EP1801668B1 - Dispositif anti-galop pour échappement d'horlogerie - Google Patents

Dispositif anti-galop pour échappement d'horlogerie Download PDF

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Publication number
EP1801668B1
EP1801668B1 EP05112521A EP05112521A EP1801668B1 EP 1801668 B1 EP1801668 B1 EP 1801668B1 EP 05112521 A EP05112521 A EP 05112521A EP 05112521 A EP05112521 A EP 05112521A EP 1801668 B1 EP1801668 B1 EP 1801668B1
Authority
EP
European Patent Office
Prior art keywords
balance
rotation
pinion
beyond
normal angle
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
EP05112521A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1801668A1 (fr
Inventor
Dominique Léchot
Alain Zaugg
Thierry Conus
Andréas Cabezas Jurin
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 AT05112521T priority Critical patent/ATE388428T1/de
Priority to DE602005005209T priority patent/DE602005005209T2/de
Priority to EP05112521A priority patent/EP1801668B1/fr
Priority to SG200608687-0A priority patent/SG133528A1/en
Priority to US11/610,961 priority patent/US7527424B2/en
Priority to JP2006336611A priority patent/JP4795218B2/ja
Priority to CN2006101687844A priority patent/CN1987686B/zh
Publication of EP1801668A1 publication Critical patent/EP1801668A1/fr
Priority to HK07109651.4A priority patent/HK1104621A1/xx
Application granted granted Critical
Publication of EP1801668B1 publication Critical patent/EP1801668B1/fr
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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
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses

