lower plane and an upper plane on either side of a median plane, said veil comprising at least one arm connecting said serge to said hub, said at least one arm comprising a housing configured to receive and hold in place at least one counterweight, said at least one counterweight having a front face and a rear face
  • said at least one counterweight is integrated in said arm of said pendulum, and said at least one counterweight comprises upper wings and lower wings intended to bear on either side of said arm respectively at the level of the lower plane and from the upper plane to hold said at least one counterweight axially in place.
  • the invention also relates to a balance wheel with inertia adjustment, for a timepiece, comprising a hub defining the pivot axis of said balance wheel, a twill, a web extending between a lower plane and an upper plane on the one hand and on the other from a median plane, said web comprising at least one arm connecting said serge to said hub, said at least one arm comprising a housing configured to receive and hold in place at least one counterweight, said at least one counterweight having a front face and a rear face, and being of cylindrical shape whose said faces form the bases of the cylinder, said at least one counterweight being integrated in said arm of said balance, so that said front face and rear face are substantially in said upper plane and said lower plane.
  • the invention also relates to a timepiece movement comprising a balance according to the invention.
  • the invention also relates to a timepiece comprising a timepiece movement according to the invention.
  • the object of the present invention by its various functional and structural aspects described above, makes it possible to obtain a relatively compact balance wheel with inertia adjustment.
  • a timepiece movement according to an exemplary embodiment will now be described in the following, referring jointly to figures 1, 2 , 3 and 4 .
  • the invention thus relates to a balance 1 with inertia adjustment, for a timepiece, comprising a hub 4 defining the pivot axis A of the balance 1, a clamp 10, a web 11 extending between a lower plane Pi and an upper plane Ps on either side of a median plane Pm, the web 11 comprising at least one arm 2 connecting the serge 10 to the hub 4, the at least one arm 2 comprising a housing 3 configured to receive and keep at least one counterweight in place 5.
  • the balance has a front face 12 having a recess 14 and a rear face 13 which can also be recessed.
  • the height of the twill 10 can be identical to the web 11, in this case the balance 1 does not have any drowning which makes it possible to obtain the most compact balance possible.
  • the pendulum 1 comprises four arms, forming a hub 4 at their intersection, the hub 4 being provided with an orifice 40 intended to receive a pendulum axis 41, the web 11 thus being formed by the four arms and the hub 4.
  • the serge 10 is circular in shape and has no projecting part, like the arms 2, so that the balance 1 is as compact as possible.
  • the counterweight 5 is of cylindrical shape and comprises a front face 52 and a rear face 53 and can have, according to one embodiment of the invention, upper 54 and lower 55 wings.
  • each counterweight 5 is pinched in a housing 3 in a service position where a median plane which it comprises coincides with the median plane Pm of the web 11.
