EP1367462B1 - Hemmung für Uhren - Google Patents
Hemmung für Uhren Download PDFInfo
- Publication number
- EP1367462B1 EP1367462B1 EP02077092A EP02077092A EP1367462B1 EP 1367462 B1 EP1367462 B1 EP 1367462B1 EP 02077092 A EP02077092 A EP 02077092A EP 02077092 A EP02077092 A EP 02077092A EP 1367462 B1 EP1367462 B1 EP 1367462B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- rocker
- wheels
- tooth
- blocking
- 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.)
- Expired - Lifetime
Links
Images
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
- G04B15/02—Escapements permanently in contact with the regulating mechanism
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/15—Intermittent grip type mechanical movement
- Y10T74/1502—Escapement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18528—Rotary to intermittent unidirectional motion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/1987—Rotary bodies
- Y10T74/19884—Irregular teeth and bodies
Definitions
- the present invention relates to an escapement disposed between a power train and a platform to which a pendulum of a timepiece is attached, the balance being able to traverse a free oscillation arc and to receive oscillation maintenance pulses. , this exhaust having first and second toothed wheels meshing with each other, one of these wheels being driven by the gear train.
- the applicant of the present invention has already proposed an escape partially answering the definition which has just been given and a description of which is explained in the document EP-1221637
- This document describes an escapement represented at figure 1 , arranged, as is usual, between a cog and a plate 2 supporting a balance-spring of a timepiece.
- the balance-spring not shown in the figure, is able, as is known, to go through a free oscillation arc and arranged to receive maintenance pulses of these oscillations.
- the wheel also called finishing, is the set of wheels and gears which, a barrel, transmits the driving force to an escape wheel.
- the gear is represented by its last wheel 30, associated with the pinion 31.
- the wheel 30 drives a first wheel 3 exhaust by the pinion 32 which is secured thereto.
- the first wheel 3 meshes with a second wheel 4.
- the wheels 3 and 4 have the same diameter and the same number of teeth.
- the exhaust also comprises a rocker 5 adapted to receive pulses generated alternately by the first and second escape wheels 3 and 4.
- the rocker 5 transmits the pulses received to the plate 2 to drive it in rotation. in order to maintain the oscillations of the sprung balance integral with this plate 2.
- the rocker is arranged to alternately block the first and second escape wheels 3 and 4, after each pulse has been transmitted to the plate 2.
- the rocker 5 equipping the exhaust is supported by a shaft 6 pivoting freely in a plate (not shown) that includes the timepiece.
- This rocker 5 has a substantially triangular shape.
- a first vertex of the rocker defines an edge 19 on which a tooth 8 of the first wheel 3 can rest to subject the rocker 5 to a pulse in a first direction.
- a second vertex of the rocker defines another edge 19 on which a tooth 10 of the second wheel 4 can rest to subject the rocker 5 to a pulse in a second direction B, which is the opposite of the first direction.
- the edges 19 of the rocker are connected by an edge 14 to block, in the vicinity of the edges, alternately the first 3 and second 4 wheels after each pulse transmitted.
- a third top of the rocker 5 comprises two teeth 11 and 12 may mesh with a tooth 13 that includes the plate 2.
- Each of the teeth 8, 10 of the wheels 3 and 4 has a leading edge 16 having a first curved top cutout 17 which can bear against the edge 14 of the rocker to block one of the wheels, and a second cutout 18 in an arc. , following the first cut, likely to rest against one of the ridges 19 to drive the rocker 5 in rotation.
- the document EP 1 041 459 describes an escapement with two wheels arranged to directly transmit the pulses to the balance plate.
- the present invention which includes features described in the document EP 1 221 637 , namely two wheels meshing with each other, one of these wheels being driven by the gear is intended to provide an escapement for timekeeping with improved chronometric performance.
- FIGS. 2 to 7 are plan views of six successive phases of the escapement according to the invention, these phases covering a complete oscillation of the sprung balance.
- the exhaust shown in these successive figures differs from the exhaust of the prior art in the structure of the rocker 5 used and in the form of the teeth 8 and 10 of the wheels 3 and 4 exhaust.
