EP1668429A1 - Mecanisme de commande des fonctions d'un mouvement de montre - Google Patents
Mecanisme de commande des fonctions d'un mouvement de montreInfo
- Publication number
- EP1668429A1 EP1668429A1 EP04761887A EP04761887A EP1668429A1 EP 1668429 A1 EP1668429 A1 EP 1668429A1 EP 04761887 A EP04761887 A EP 04761887A EP 04761887 A EP04761887 A EP 04761887A EP 1668429 A1 EP1668429 A1 EP 1668429A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rocker
- cam
- wheel
- mechanism according
- trigger
- 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
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
- G04B19/00—Indicating the time by visual means
- G04B19/02—Back-gearing arrangements between gear train and hands
-
- 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
- G04B13/00—Gearwork
- G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
- G04B13/003—Gearwork where rotation in one direction is changed into a stepping movement with a step for each complete revolution
-
- 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
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands
Definitions
- the present invention relates to movements of mechanical or electromechanical timepieces. It relates, more particularly, to a mechanism for controlling the functions of such parts.
- the present invention aims to respond to such a wish.
- the invention provides a mechanism for controlling the functions of a timepiece, which comprises: - a driving wheel actuated by the movement of the piece, - a circular cam coupled to a function member, - a first rocker carrying a wheel and capable of occupying first and second positions for which a kinematic connection is respectively made or not made between the driving wheel, this rocker wheel and the cam, and - trigger means capable of cyclically setting said rocker in its first and second positions.
- the triggering means comprise a second rocker actuating the first rocker and a trigger actuated cyclically by the movement and actuating the second rocker.
- a driving wheel itself driven clockwise from a barrel (not shown), typically at the rate of one revolution per hour.
- the tooth 14 is positioned and shaped so as to be able to mesh with the teeth of a circular cam 16 concentric with the semicircular portion 13.
- the cam 16 has thirty-one teeth .
- the rocker wheel 15 is positioned and shaped so as to be able to mesh with the wheel 10. It will be noted that the axis 12 of the rocker 11, the axis of the cam 16 and the axis of the rocker wheel 15 are substantially aligned.
- the circular cam 16 is linked, below it, to a wheel of the same axis 17 permanently meshing with the rocking wheel 15 and carrying a needle 18 moving on a dial (not shown) to designate the thirty- and- a calendar of the month.
- the sickle rocker 11 is associated with a spring 19 which, with the help of a stud 20, works so as to bring the semi-circle portion 13 closer to the cam 16.
- a second lever 21, pivotally mounted on the first lever 11 around an axis 22, is provided with three arms 23, 24 and 25.
- the first arm 23 ends with a tooth 26 positioned and shaped so as to cooperate with the periphery of the cam 16, with an offset such that this tooth and the tooth 14 of the first rocker 11 are never both engaged with drug.
- the second and third arms 24 and 25 form a sort of fork opposite the first arm 23.
- the second arm 24 is arranged so as to cooperate with a finger 27 driven clockwise by a trigger mobile 28 which, in the embodiment shown, is itself driven, from the barrel, at the rate of one revolution ! per day.
- the third arm 25 is positioned and shaped so as to limit the movements of the rocker 21 coming into abutment against the cam 16.
- FIGS. 1, 2, 3, 4 and 5 To describe the way in which the mechanism according to the invention operates, reference will be made successively to FIGS. 1, 2, 3, 4 and 5.
- the mechanism is at rest, because the finger 27 of the trigger 28 has not yet attacked the arm 24 of the second rocker 21. In this state, the tooth 14 of the first rocker 11 immobilizes the cam 16 and the rocker wheel 15 is kept away from the wheel 10. The tooth 26 of the second lever 21 is not engaged with the cam 16. The hand 18 indicates the date of the day.
- the finger 27 is on the end of the arm 24.
- the second rocker 21 thus reaches its highest point at the same time as its tooth 26 very momentarily engages the cam 16 which has very slightly turned .
- the trigger 28 having continued its rotation, the rocker 21 is thus released and its arm 24 escapes the finger 27.
- the needle 18 therefore continues its rotation.
- This pivoting has the simultaneous effect of blocking the cam 16 and disengaging the rocking wheel 15 from the driving wheel 10.
- the needle 18 thus comes to a stop in its new position where it indicates the date of the day which begins.
- the mechanism returns to its initial position corresponding to FIG. 1. A new cycle will resume, approximately 24 hours later, when the driving finger 27 again attacks the second lever 21.
- cams 31 and 32 can be used, such as, for example, a twelve-tooth cam 30 which makes it possible to produce a jumping hour display.
- the trigger mobile 28 will have to be driven at the rate of one revolution per hour.
- the teeth of the cam are spaced irregularly, as illustrated by cams 31 and 32.
- a sixty-tooth cam 33 associated with a trigger mobile 28 making one revolution per hour, provides a display with jumping minutes.
- the present invention is not limited to the case of a needle display. It is, in fact, easy to imagine that the wheel 17, instead of carrying the needle 18, could also cause, by means of an appropriate gear, any other function or display member, such as an indicator disc. date.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0310762A FR2859798B1 (fr) | 2003-09-12 | 2003-09-12 | Mecanisme de commande des fonctions d'un mouvement de montre |
PCT/CH2004/000547 WO2005026850A1 (fr) | 2003-09-12 | 2004-08-30 | Mecanisme de commande des fonctions d'un mouvement de montre |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1668429A1 true EP1668429A1 (fr) | 2006-06-14 |
EP1668429B1 EP1668429B1 (fr) | 2007-03-14 |
Family
ID=34203418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04761887A Expired - Lifetime EP1668429B1 (fr) | 2003-09-12 | 2004-08-30 | Mecanisme de commande des fonctions d'un mouvement de montre |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1668429B1 (fr) |
DE (1) | DE602004005353T2 (fr) |
FR (1) | FR2859798B1 (fr) |
WO (1) | WO2005026850A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE205445C (fr) * | ||||
CH41619A (fr) * | 1907-11-04 | 1908-11-02 | Sandoz Boucherin A | Mécanisme de mise à l'heure pour montres sans aiguilles |
CH483974A4 (fr) * | 1974-04-05 | 1976-03-15 | ||
ATE447732T1 (de) * | 2001-12-13 | 2009-11-15 | Piguet Frederic Sa | Uhr mit springenden stunden und mechanismus zum schnellen wechsel von zeitzonen |
-
2003
- 2003-09-12 FR FR0310762A patent/FR2859798B1/fr not_active Expired - Fee Related
-
2004
- 2004-08-30 DE DE602004005353T patent/DE602004005353T2/de not_active Expired - Lifetime
- 2004-08-30 WO PCT/CH2004/000547 patent/WO2005026850A1/fr active IP Right Grant
- 2004-08-30 EP EP04761887A patent/EP1668429B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2005026850A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE602004005353D1 (de) | 2007-04-26 |
DE602004005353T2 (de) | 2007-11-29 |
EP1668429B1 (fr) | 2007-03-14 |
WO2005026850A1 (fr) | 2005-03-24 |
FR2859798B1 (fr) | 2007-10-19 |
FR2859798A1 (fr) | 2005-03-18 |
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