Definitions

  • the present invention relates to an antigalop device for a timepiece escapement essentially comprising a balance spring, this device to prevent the angular extension of said balance beyond a normal angle of rotation.
  • This device is implemented on an escapement comprising inter alia a spiral composed of several turns and a rocker provided with at least one arm, this rocker being pivotally mounted between a plate and a bridge.
  • the device comprises a finger fixed on the balance arm, two columns between which can pass the finger when the pendulum is in motion, these columns being integral with the balance bridge, and a locking arm attached to the outer turn of the balance spring.
  • the locking arm is capable of interposing between these columns and this finger to prevent the rotation of the balance beyond an angle exceeding its normal operating angle.
  • This device is implemented in so-called expansion escapements that are suitable for large timepieces such as marine chronometers. These parts are appreciated for their great precision, which is why it is very often called a relaxation exhaust itself renowned for its high accuracy.
  • This exhaust has a significant defect, namely its sensitivity to shocks. Because of this, it is deemed not to be well suited to wristwatches. Indeed a shock applied to the timepiece can cause the pendulum to rotate beyond a normal operating angle. It then occurs, at least for a direction of rotation of the balance, a gallop because two clearances and two pulses occur during the same alternation.
  • the solution proposed by Alois Irk described above could be applied to a wristwatch but seems to immediately have at least two disadvantages.
  • the first drawback appears to be the use of a locking arm attached to an elastic element, in this case the outer coil of the spiral. It is a non-mechanical solution, prone to all kinds of hazards related to the elasticity of the hairspring that can deform unexpectedly, and precisely following a shock applied to the watch.
  • the second disadvantage lies in the fact that the Irk system operates only in a direction of rotation of the balance, the direction of the largest expansion of the spiral. In the other direction, the direction of the contraction of the hairspring, the exhaust can also gallop and the Irk system remains ineffective.
  • the present invention besides it obeys the generic definition in the first paragraph of this description, is remarkable in that the shaft which is equipped with the balance is provided with a gear meshing with means preventing said balance to rotate beyond a normal angle of rotation, regardless of the direction of rotation.
  • the attached figures show two embodiments of the antigalop device according to the invention.
  • This device is intended for a clock escapement, more particularly, but not exclusively for a detent escapement, of which only the elements necessary for the understanding of the invention are represented in the figures, namely essentially a spiral balance 1.
  • the device antigalop aims to prevent the angular extension of the balance beyond a normal angle of operation or rotation.
  • the expansion escapement is taken here as an example to which the antigalop device can be applied.
  • This exhaust further includes the following elements: shown in the drawings, but clearly visible in the document EP-A 1,538,491 mentioned above, namely: an escape wheel provided with generally pointed teeth which rest in turn on a pallet of rest, a toggle blocker, this blocker carrying at its first end said pallet rest and its second end a first actuating finger capable of being actuated by a second actuating finger carried by a plate integral with the balance, this plate also carrying a pulse pallet adapted to receive pulses from the teeth of the wheel 'exhaust.
  • the pallet rest is released from the tooth of the escape wheel and another tooth of the same wheel, acting on the pulse pallet, gives a pulse to the balance.
  • the second actuating finger is arranged so as to actuate the first finger of the blocker only in a direction of rotation of the balance, that is to say at the first oscillation alternation following what is the impulse?
  • the rocker rotates in the other direction, that is to say during the second alternation of the oscillation, the first finger of the blocker is not actuated because the second finger carried by the plate is arranged for s' then hide from what no impulse occurs.
  • the first finger of the blocker can be operated a second time. There is then a second pulse during the same alternation, which causes the escapement to gallop. It will also be understood that if the second alternation causes the balance to rotate beyond its normal range of operation, the second finger carried by the plate can retract a second time following which, by changing the direction of rotation of the plate, said second finger causes the release of the pallet of rest, then an unwanted pulse, thus distorting the isochronism of the oscillator.
  • the present invention is remarkable in that, and as shown in all the accompanying figures, the shaft 2 which is equipped with the balance 1 is equipped with a gear 3 meshing with means 4 preventing said balance 1 to rotate beyond a normal rotation angle and this whatever the direction of this rotation.
  • the Figures 1 and 2 show a first embodiment of the invention.
  • the means 4 preventing the rocker 1 from rotating beyond a normal angle of rotation consist of a gear 5 meshing with the pinion 3 carried by the shaft 2 of the rocker 1.
  • This wheel 5 carries at least two spokes 6 and 7 likely to abut against a fixed stop 8 if the rocker 1 is driven beyond its normal angle of rotation.
  • the figure 2 shows more precisely that the fixed stop 8 is a pin 13 driven into the plate 15 that includes the timepiece.
  • the Figures 3 and 4 show a second embodiment of the invention.
  • the means 4 preventing the balance 1 from turning beyond a normal angle of rotation consist of a pivoted toothed sector forming a rake 9.
  • This rake 9 carries two terminal rays 10 and 11 may abut against a fixed stop 8 if the pendulum is driven beyond its normal angle of rotation.
  • the figure 4 shows more precisely that the fixed stop 8 is a pin 14 screwed into the plate 15 that includes the timepiece.
  • the spokes 6 and 7 of the wheel 5 and the terminal radii 10 and 11 of the rake 9 prevent the balance 1 from turning beyond its normal operating angle, whatever its meaning. rotation, which has an advantage over the system proposed above by Alois Irk where this limitation occurs only in a direction of rotation of the balance. It will also be observed that the present invention uses a mechanical connection that could be called rigid between the balance and the means of limiting its stroke since it uses a gear connection without any elastic element as proposed by Alois Irk .
  • the toothed wheel 5 may only carry one spoke, in this case, of course, the gear ratio will be adopted between this wheel and the pinion 3 so that the arm abuts against the fixed stop. 8 if the pendulum is driven beyond the normal angle.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Mechanical Operated Clutches (AREA)
  • Control Of Turbines (AREA)
  • Saccharide Compounds (AREA)
EP05112521A 2005-12-20 2005-12-20 Dispositif anti-galop pour échappement d'horlogerie Active EP1801668B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT05112521T ATE388428T1 (de) 2005-12-20 2005-12-20 Vorrichtung zum galoppschutz für uhrenhemmung
DE602005005209T DE602005005209T2 (de) 2005-12-20 2005-12-20 Vorrichtung zum Galoppschutz für Uhrenhemmung
EP05112521A EP1801668B1 (fr) 2005-12-20 2005-12-20 Dispositif anti-galop pour échappement d'horlogerie
SG200608687-0A SG133528A1 (en) 2005-12-20 2006-12-13 Anti-trip device for timepiece escapement
US11/610,961 US7527424B2 (en) 2005-12-20 2006-12-14 Anti-trip device for timepiece escapement
JP2006336611A JP4795218B2 (ja) 2005-12-20 2006-12-14 時計のムーブメント用のトリップ防止装置
CN2006101687844A CN1987686B (zh) 2005-12-20 2006-12-20 钟表擒纵机构的防脱扣装置
HK07109651.4A HK1104621A1 (en) 2005-12-20 2007-09-05 Anti-trip device for timepiece escapement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05112521A EP1801668B1 (fr) 2005-12-20 2005-12-20 Dispositif anti-galop pour échappement d'horlogerie