- the other elements, common to both exhausts, have already been described in figure 1 .
- the rocker 5 equipping the exhaust according to the invention is supported by a shaft 6 pivoting freely in a plate (not shown) that includes the timepiece.
- This flip-flop 5 comprises first and second contact means respectively formed by first 41 and second 42 edges adapted to receive pulses generated alternately by the first 3 and second 4 wheels. It also comprises pulse means comprising first and second teeth 11 and 12 capable of to mesh with a tooth 13 that includes a plate 2 to transmit these pulses to the plate to drive it in rotation and maintain oscillations of the balance.
- the plate 2 comprises a lower plate 2a provided with the tooth 13 and an upper plate 2b having a substantially smaller diameter provided with a notch 46 in the form of a circular arc opening on the tooth 13 whose function will be explained later.
- first and second locking means formed by first 43 and second 44 locking faces to alternately block the first 3 and second 4 wheels after each transmitted pulse. It should be noted that the first 41 and second 42 edges and the first 43 and second 44 locking faces are formed at the periphery of the latch 5 in regions distant from each other.
- This rocker 5 preferably has a substantially symmetrical shape with respect to an axis (XX) passing between the first and second teeth 11 and 12 of the rocker and by the center of the shaft 6.
- the first and second contact means are arranged symmetrically with respect to this axis (XX) as well as the first and second locking means.
- angle (a) formed by the segment connecting the first contact means to the center of the shaft and the segment connecting the second contact means to the center of the shaft is an acute angle preferably comprised between 50 ° and 70 °.
- This angle (a), represented at figure 2 is advantageously equal to 60 °.
- angle (b) formed by the segment connecting the first locking means to the center of the shaft and the segment connecting the second locking means to the center of the shaft is an obtuse angle inclusive of preferably between 130 ° and 170 °.
- This angle (b), represented at figure 3 is advantageously equal to 155 °.
- the first edge 41 forming the first contact means cooperates with the end of a tooth 8 of the first wheel 3 to subject the rocker 5 to a pulse in a first direction (B) (see figure 3 ).
- the second edge 42 forming the second contact means cooperates with the end of a tooth 10 of the second wheel 4 to subject the rocker 5 to a pulse in a second direction (A), inverse to the first direction (B) (see figure 7 ).
- the first blocking face 43 cooperates with the end of a tooth 8 of the wheel 3, adjacent to the tooth 8 having previously served to subject the rocker to a pulse in the direction B, to block the rocker (see figure 4 ).
- the second locking face 44 cooperates with the end of a tooth 10 of the wheel 4, close to the tooth 10 having previously served to subject the rocker to a pulse in the direction A, to block the rocker.
- each of the teeth 8, 10 respectively of the first 3 and second 4 wheels has a front flank 16 having a curved cutout 21 capable of cooperating respectively with the first 43 and second 44 blocking faces of the rocker to block one of the wheels. , and also capable of bearing respectively against the first 41 and second edges 42 of the rocker to drive the rocker in rotation.
- a tongue 45 is provided. preferably having a tip terminated end, placed in a plane parallel to that in which the teeth 11 and 12 of the rocker.
- the tongue 45 prevents a reversal of the rocker 5 for example in case of impact by blocking the latter at the periphery 20 of the upper plate 2b.
- the mechanism is stopped.
- the second escape wheel 4 is blocked because the curved cutout 21 of its tooth 10 is in contact with the second locking face 44 of the rocker 5.
- the angular excursion of the rocker 5 is at the end of its stroke since its tooth 12 is in abutment on the pin 26.
- the sprung balance is close to the end of oscillation (arrow E) or close to the end of second alternation of this oscillation.
- the tooth 13 of the plate 2 comes into contact with the tooth 11 of the rocker 5 and will cause said rocker in the direction of the arrow B. It is a phase of disengagement of the rocker where on the one hand the tooth 12 is driven so as to move away from the pin 26 and where on the other hand the second blocking face 44 of the rocker can fade before the curved cutout 21 of the tooth 10.
