EP1708046B1 - Echappement à détente pour pièce d'horlogerie - Google Patents

Echappement à détente pour pièce d'horlogerie Download PDF

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Publication number
EP1708046B1
EP1708046B1 EP05006850A EP05006850A EP1708046B1 EP 1708046 B1 EP1708046 B1 EP 1708046B1 EP 05006850 A EP05006850 A EP 05006850A EP 05006850 A EP05006850 A EP 05006850A EP 1708046 B1 EP1708046 B1 EP 1708046B1
Authority
EP
European Patent Office
Prior art keywords
wheel
roller
finger
piece
detent escapement
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
EP05006850A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1708046A1 (fr
Inventor
Thierry Conus
Andres 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 EP05006850A priority Critical patent/EP1708046B1/fr
Priority to DE602005005632T priority patent/DE602005005632T2/de
Priority to AT05006850T priority patent/ATE390652T1/de
Priority to SG200601995A priority patent/SG126107A1/en
Priority to CNB2006100659813A priority patent/CN100527019C/zh
Priority to US11/391,354 priority patent/US7097350B1/en
Priority to JP2006093909A priority patent/JP4896561B2/ja
Publication of EP1708046A1 publication Critical patent/EP1708046A1/fr
Priority to HK06112124.8A priority patent/HK1091560A1/xx
Application granted granted Critical
Publication of EP1708046B1 publication Critical patent/EP1708046B1/fr
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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements

Definitions

  • the present invention relates to a detent escapement for a timepiece comprising an escape wheel provided with teeth, a balance wheel on which axis is fixed at least one plate comprising a pulse pallet and in the circular periphery of which is practiced a notch, and a blocker in the form of a rocker hinged on an axis, this blocker carrying means for blocking the escape wheel, a control finger and a probe terminated by a spout arranged to cooperate with the notch of said at least one a tray.
  • the main object of the present invention is to overcome the drawbacks of the abovementioned prior art by providing a detent escapement having improved impact resistance enabling it to be easily integrated into a wristwatch.
  • the subject of the present invention is a detent escapement for a timepiece comprising an escape wheel provided with teeth, a balance wheel on the axis of which is fixed at least one plate comprising a pulse pallet and in the circular circumference which is practiced a notch, and a blocker in the form of a rocker articulated on an axis, this blocker carrying means for blocking the escape wheel, a control finger and a probe terminated by a spout arranged to cooperate with the notch of said plate, said plate further comprising a safety finger arranged to cooperate with the teeth of the escape wheel and block the latter when the pulse pallet is released accidentally from the toothing of the escape wheel.
  • the safety finger is interposed in the path of the wheel of exhaust for block his race. This avoids any accidental release of said wheel and thereby any risk of damage to the drive mechanism and exhaust of the watch.
  • the safety pin is placed at an angular distance ⁇ of the pulse pallet less than or equal to 40 °, preferably between 30 and 40 ° and even more preferably from the order of 35 °. Indeed, it will be readily understood that if the angular space between the pulse pallet and the safety pin is too small or too large, the tooth of the escape wheel will not be intercepted.
  • the accompanying figures illustrate the escapement relaxation object of the present invention. It comprises an escape wheel 2 provided with teeth 3. Without being shown, the wheel 2 is driven by the wheel of the timepiece which receives its driving force from a barrel. Trays 1 are mounted on the axis 16 of a pendulum not shown in the figures. These plates 1 comprise a large plate 4 equipped with a pulse pallet 5 and a small plate 23 provided with a circular periphery 24 in which is made a notch 22 having a rising edge 25. A first actuating finger 14 overcomes The figures show that this finger 14 emerges from a disk 75 sandwiched between the plates 4 and 23.
  • the exhaust further comprises a blocker 6 in the form of a rocker articulated on an axis 8.
  • the blocker 6 comprises first and second parts connected firmly by the axis 8.
  • the figures show that the first part comprises locking means 80 cooperating with the teeth 3 of the escape wheel 2 and that the second part comprises a second actuating finger 11 arranged to cooperate with the first finger 14, and a probe 20 terminated by a beak 21 arranged to cooperate with the rising edge 25 of the cut 22 made in the small plate 23.
  • one of the trays further comprises a safety pin 95 arranged to cooperate with the teeth 3 of the escape wheel 2 and block the latter when the pulse pallet 5 is disengaged by accident. the teeth of the escape wheel 2.
  • the radius connecting the center 16 of the plates 1 to the safety pin 95 and the radius connecting the same center to the top of the pulse pallet 5 form an angle ⁇ of between 30 ° and 40 ° ° to ensure a good interception of the teeth of the wheel in case of accidental reversal of the trays.
  • the first and second actuating fingers 14 and 11 are fixed respectively to the large plate 4 and to the blocker 6 and are arranged to cooperate with each other in such a way that when the plates 1 rotate in a first direction, the first finger 14 causes the second finger 11 to disengage the locking means 80 of the escape wheel 2, the nose 21 of the probe 20 being then driven by the rising edge 25 of the notch 22 to re-engage the locking means in the wheel of exhaust, and such that when the plates 1 rotate in a second direction, opposite the first, the first finger 14 drives the second 11 to maintain the blocking means 80 engaged in the escape wheel 2.
  • the locking means 80 have first and second pallets 50 and 51 arranged next to each other. These pallets respectively have first and second rest planes 34 and 35. These rest planes are inclined relative to each other to form a rest line 36.
  • the first plane 34 intercepts a tooth 62 of the wheel 2 when the probe 20 is driven by the rising edge 25 of the notch 22, the trays 1 rotating in a first direction. Following this tooth 62 comes to rest on the line of rest 35.
  • the second plane 35 is then scaled by the same tooth 62 when the first finger 14 drives the second finger 11, the plates 1 rotating in a second direction. Finally tooth 62 returns to the line of rest 35 when the second finger leaves the first.
  • the end of the release is shown in figure 3 .
  • the trays 4 and 23 always rotating in the direction of the arrow a, the finger 14 drives the finger 11 by tilting the blocker 6 in the direction of the arrow f which releases the pallets 50 and 51 of the tooth 60 by printing to the wheel 2 a slight backward movement in the direction of the arrow g.