  • the balance 1 comprises rigid parts constituted by the hub 4, the clamp 10, and the arms 2 connecting the clamp 10 to the hub 4.
  • the housing 3 is delimited, on the one hand by a rigid part of the balance 1, and on the other hand an elastically deformable arm 20.
  • the stick 10 of the pendulum is of the same thickness as the arms 2 of the stick 1 and is thus merged with the arms 2 of the stick, the arms 2 and the stick 10 then forming a planar element.
  • the housing 3 is delimited by a rigid part of the arm 2, and by an elastic part 20 secured to a rigid part of the arm 2, the elastic part 20 being permanently biased towards the rigid part of the arm 2 delimiting the housing 3 .
  • the arm 2 has, in the extension of the housing 3, a recess 21 intended to facilitate the deformation of the elastic part 20.
  • the housing 3 is substantially of the same shape as the counterweight 5. This embodiment is particularly advantageous since it allows the thickness of the balance 1 to be limited once the weights 5 are mounted on the balance 1.
  • the elastic part 20 extends in the median plane Pm of the web, the arm 2 having a recess 21 facilitating the deformation of the elastic part 20.
  • the pendulum 1 also comprises weights 5 for adjustment in the form of a cylinder, the weights 5 being provided with an opening 50 in the shape of a half-moon, or any other shape, and drive means 51 such as a notch adjustment or any other means known to those skilled in the art for adjusting the position of the counterweight 5.
  • the housing 3 and the elastic part 20 of shape complementary to the counterweight 5 comprise stops 30 near the upper and lower edges of the housing 3 respectively at the upper plane Ps and the lower plane Pi to hold the counterweight 5 in place according to the median plane Pm in the housing 3 while leaving it free to rotate.
  • Such housings 3 make it possible to have weights 5 fully embedded in the arms 2 of the pendulum 1.
  • the weights 5 are pinched in the housings 3 and are thus held by friction in their position under the effect of the elasticity of the elastic arm 20.
  • the counterweight 5 comprises upper and lower wings intended to bear on either side of the arm 2, and more precisely on either side of the housing 3, respectively at the lower plane Pi and the upper plane Ps so as to maintain the counterweight 5 in the housing 3 while leaving it free to rotate in the said housing 3.
  • the counterweight 5 is integrated in the arm 2 of the pendulum 1 so that the front and rear faces are substantially in the upper plane Ps and the lower plane Pi.
  • substantially it is meant that the front faces 52 and rear 53 are set back from 0 ⁇ m to 1 mm relative to the upper plane Ps and to the lower plane Pi in the first embodiment and that the upper and lower wings of the counterweight 5 are projecting up to 0.6 mm relative to the upper plane Ps and in the lower plane Pi in the second embodiment.
  • Such a pendulum 1 according to the invention makes it possible in particular to mount the weights 5 on the arms 2 of the pendulum 1 whatever the direction of mounting of the latter.
  • a person skilled in the art will choose the direction of mounting of the weights 5 on the balance wheel 1 according to the ease of access to the weights 5 once the balance wheel 1 is mounted in a movement.
  • the invention also relates to a watch movement and a timepiece equipped with a balance according to the invention.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Claims (13)