- the latch 5 continues its course in the direction of the arrow B, driven that it is by the plate 2. At this moment the tooth 13 of the plate is fully engaged between the two teeth 11 and 12 of the rocker 5. It will be noted that the notch 46 of the upper plate 2b allows in this position the passage of the tongue 45 and thus the rotation of the rocker 5. The curved cutout 21 of the tooth 8a of the first wheel comes into contact with the first edge 41 of the rocker .
- the escape wheel 4 is then driven in the direction of the arrow F by means of the escape wheel 3 which rotates in the direction of the arrow G driven that it is in turn by the wheel whose last element 30 was shown in figure 1 .
- the situation of the flip-flop 5 is the same as that described above with the difference that the tab 45 prevents any reversal.
- the plate 2 continues to rotate in the direction of arrow E and travels the first half of its second free oscillation.
- the rocker 5 and the first and second wheels 3 and 4 are still blocked.
- the plateau 2 After having traversed its first alternation, the plateau 2 returns in the opposite direction shown by the arrow M and travels the second alternation of its second free oscillation.
- the rocker 5 always blocks the first and second wheels and is always prevented from overturning thanks to the tongue 45.
- first and second exhaust wheels have a structure to have more teeth at their periphery, and the torque required to drive the barrel is less important and therefore the energy consumed is lower.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Electromechanical Clocks (AREA)
- Steroid Compounds (AREA)
Claims (7)
- Hemmung (1), die zwischen einem Antriebsräderwerk und einer Scheibe (2) angeordnet ist, an der eine Spiralunruh eines Präzisionszeitmessers befestigt ist, wobei die Unruh imstande ist, einen freien Schwingungsbogen zu durchlaufen und Impulse zur Aufrechterhaltung der Schwingungen zu empfangen, wobei diese Hemmung ein erstes (3) und zweites (4) Zahnrad umfasst, die ineinander eingreifen, wobei eines dieser Räder von dem Antriebsräderwerk angetrieben wird, und eine Wippe (5), die aufweist:- erste (41) und zweite (42) Kontaktmittel, die imstande sind, Impulse zu empfangen, die abwechselnd vom ersten und zweiten Rad erzeugt werden,- Impulsmittel (11, 12), die imstande sind, mit der Scheibe (2) zusammenzuarbeiten, um die Impulse an die Scheibe zu übertragen, um sie rotierend anzutreiben und die Schwingungen der Unruh aufrechtzuerhalten,- und erste (43) und zweite (44) Blockiermittel, um abwechselnd das erste und zweite Rad nach jedem von den Impulsmitteln an die Scheibe übertragenem Impuls zu blockieren,- wobei die ersten und zweiten Kontaktmittel und die ersten und zweiten Blockiermittel an der Peripherie der Wippe in voneinander entfernten Regionen angeordnet sind.
- Hemmung nach Anspruch 1, dadurch gekennzeichnet, dass die Wippe (5) von einer Welle (6) getragen wird, die frei in einer Werkplatte dreht, die der Präzisionszeitmesser umfasst, dadurch, dass die Impulsmittel einen ersten (11) und zweiten (12) Zahn umfassen, die imstande sind, in einen Zahn (13) einzugreifen, den die Scheibe (2) umfasst, dadurch, dass diese Wippe eine zu einer Achse (X-X), die zwischen dem ersten und zweiten Zahn der Wippe und durch die Mitte der Welle verläuft, etwa symmetrische Form aufweist, wobei- die ersten (41) und zweiten (42) Kontaktmittel symmetrisch zur Achse angeordnet sind,- die ersten (43) und zweiten (44) Blockiermittel symmetrisch zur Achse angeordnet sind.
- Hemmung nach Anspruch 2, dadurch gekennzeichnet, dass:- die ersten Kontaktmittel (41) mit dem Ende (21) eines Zahns (8a) des ersten Rades (3) zusammenarbeiten, um die Wippe (5) einem Impuls in eine erste Richtung (B) auszusetzen,- die zweiten Kontaktmittel (42) mit dem Ende (21) eines Zahns (10a) des zweiten Rades (4) zusammenarbeiten, um die Wippe (5) einem Impuls in eine zweite Richtung (A) auszusetzen, die der ersten Richtung entgegengesetzt ist,- die ersten (43) und zweiten (44) Blockiermittel mit dem Ende eines benachbarten Zahns (8b, 10b) jeweils des ersten und zweiten Rades (3 und 4) zusammenarbeiten, um die Wippe zu blockieren.