  • the nozzle 21 of the probe 20 begins to penetrate the notch 22 of the small plate 23.
  • the beginning of the impulse is presented in figure 4 .
  • the wheel 2, released from the pallets 50 and 51, begins to rotate in the direction of the arrow e, it is moved by the driving force imparted to the wheel by the barrel.
  • the tooth 61 of the wheel 2 meets the pulse pallet 5 equipping the large plate 4 and restarts the plates 1 in the direction of the arrow a.
  • the wheel 2 continues to rotate in the direction of the arrow e and continues to drive the trays 1 by action of the tooth 61 on the pulse pallet 5 until the tip 21 of the probe 20 comes into contact with the rising edge 25 of the small plate 23. From this moment the blocker 6 is driven in the direction of the arrow h.
  • the figure 7 Illustrates the end of the impulse of the tooth 61 on the pallet 5.
  • the spout 21 has exceeded the rising edge 25 of the notch 22 made in the small plate 23 and is then resting on the circular periphery 24 of this small plate.
  • Blocker 6 continues to be driven in the direction of arrow h and arrives at the end of return.
  • the tooth 62, driven in the direction of the arrow e is about to be intercepted by the locking means 80.
  • the figure 8 shows the rest taking.
  • the tooth 62 bears against the first rest plane 34 of the first rest pallet 50.
  • the figure 9 shows the total rest of the tooth 62 against the blocking means constituted here of the first and second pallets of rest 50 and 51.
  • the tip of the tooth 62 pushed by the kinetic energy of the wheel 2, is housed on the line resting member 36 formed by the inclination of the first and second resting planes 34 and 35 respectively belonging to the first and second rest pallets 50 and 51. This is the pulling effect well known to watchmakers.
  • the tooth 62 is thus housed on the rest line 36, the second rest plane 35 standing in front of this tooth and preventing it from continuing on its way.
  • the figure 9 shows again that the spout 21 of the probe 20 has taken off from the circular periphery 24 of the small plate 23 allowing the pendulum full freedom to traverse its supplementary arc and complete its first alternation in the direction shown by the arrow a.
  • the exhaust is resistant to shocks that could affect the timepiece. Indeed, a shock would abut the beak 21 against the periphery 24 of the small plate 23 without resulting in a release of the pallets 50 and 51, the return of the tooth 62 on the line of rest 36 operating immediately through in the draw cited above.
  • FIGS. 14 to 17 are plan views explaining the operating phases of the escapement illustrated in figure 1 in the case of a shock applied to the timepiece.
  • the figure 14 is identical to the figure 4 and illustrates the beginning of the impulse.
  • the wheel 2, released from the pallets 50 and 51 starts to rotate in the direction of the arrow e, it is moved by the driving force imparted to the wheel by the barrel.
  • the tooth 61 of the wheel 2 meets the pulse pallet 5 equipping the large plate 4 and restarts the plates 1 in the direction of the arrow a.
  • the figure 16 shows that from the situation presented in figure 15 , nothing holds the wheel 2 to rotate in the sense that it is driven normally by the gear (arrow e) and the figure 16 shows that if the safety pin 95 was not present, the wheel 2 would continue to turn wild causing serious damage to the escape mechanism and drive. In contrast, the top of the tooth 61 hits the safety pin 95 which reverses the direction of rotation of the plates 1 and thereby restores the correct direction illustrated by the arrow a.
  • the figure 17 shows the situation where the tooth 61 leaves the safety finger 95, which will allow the tooth 63 to give a new impetus to the pallet 5.
  • the safety finger 95 is situated at the same level as the pulse pallet 5, this level being able to be that of the large plate 4.
  • This security finger 95 can be made in one piece with the plate 4 or reported on the latter in the form of a stone set in the image of the impulse pallet 5.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Finger-Pressure Massage (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Adornments (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP05006850A 2005-03-30 2005-03-30 Echappement à détente pour pièce d'horlogerie Active EP1708046B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP05006850A EP1708046B1 (fr) 2005-03-30 2005-03-30 Echappement à détente pour pièce d'horlogerie
DE602005005632T DE602005005632T2 (de) 2005-03-30 2005-03-30 Chronometerhemmung für Uhren
AT05006850T ATE390652T1 (de) 2005-03-30 2005-03-30 Chronometerhemmung für uhren
SG200601995A SG126107A1 (en) 2005-03-30 2006-03-24 Detent escapement for timepiece
CNB2006100659813A CN100527019C (zh) 2005-03-30 2006-03-29 用于钟表的天文钟擒纵机构
US11/391,354 US7097350B1 (en) 2005-03-30 2006-03-29 Detent escapement for timepiece
JP2006093909A JP4896561B2 (ja) 2005-03-30 2006-03-30 時計用戻止脱進機
HK06112124.8A HK1091560A1 (en) 2005-03-30 2006-11-03 Detent escapement for timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05006850A EP1708046B1 (fr) 2005-03-30 2005-03-30 Echappement à détente pour pièce d'horlogerie