  1. Unruh (1) mit Trägheitsregulierung für eine Uhr, umfassend eine Nabe (4), die die Schwenkachse (A) der Unruh (1) definiert, einen Unruhreif (10) und eine Schale (11), die sich zwischen einer unteren Ebene (Pi) und einer oberen Ebene (Ps) beiderseits einer mittleren Ebene (Pm) erstreckt, wobei die Schale (11) mindestens einen Arm (2), der den Unruhreif (10) mit der Nabe (4) verbindet, umfasst, und der mindestens eine Arm (2) eine Aufnahme (3) aufweist, die konfiguriert ist, um mindestens ein Fliehgewicht (5) aufzunehmen und in Position zu halten,
    wobei das mindestens eine Fliehgewicht (5) eine Vorderseite (52) und eine Rückseite (53) aufweist, dadurch gekennzeichnet, dass das mindestens eine Fliehgewicht in den Arm (2) der Unruh (1) integriert ist und dass das mindestens eine Fliehgewicht (5) obere Flügel (54) und untere Flügel (55) aufweist, die dazu vorgesehen sind, sich beiderseits des Arms (2) auf Höhe der unteren Ebene (Pi) bzw. der oberen Ebene (Ps) abzustützen, um das mindestens eine Fliehgewicht (5) axial in Position zu halten.
  2. Unruh (1) mit Trägheitsregulierung für eine Uhr, umfassend eine Nabe (4), die die Schwenkachse (A) der Unruh (1) definiert, einen Unruhreif (10) und eine Schale (11), die sich zwischen einer unteren Ebene (Pi) und einer oberen Ebene (Ps) beiderseits einer mittleren Ebene (Pm) erstreckt, wobei die Schale (11) mindestens einen Arm (2) umfasst, der den Unruhreif (10) mit der Nabe (4) verbindet, wobei der mindestens eine Arm (2) eine Aufnahme (3) aufweist, die konfiguriert ist, um ein Fliehgewicht (5) aufzunehmen und in Position zu halten, wobei das mindestens eine Fliehgewicht (5) eine Vorderseite (52) und eine Rückseite (53) aufweist und eine zylindrische Form besitzt, deren Flächen die Zylinderböden bilden, dadurch gekennzeichnet, dass das mindestens eine Fliehgewicht in den Arm (2) der Unruh (1) integriert ist, so dass sich die Vorderseite und die Rückseite im Wesentlichen in der oberen Ebene (Ps) bzw. in der unteren ebene (Pi) befinden.
  3. Unruh (1) nach Anspruch 2, wobei die Vorderseite (52) und die Rückseite (53) des mindestens einen Fliehgewichts (5) in Bezug auf die obere Ebene (Ps) und die untere Ebene (Pi) um einen Betrag von 0 µm bis 1 mm zurückgesetzt sind.
  4. Unruh (1) nach Anspruch 1, wobei die Vorderseite (52) und die Rückseite (53) des mindestens einen Fliehgewichts (5) in Bezug auf die obere Ebene (Ps) und die untere Ebene (Pi) um bis zu 0,6 mm vorstehen.
  5. Unruh (1) nach einem der Ansprüche 1 bis 4, wobei das mindestens eine Fliehgewicht (5) in der mittleren Ebene (Pm) der Schale angeordnet ist.
  6. Unruh (1) nach einem der Ansprüche 1 bis 5, wobei die Aufnahme (3) und das mindestens eine Fliehgewicht (5) eine komplementäre Form aufweisen.
  7. Unruh (1) nach einem der Ansprüche 1 bis 6, wobei das mindestens eine Fliehgewicht (5) mit einem vorgegebenen Haltedrehmoment innerhalb der Aufnahme (3) eingeklemmt ist.
  8. Unruh (1) nach einem der Ansprüche 1 bis 7, wobei der Arm (2) einen elastischen Teil (20) aufweist, der sich in der mittleren Ebene (Pm) erstreckt, wobei der elastische Teil (20) bei der Montage des mindestens einen Fliehgewichts (5) verformbar ist.
  9. Unruh (1) nach einem der Ansprüche 2 bis 8, wobei die Aufnahme (3) in Bezug auf die obere Ebene (Ps) und die untere Ebene (Pi) Arretierungen (30) aufweist, um das mindestens eine Fliehgewicht (5) axial in Position zu halten.
  10. Unruh (1) nach einem der Ansprüche 1 bis 9, wobei das mindestens eine Fliehgewicht (5) in die Aufnahme (3) des Arms (2) der Unruh (1) eingebracht ist.
  11. Unruh (1) nach einem der Ansprüche 1 bis 10, wobei der Arm (2) und der Unruhreif (10) die gleiche Dicke aufweisen.
  12. Uhrwerk, umfassend eine Unruh (1) nach einem der Ansprüche 1 bis 11.
  13. Uhr, umfassend ein Werk nach Anspruch 12.
EP14182343.5A 2014-08-26 2014-08-26 Unruh mit Trägheitsregulierung Active EP2990882B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP14182343.5A EP2990882B1 (de) 2014-08-26 2014-08-26 Unruh mit Trägheitsregulierung
US14/828,709 US9547278B2 (en) 2014-08-26 2015-08-18 Balance with inertia adjustment
JP2015163495A JP6086961B2 (ja) 2014-08-26 2015-08-21 慣性調整機能付きバランス
CN201510526600.6A CN105388743B (zh) 2014-08-26 2015-08-25 具有惯性调整装置的摆轮
RU2015136080A RU2693519C2 (ru) 2014-08-26 2015-08-25 Баланс с регулировкой инерции для часовых изделий, часовой механизм и часовое изделие
HK16110592.3A HK1222460A1 (zh) 2014-08-26 2016-09-06 具有慣性調整裝置的擺輪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14182343.5A EP2990882B1 (de) 2014-08-26 2014-08-26 Unruh mit Trägheitsregulierung