- Hemmung nach Anspruch 3, dadurch gekennzeichnet, dass die ersten und zweiten Kontaktmittel jeweils von einer ersten (41) und zweiten (42) Kante gebildet werden und dadurch, dass die ersten und zweiten Blockiermittel jeweils von einer ersten (43) und zweiten (44) Blockierfläche gebildet werden.
- Hemmung nach Anspruch 4, dadurch gekennzeichnet, dass jeder Zahn (8, 10) des jeweils ersten (3) und zweiten (4) Rades eine vordere Flanke (16) aufweist, die einen gebogenen Ausschnitt (21) umfasst, der imstande ist, sich jeweils auf der ersten (43) und zweiten (44) Blockierfläche der Wippe abzustützen, um die Räder zu blockieren, und ebenfalls imstande, sich jeweils auf die erste (41) und zweite (42) Kante der Wippe abzustützen, um die Wippe rotierend anzutreiben.
- Hemmung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass ein erstes Segment, das die ersten Kontaktmittel (41) und die Mitte der Welle (6) verbindet und ein zweites Segment, das die zweiten Kontaktmittel (42) und die Mitte der Welle verbindet, einen spitzen Winkel (a) vorzugsweise zwischen 50° und 70° inklusive bilden.
- Hemmung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass ein erstes Segment, das die ersten Blockiermittel (43) und die Mitte der Welle (6) verbindet und ein zweites Segment, das die zweiten Blockiermittel (44) und die Mitte der Welle verbindet, einen stumpfen Winkel (b) vorzugsweise zwischen 130° und 170° inklusive bilden.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT02077092T ATE443880T1 (de) | 2002-05-28 | 2002-05-28 | Hemmung für uhren |
DE60233783T DE60233783D1 (de) | 2002-05-28 | 2002-05-28 | Hemmung für Uhren |
EP02077092A EP1367462B1 (de) | 2002-05-28 | 2002-05-28 | Hemmung für Uhren |
US10/441,274 US6802645B2 (en) | 2002-05-28 | 2003-05-20 | Escapement for timekeeper |
JP2003149718A JP4259924B2 (ja) | 2002-05-28 | 2003-05-27 | 時計用脱進機構 |
HK04103671.6A HK1060775A1 (en) | 2002-05-28 | 2004-05-24 | Escapement for timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02077092A EP1367462B1 (de) | 2002-05-28 | 2002-05-28 | Hemmung für Uhren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1367462A1 EP1367462A1 (de) | 2003-12-03 |
EP1367462B1 true EP1367462B1 (de) | 2009-09-23 |
Family
ID=29414785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02077092A Expired - Lifetime EP1367462B1 (de) | 2002-05-28 | 2002-05-28 | Hemmung für Uhren |
Country Status (6)
Country | Link |
---|---|
US (1) | US6802645B2 (de) |
EP (1) | EP1367462B1 (de) |
JP (1) | JP4259924B2 (de) |
AT (1) | ATE443880T1 (de) |
DE (1) | DE60233783D1 (de) |
HK (1) | HK1060775A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH700720B1 (fr) * | 2003-06-23 | 2010-10-15 | Ronda Ag | Engrenage pour mouvement de montre et mécanisme d'affichage du quantième muni d'un tel engrenage. |
KR20080020670A (ko) * | 2005-07-04 | 2008-03-05 | 몽트레 브레귀에 에스. 아. | 고-성능 레버 탈진기 |
DE602007007888D1 (de) * | 2007-04-04 | 2010-09-02 | Eta Sa Mft Horlogere Suisse | Aufzugsvorrichtung mit unidirektionale Kupplung |