Publications (2)

Publication Number Publication Date
EP1801668A1 EP1801668A1 (fr) 2007-06-27
EP1801668B1 true EP1801668B1 (fr) 2008-03-05

Family

ID=37116146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05112521A Active EP1801668B1 (fr) 2005-12-20 2005-12-20 Dispositif anti-galop pour échappement d'horlogerie

Country Status (8)

Country Link
US (1) US7527424B2 (ja)
EP (1) EP1801668B1 (ja)
JP (1) JP4795218B2 (ja)
CN (1) CN1987686B (ja)
AT (1) ATE388428T1 (ja)
DE (1) DE602005005209T2 (ja)
HK (1) HK1104621A1 (ja)
SG (1) SG133528A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2690506A1 (fr) 2012-07-25 2014-01-29 Nivarox-FAR S.A. Spiral d'horlogerie anti-galop
WO2014072317A2 (fr) 2012-11-09 2014-05-15 Nivarox-Far S.A. Procédé de réalisation d'un élément flexible multistable

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2450757B1 (fr) 2010-11-04 2014-10-15 Nivarox-FAR S.A. Dispositif anti-galop pour mécanisme d'échappement
CH704051B1 (fr) 2010-11-04 2013-10-15 Nivarox Sa Echappement synchrone pour mécanisme d'horlogerie.
EP2450756B1 (fr) 2010-11-04 2015-01-07 Nivarox-FAR S.A. Dispositif anti-galop pour mécanisme d'échappement
JP5953628B2 (ja) * 2012-02-17 2016-07-20 セイコーインスツル株式会社 脱進機、及び機械式時計
EP3147725B1 (fr) * 2015-09-28 2018-04-04 Nivarox-FAR S.A. Oscillateur a detente tournante

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US710823A (en) * 1901-12-04 1902-10-07 Frederick Hermann Voigt Escapement for timepieces.
CH28540A (fr) * 1903-07-17 1904-05-15 Maurice Woog Perfectionnement à l'échappement à détente des montres
US867015A (en) * 1906-10-15 1907-09-24 Henri Coullery Escapement mechanism for timepieces.
US2591876A (en) * 1949-07-01 1952-04-08 Ebauches Sa Dead-second watch mechanism
US3041819A (en) * 1952-04-15 1962-07-03 Elgin Nat Watch Co Oscillating balance with hairspring and expansion limiting means
US2806344A (en) * 1956-05-17 1957-09-17 Hamilton Watch Co Overbanking preventive means
FR1274665A (fr) * 1960-09-17 1961-10-27 Lip Sa Procédé de réglage d'un échappement de montre ou analogue et échappement pour sa mise en oeuvre
US6554468B1 (en) * 1999-11-11 2003-04-29 Seiko Instruments Inc. Mechanical timepiece with timed annular balance rotating angle control mechanism
JP3804563B2 (ja) * 2002-03-26 2006-08-02 セイコーエプソン株式会社 ぜんまい装置およびこのぜんまい装置を備えた時計
DE60334916D1 (de) 2003-12-04 2010-12-23 Montres Breguet Sa Chronometerhemmung für Uhren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2690506A1 (fr) 2012-07-25 2014-01-29 Nivarox-FAR S.A. Spiral d'horlogerie anti-galop
WO2014072317A2 (fr) 2012-11-09 2014-05-15 Nivarox-Far S.A. Procédé de réalisation d'un élément flexible multistable

Also Published As

Publication number Publication date
ATE388428T1 (de) 2008-03-15
HK1104621A1 (en) 2008-01-18
DE602005005209D1 (de) 2008-04-17
US7527424B2 (en) 2009-05-05
JP4795218B2 (ja) 2011-10-19
CN1987686A (zh) 2007-06-27
SG133528A1 (en) 2007-07-30
JP2007171176A (ja) 2007-07-05
DE602005005209T2 (de) 2009-03-26
US20070140066A1 (en) 2007-06-21
CN1987686B (zh) 2010-04-21
EP1801668A1 (fr) 2007-06-27

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