Publications (2)

Publication Number Publication Date
EP2990882A1 EP2990882A1 (de) 2016-03-02
EP2990882B1 true EP2990882B1 (de) 2020-01-15

Family

ID=51392196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14182343.5A Active EP2990882B1 (de) 2014-08-26 2014-08-26 Unruh mit Trägheitsregulierung

Country Status (6)

Country Link
US (1) US9547278B2 (de)
EP (1) EP2990882B1 (de)
JP (1) JP6086961B2 (de)
CN (1) CN105388743B (de)
HK (1) HK1222460A1 (de)
RU (1) RU2693519C2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2990883A1 (de) * 2014-08-29 2016-03-02 Nivarox-FAR S.A. Spiralunruh-Einheit für Uhrwerk
EP3252546B1 (de) * 2016-06-03 2019-08-28 The Swatch Group Research and Development Ltd Uhrenmechanismus zum einstellen der unruhträgheit
EP3502786A1 (de) * 2017-12-22 2019-06-26 The Swatch Group Research and Development Ltd Unruh für uhr, und herstellungsverfahren einer solchen unruh
EP3525046B1 (de) * 2018-02-12 2024-07-10 The Swatch Group Research and Development Ltd Uhrwerkoszillator, der für winkelbeschleunigungen des tragens unempfindlich ist
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
EP3835879B1 (de) * 2019-12-09 2024-01-24 The Swatch Group Research and Development Ltd Resonatormechanismus eines uhrwerks mit einer trägheitsmasse mit trägheits- und unwuchtregulierung
EP3839656B1 (de) * 2019-12-18 2023-12-13 Nivarox-FAR S.A. Unruh für uhrwerk

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US455787A (en) * 1890-05-24 1891-07-14 Balance-wheel for time-pieces
US510202A (en) * 1893-01-19 1893-12-05 smith
US631103A (en) * 1899-03-03 1899-08-15 Antoine Borel Compensation watch-balance.
US1350035A (en) * 1920-03-02 1920-08-17 Povelsen Ingild Compensating balance-wheel
US2770942A (en) * 1953-03-03 1956-11-20 Elgin Nat Watch Co Horological balance with adjustable moment of inertia
US2880570A (en) * 1956-11-26 1959-04-07 Elgin Nat Watch Co Balance with adjustable moment of inertia
US3382667A (en) * 1966-04-01 1968-05-14 Hamilton Watch Co Watch regulator
US3455104A (en) * 1968-01-25 1969-07-15 Hamilton Watch Co Watch rate regulation
DE60227912D1 (de) 2002-03-21 2008-09-11 Chopard Manufacture Sa Unruh mit Verstellmechanismus
CH698024B1 (fr) * 2005-03-23 2009-04-30 Patek Philippe Sa Balancier inertiel.
EP2677369B1 (de) * 2010-06-11 2015-01-14 Montres Breguet SA Hochfrequenzunruh für Uhr
CH703463A2 (fr) * 2010-07-19 2012-01-31 Nivarox Sa Balancier à réglage d'inertie sans insert.
EP2410386B1 (de) 2010-07-19 2018-10-03 Nivarox-FAR S.A. Unruh mit Trägheitsregulierung mit Einsatzteil
EP2410387B1 (de) * 2010-07-19 2016-07-06 Nivarox-FAR S.A. Unruh mit Trägheitsregulierung ohne Einsatzteil
CH705238C1 (fr) 2011-07-15 2024-02-15 Nivarox Far Sa Balancier à réglage d'inertie pour mouvement d'horlogerie.
USD700535S1 (en) * 2011-12-28 2014-03-04 Nivarox-Far S.A. Balance wheel with control knobs
JP6070937B2 (ja) * 2013-02-20 2017-02-01 セイコーインスツル株式会社 てんぷ、時計用ムーブメント及び機械式時計

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Also Published As

Publication number Publication date
JP6086961B2 (ja) 2017-03-01
JP2016045209A (ja) 2016-04-04
EP2990882A1 (de) 2016-03-02
RU2015136080A3 (de) 2019-03-05
RU2015136080A (ru) 2017-03-03
RU2693519C2 (ru) 2019-07-03
CN105388743B (zh) 2017-12-05
HK1222460A1 (zh) 2017-06-30
US9547278B2 (en) 2017-01-17
US20160062314A1 (en) 2016-03-03
CN105388743A (zh) 2016-03-09

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