EP1978420B1 (de) * | 2007-04-04 | 2010-11-10 | ETA SA Manufacture Horlogère Suisse | Zahnrad für Uhrwerk und Vorrichtung zur Korrektur eines Anzeigemechanismus für eine Uhr mit einem solchen Zahnrad |
EP1983389B1 (de) * | 2007-04-18 | 2009-11-25 | ETA SA Manufacture Horlogère Suisse | Hemmung, die zwei Hemmungsräder umfasst |
ATE456079T1 (de) | 2007-04-18 | 2010-02-15 | Eta Sa Mft Horlogere Suisse | Ankerhemmung für uhren |
EP1983388B1 (de) | 2007-04-18 | 2010-01-20 | ETA SA Manufacture Horlogère Suisse | Direktimpulshemmung für Uhren |
ATE447731T1 (de) | 2007-04-18 | 2009-11-15 | Eta Sa Mft Horlogere Suisse | Ankerhemmung, die zwei hemmungszahnräder umfasst |
ATE475913T1 (de) * | 2007-05-30 | 2010-08-15 | Omega Sa | Ankerhemmung für uhren |
EP2105806B1 (de) * | 2008-03-27 | 2013-11-13 | Sowind S.A. | Hemmungsmechanismus |
EP2487546B1 (de) | 2011-02-11 | 2021-06-30 | Montres Journe S.A. | Zweiachsige Hochleistungshemmung |
JP5961753B2 (ja) * | 2012-06-07 | 2016-08-02 | デトラ ソシエテ アノニム | 時計用脱進装置 |
JP6347439B2 (ja) * | 2014-03-06 | 2018-06-27 | セイコーインスツル株式会社 | 脱進機、時計用ムーブメントおよび時計 |
JP6206877B2 (ja) * | 2014-03-06 | 2017-10-04 | セイコーインスツル株式会社 | 脱進機、時計用ムーブメントおよび時計 |
CH712631B1 (fr) * | 2016-06-27 | 2020-02-28 | Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A | Echappement pour mouvement d'horlogerie. |
CH714200B1 (fr) * | 2017-09-29 | 2021-02-15 | Louis Vuitton Malletier Sa | Dispositif d'échappement pour mouvement de montre mécanique comportant un échappement avec deux mobiles d'échappement. |
EP3462251B1 (de) | 2017-09-29 | 2020-06-10 | Montres Breguet S.A. | Stellmechanismus für uhrwerk |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2354020A (en) * | 1941-07-26 | 1944-07-18 | Mefina Sa | Clockwork escapement |
US3143848A (en) * | 1957-01-02 | 1964-08-11 | Hamilton Watch Co | Indexing mechanism |
US2977750A (en) * | 1957-01-02 | 1961-04-04 | Hamilton Watch Co | Indexing mechanism |
CH578754B5 (de) * | 1972-10-12 | 1976-08-13 | Favre Marc & Co Sa | |
DE69902990T2 (de) * | 1999-03-31 | 2003-05-22 | Nardin Ulysse Sa | Hemmung für Zeitmesser |
DE60133171T2 (de) * | 2001-01-09 | 2009-04-30 | Manufacture Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle Sa | Hemmung für Zeitmesser |
-
2002
- 2002-05-28 DE DE60233783T patent/DE60233783D1/de not_active Expired - Lifetime
- 2002-05-28 EP EP02077092A patent/EP1367462B1/de not_active Expired - Lifetime
- 2002-05-28 AT AT02077092T patent/ATE443880T1/de not_active IP Right Cessation
-
2003
- 2003-05-20 US US10/441,274 patent/US6802645B2/en not_active Expired - Lifetime
- 2003-05-27 JP JP2003149718A patent/JP4259924B2/ja not_active Expired - Fee Related
-
2004
- 2004-05-24 HK HK04103671.6A patent/HK1060775A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6802645B2 (en) | 2004-10-12 |
JP2004053592A (ja) | 2004-02-19 |
JP4259924B2 (ja) | 2009-04-30 |
US20040013046A1 (en) | 2004-01-22 |
ATE443880T1 (de) | 2009-10-15 |
DE60233783D1 (de) | 2009-11-05 |
EP1367462A1 (de) | 2003-12-03 |
HK1060775A1 (en) | 2004-08-20 |
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