EP1136894A1 - Dispositif de retour à zéro d'un chronographe - Google Patents
Dispositif de retour à zéro d'un chronographe Download PDFInfo
- Publication number
- EP1136894A1 EP1136894A1 EP00810240A EP00810240A EP1136894A1 EP 1136894 A1 EP1136894 A1 EP 1136894A1 EP 00810240 A EP00810240 A EP 00810240A EP 00810240 A EP00810240 A EP 00810240A EP 1136894 A1 EP1136894 A1 EP 1136894A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shuttle
- fork
- return
- hammer
- clutch
- 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
Links
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
- G04F7/0852—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with member having a rotational two-way movement, e.g. navette
Definitions
- the present invention relates to a timepiece, in particular a device return to zero of a chronograph.
- the chronographs usually used have two pushers, one for START / STOP function and the other for RESET (reset). It exists however another family of chronographs that use flight reset.
- the principle is based on the support of a single pusher which causes the return of the needle at noon and, when the pusher is released, the needle is released. This function has been introduced for pilots who have to stay on course for a while and change to another course according to information received.
- a flight reset device comprising a clutch friction, actuated by main declutching means, a pusher command and a reset hearts mechanism.
- This device is characterized in that it comprises secondary declutching means acting when the control button activates the heart mechanism.
- friction clutch is meant a two-disc clutch, held under pressure by an elastic element. During the return to flight function, the clutch is disengaged leaving free a hammer actuated by pressure on the pusher stop, and which acts on the hearts of counters mounted on a friction, said hammer being lifted by a spring.
- FIG. 1 describes the system in the engaged state, a figure in which there is a clutch 1 with two discs 2, 3 kept under pressure by the action of a spring 12 ensuring greater precision at the start of the measurement of a short time.
- the clutch 1 is in constant engagement with the train of the watch in a known manner by one of the wheels 11 of said train meshing with the mobile 3 .
- the separation of the discs 2 , 3 of the clutch 1 is obtained by a known mechanism of a chronograph function by means of a movable fork 7 actuated by a cam 10 , said fork 7 being held by pressure under the effect of 'a spring 8 .
- the return-to-flight function is operated by a hammer 4 actuated by the pressure of the STOP pusher and acting on the hearts of counters 5 , 6 mounted on a friction, said hammer being lifted by a spring 15 .
- the clutch 1 is then disengaged as illustrated in FIGS. 2 and 3 .
- This is obtained by a shuttle A comprising an inclined plane B , said shuttle A being actuated by a pin C secured to the hammer 4 .
- the connection between the hammer 4 and the shuttle A is effected by an opening D placed on the shuttle A.
- the pressure on the pusher of the watch causes, by means of an intermediate rocker 9 , the hammer 4 which will actuate the two hearts 5, 6 secured to the wheels carrying the display needles.
- the hearts are instantly positioned on the planes 20, 30 resting on the hammer 4 ..
- the declutching delay is synchronized by the pin C which simultaneously drives the shuttle A which, by its inclined plane B , will raise the fork 7 , disengaging thus clutch 1 .
- the time delay is obtained by the position of the pin C which is slightly ahead of the action of the hearts 5, 6.
- the shuttle A is not integral with the hammer 4 .
- the shuttle A is pushed by the hammer 4 , and the return to the clutch position is ensured by a spring Z.
- the shuttle acts on the fork 7 tangentially by means of different inclined planes.
- the inclined plane described above on the shuttle A is located on the fork 7 .
- the shuttle as well as the fork has inclined planes.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
- la figure 1 représente le mécanisme à l'état embrayé,
- la figure 2 représente le mécanisme à l'état débrayé,
- la figure 3 représente une vue de dessus du mécanisme de débrayage,
- la figure 4 représente une vue de dessus d'une variante de l'invention.
Claims (8)
- Dispositif de remise à zéro en vol pour chronographe, comprenant un embrayage à friction (1), des moyens de débrayage principaux (7, 10), un poussoir de commande et un mécanisme de coeurs de remise à zéro (4, 5, 6), caractérisé en ce qu'il comprend des moyens de débrayage secondaires (A) agissant lorsque le poussoir de commande actionne le mécanisme des coeurs.
- Dispositif selon la revendication 1, caractérisé en ce que les moyens de débrayage principaux comprennent une fourchette (7) et en ce que les moyens de débrayage secondaires comprennent une navette (A) actionnée par un marteau (4) du mécanisme de coeurs.
- Dispositif selon la revendication 2, caractérisé en ce que la navette (A) engage la fourchette (7) par la pression du marteau (4).
- Dispositif selon la revendication 3, caractérisé en ce que l'engagement entre la navette (A) et la fourchette (7) se fait par un plan incliné (B).
- Dispositif selon la revendication 4, caractérisé en ce que le plan incliné est placé sur la navette (A).
- Dispositif selon la revendication 4, caractérisé en ce que le plan incliné est placé sur la fourchette (7).
- Dispositif selon la revendication 4, caractérisé en ce que le plan incliné est placé sur la navette (A) et la fourchette (7).