Publications (2)

Publication Number Publication Date
EP1708046A1 EP1708046A1 (fr) 2006-10-04
EP1708046B1 true EP1708046B1 (fr) 2008-03-26

Family

ID=35517558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05006850A Active EP1708046B1 (fr) 2005-03-30 2005-03-30 Echappement à détente pour pièce d'horlogerie

Country Status (8)

Country Link
US (1) US7097350B1 (xx)
EP (1) EP1708046B1 (xx)
JP (1) JP4896561B2 (xx)
CN (1) CN100527019C (xx)
AT (1) ATE390652T1 (xx)
DE (1) DE602005005632T2 (xx)
HK (1) HK1091560A1 (xx)
SG (1) SG126107A1 (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE390653T1 (de) * 2005-03-30 2008-04-15 Montres Breguet Sa Chronometerhemmung für uhren
DE602007001230D1 (de) * 2007-03-09 2009-07-16 Eta Sa Mft Horlogere Suisse Hemmung mit Tangentialimpulsen
ATE456078T1 (de) * 2007-04-18 2010-02-15 Eta Sa Mft Horlogere Suisse Direktimpulshemmung für uhren
EP1983391B1 (fr) * 2007-04-18 2010-01-20 ETA SA Manufacture Horlogère Suisse Echappement à ancre pour pièce d'horlogerie
ATE447731T1 (de) * 2007-04-18 2009-11-15 Eta Sa Mft Horlogere Suisse Ankerhemmung, die zwei hemmungszahnräder umfasst
EP1983389B1 (fr) * 2007-04-18 2009-11-25 ETA SA Manufacture Horlogère Suisse Echappement comportant deux roues d'échappement
DE602007008077D1 (de) * 2007-05-30 2010-09-09 Omega Sa Ankerhemmung für Uhren
EP2199875B1 (fr) * 2008-12-16 2014-09-24 Rolex Sa Échappement à détente
EP2224292B1 (fr) * 2009-02-26 2012-10-10 Rolex Sa Echappement à impulsion directe, notamment à détente, pour mouvement d'horlogerie
CN102971678B (zh) 2010-04-01 2015-07-22 劳力士有限公司 用于齿轮的制动装置
JP5729666B2 (ja) * 2010-09-14 2015-06-03 セイコーインスツル株式会社 時計用デテント脱進機、および機械式時計
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
EP2450757B1 (fr) 2010-11-04 2014-10-15 Nivarox-FAR S.A. Dispositif anti-galop pour mécanisme d'échappement
ES2657167T3 (es) * 2015-06-11 2018-03-01 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Inversor de relojería y reloj con remontaje automático que comprende su aplicación
CH715023A1 (fr) 2018-05-25 2019-11-29 Sa De La Manufacture Dhorlogerie Audemars Piguet & Cie Échappement à détente auto-démarrant et sécurisé pour pièce d'horlogerie
CH716212A1 (fr) * 2019-05-23 2020-11-30 Detra Sa Composant d'un dispositif d'échappement pour pièce d'horlogerie.
EP3907566A1 (fr) 2020-05-05 2021-11-10 Montres Breguet S.A. Échappement à détente pour pièce d'horlogerie
US11703807B2 (en) 2020-08-18 2023-07-18 Kevin Farrelly Nolan Magnetically coupled dead beat escapement breakaway mechanism
EP4194959A1 (fr) * 2021-12-09 2023-06-14 Montres Breguet S.A. Echappement naturel pour mouvement d'horlogerie et mouvement d'horlogerie comprenant un tel echappement

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US474301A (en) * 1892-05-03 C h ron o m xter-escapement
CH3299A (fr) * 1891-03-05 1891-08-31 Emile James Perfectionnement apporté aux échappements à détente
US1105062A (en) * 1912-06-25 1914-07-28 Joe Steiner Equalizing unlock and impulse action escapement.
US1359005A (en) * 1920-07-26 1920-11-16 Verner Clarence Triple roller for watches
US2362836A (en) * 1942-04-11 1944-11-14 Joseph Pavelka Clock balance wheel
DE1244665B (de) * 1962-11-03 1967-07-13 United States Time Corp Zeigerwerksantrieb
US3538705A (en) * 1968-11-07 1970-11-10 Hamilton Watch Co Escapement
CH1290772A4 (xx) * 1972-09-01 1975-06-30
CH1020375A4 (xx) * 1975-08-05 1977-06-30
SU723491A1 (ru) * 1978-09-01 1980-03-25 Предприятие П/Я Г-4257 Устройство дл автоматического электроподзавода пружинных двигателей приборов времени
DE69902990T2 (de) * 1999-03-31 2003-05-22 Ulysse Nardin S.A., Le Locle Hemmung für Zeitmesser
ATE360232T1 (de) * 2003-09-22 2007-05-15 Paul Gerber Hemmung für uhr
DE60314156T2 (de) 2003-12-04 2008-01-24 Montres Breguet S.A. Chronometerhemmung für Armbanduhren
EP1538491B1 (fr) 2003-12-04 2010-11-10 Montres Breguet S.A. Echappement à détente pour pièce d'horlogerie
EP1544689B1 (fr) 2003-12-16 2010-02-24 Montres Breguet S.A. Echappement à détente pour pièce d'horlogerie

Also Published As

Publication number Publication date
EP1708046A1 (fr) 2006-10-04
SG126107A1 (en) 2006-10-30
ATE390652T1 (de) 2008-04-15
US7097350B1 (en) 2006-08-29
DE602005005632T2 (de) 2009-04-16
JP2006284582A (ja) 2006-10-19
CN1841240A (zh) 2006-10-04
CN100527019C (zh) 2009-08-12
HK1091560A1 (en) 2007-01-19
JP4896561B2 (ja) 2012-03-14
DE602005005632D1 (de) 2008-05-08

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