- Chronographe comprenant le dispositif selon l'une des revendications 1 à 7.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT00810240T ATE342526T1 (de) | 2000-03-20 | 2000-03-20 | Vorrichtung für nullrückstellung in einer chronographenuhr |
EP00810240A EP1136894B1 (fr) | 2000-03-20 | 2000-03-20 | Dispositif de retour à zéro d'un chronographe |
DE60031236T DE60031236D1 (de) | 2000-03-20 | 2000-03-20 | Vorrichtung für Nullrückstellung in einer Chronographenuhr |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00810240A EP1136894B1 (fr) | 2000-03-20 | 2000-03-20 | Dispositif de retour à zéro d'un chronographe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1136894A1 true EP1136894A1 (fr) | 2001-09-26 |
EP1136894B1 EP1136894B1 (fr) | 2006-10-11 |
Family
ID=8174609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00810240A Expired - Lifetime EP1136894B1 (fr) | 2000-03-20 | 2000-03-20 | Dispositif de retour à zéro d'un chronographe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1136894B1 (fr) |
AT (1) | ATE342526T1 (fr) |
DE (1) | DE60031236D1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1406132A1 (fr) * | 2002-10-04 | 2004-04-07 | ETA SA Manufacture Horlogère Suisse | Mécanisme d'embrayage de chronographe |
EP1462882A2 (fr) * | 2003-03-27 | 2004-09-29 | Seiko Instruments Inc. | Montre chronographe ayant une bascule de couplage heure/minute |
EP2410388A1 (fr) * | 2010-07-21 | 2012-01-25 | Blancpain S.A. | Pièce d'horlogerie à double affichage |
EP2541346A2 (fr) | 2011-06-29 | 2013-01-02 | Rolex S.A. | Dispositif de remise dans une position prédéterminée d'un organe indicateur d'une grandeur liée au temps |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1412340A (en) * | 1972-03-15 | 1975-11-05 | Ebauches Sa | Chronograph timepiece |
EP0772104A1 (fr) * | 1995-10-31 | 1997-05-07 | Montres Rolex Sa | Pièce d'horlogerie à mécanisme de chronographe |
-
2000
- 2000-03-20 DE DE60031236T patent/DE60031236D1/de not_active Expired - Lifetime
- 2000-03-20 AT AT00810240T patent/ATE342526T1/de not_active IP Right Cessation
- 2000-03-20 EP EP00810240A patent/EP1136894B1/fr not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1412340A (en) * | 1972-03-15 | 1975-11-05 | Ebauches Sa | Chronograph timepiece |
EP0772104A1 (fr) * | 1995-10-31 | 1997-05-07 | Montres Rolex Sa | Pièce d'horlogerie à mécanisme de chronographe |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1406132A1 (fr) * | 2002-10-04 | 2004-04-07 | ETA SA Manufacture Horlogère Suisse | Mécanisme d'embrayage de chronographe |
SG107155A1 (en) * | 2002-10-04 | 2004-11-29 | Eta Sa Mft Horlogere Suisse | Chronograph coupling mechanism |
US7021818B2 (en) | 2002-10-04 | 2006-04-04 | Eta Sa Manufacture Horlogère Suisse | Chronograph coupling mechanism |
KR100972914B1 (ko) | 2002-10-04 | 2010-07-28 | 에타 쏘시에떼 아노님 마누팍투레 홀로게레 스위세 | 크로노그래프 연결기구 |
EP1462882A2 (fr) * | 2003-03-27 | 2004-09-29 | Seiko Instruments Inc. | Montre chronographe ayant une bascule de couplage heure/minute |
EP1462882A3 (fr) * | 2003-03-27 | 2006-01-04 | Seiko Instruments Inc. | Montre chronographe ayant une bascule de couplage heure/minute |
CN102346426A (zh) * | 2010-07-21 | 2012-02-08 | 布朗潘有限公司 | 双显示器钟表 |
WO2012010392A2 (fr) | 2010-07-21 | 2012-01-26 | Blancpain Sa | Pièce d'horlogerie à double affichage |
EP2410388A1 (fr) * | 2010-07-21 | 2012-01-25 | Blancpain S.A. | Pièce d'horlogerie à double affichage |
JP2012027023A (ja) * | 2010-07-21 | 2012-02-09 | Blancpain Sa | デュアルディスプレイ時計 |
WO2012010392A3 (fr) * | 2010-07-21 | 2012-04-26 | Blancpain Sa | Pièce d'horlogerie à double affichage |
CN102346426B (zh) * | 2010-07-21 | 2013-08-14 | 布朗潘有限公司 | 双显示器钟表 |
KR101375452B1 (ko) * | 2010-07-21 | 2014-03-17 | 불랑패인쏘시에떼아노님 | 이중 디스플레이 시계 |
US8848488B2 (en) | 2010-07-21 | 2014-09-30 | Blancpain S.A. | Dual display timepiece |
EP2541346A2 (fr) | 2011-06-29 | 2013-01-02 | Rolex S.A. | Dispositif de remise dans une position prédéterminée d'un organe indicateur d'une grandeur liée au temps |
US9146541B2 (en) | 2011-06-29 | 2015-09-29 | Rolex S.A. | Device for resetting to a predetermined position an indicator member indicative of a parameter connected with time |
EP3800515A1 (fr) | 2011-06-29 | 2021-04-07 | Rolex Sa | Dispositif de remise dans une position prédéterminée d'un organe indicateur d'une grandeur liée au temps |
Also Published As
Publication number | Publication date |
---|---|
DE60031236D1 (de) | 2006-11-23 |
EP1136894B1 (fr) | 2006-10-11 |
ATE342526T1 (de) | 2006-11-15 |
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