EP0871095A1 - Dispositif d'affichage à seconde foudroyante - Google Patents
Dispositif d'affichage à seconde foudroyante Download PDFInfo
- Publication number
- EP0871095A1 EP0871095A1 EP97105745A EP97105745A EP0871095A1 EP 0871095 A1 EP0871095 A1 EP 0871095A1 EP 97105745 A EP97105745 A EP 97105745A EP 97105745 A EP97105745 A EP 97105745A EP 0871095 A1 EP0871095 A1 EP 0871095A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- star
- lever
- teeth
- positions
- finger
- 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
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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
Definitions
- the present invention relates to a device display with a lightning second and more particularly such a device comprising a mechanism allowing the starting, stopping and zeroing a needle of a lightning second.
- the lightning second hand is carried by a mobile comprising a pinion surmounted by two wolf tooth stars.
- the pinion is engaged with a cog leading to a motor barrel and providing drive energy to the second hand lightning.
- the lower star which is chased on the mobile shaft has the function of stopping the needle.
- the upper star is freely mounted on the shaft of the mobile and is placed in the same plane as a tooth wheel of wolf chased on the shaft of the escape wheel with which it cooperates with.
- the wheel secured to the wheel shaft exhaust immobilizes the upper star and releases it on the next oscillation.
- the upper star is also linked to the lower star by a pin driven into this last and crossing an oblong opening made in the upper star.
- the second hand lightning, integral with the lower star also an eighth of a turn, in the example mentioned above.
- stopping the rotation of the needle is made using the end of a rocker which engages inside the circle traversed by the tip of the teeth of the lower star in response to pressure on an external pusher, in the position stop, the upper star being outside the circumference of the integral wheel which is the wheel exhaust so that it can continue its rotation. Additional pressure on the pusher outside again releases the lower star and allows the lightning needle to continue its rotation above of the dial to which it is associated until the pressure next.
- the invention relates to a device for second lightning including a mobile having a pinion connected to a PTO, a first solidary star in rotation of said pinion and a second star mounted free to rotate relative to the first star, and cooperating with a control wheel driven by a anchor escapement so that whenever the wheel exhaust stops on the rest of a lift of the anchor, said control wheel immobilizes the second star and releases it on the next oscillation, the second star being linked to the first star by a pin chased into one of said stars and crossing a oblong opening made in the other of said stars, the device further comprising a rocker fitted with a finger and designed to occupy two positions, one first position, called stop, in which said finger is engaged in the circle traversed by the tip of said teeth of said first star and a second position, said to be walking, in which said finger is entirely released from the teeth of the first star, both positions being determined by control means.
- the lightning second device comprises a mobile 2 whose shaft 4 carries a lightning second hand 6 two wolf-toothed stars 8, 10 and a pinion 12.
- the needle 6 moves above a dial 14 partially shown in Figure 4 and omitted in the figures 1 to 3.
- the pinion 12, in engagement with a wheel 16 of a train of gear resulting in a PTO such as a barrel (not shown) is integral with the shaft 4, by example chased on the latter.
- the barrel will be preferably an auxiliary barrel to the main barrel of the movement.
- the first control mechanism 26 comprises a wheel column 30 which pivots on a screw 32 secured to the movement.
- the wheel 30 comprises, conventionally, in its lower part a ratchet 34 whose tooth toothing wolf cooperates with a jumper spring 36 which holds the wheel 30 in a stable position.
- wheel 30 includes spaced apart columns 38 regularly along a circle. These columns define a toothing whose apex of the teeth or columns has a curved face 40.
- the spout 24b is substantially in the same plane as columns 38 and cooperates with them by following the profile defined by the teeth so that it sits either on one of the curved faces 40 either in a space between two columns neighbors.
- the column wheel 30 is rotated by a lever 44 articulated in L on the movement and associated with an external pusher 46 (partially shown) which can press on part 44a of the lever provided for this effect, for example a tongue raised 90 ° from at the plane of the lever 44.
- the lever 44 comprises a finger 44b actuator which acts on the ratchet teeth 34 for step by step wheel 30 in response to pressure manual on pusher 46.
- Lever 44 is also associated with a spring 48 which, in the absence of pressure on the pusher 46, recalls the lever 44 in a position in which the finger 44b is released from the teeth of the ratchet 34.
- the lever 44 also includes in its part upper oblong groove R which cooperates with a pin G secured to the movement in order to determine the angular stroke of the lever.
- the second mechanism 28 which determines the third position of flip-flop 22, called zero-setting position of the lightning second hand 6, includes a control 50 mobile between two positions, one active the other inactive.
- the control member 50 is formed in the example describes a blade which slides on the surface of the movement.
- a first end of the blade 50 comprises a tongue 52 raised 90 ° relative to the plane of the movement, this tab being provided to cooperate with an external pusher 54.
- the second end of the blade 50 has a nose 56 whose end face 56a is intended to act on the beak 24c of the rocker in response to an action on the pusher 54.
- the blade 50 is also guided to the surface of the movement through two pins 58 integral with the movement and cooperating each with an oblong groove 60 formed in the blade 50.
- the blade 50 is associated with a spring 62 which, in the absence of pressure on the pusher 54 recalls the blade 50 in the inactive position in which the nose 56 is released from the spout 24c ( Figure 1).
- the third position of the rocker 22 controlled by the blade 50 is an intermediate position ( Figure 3) between the first (figure 1) and the second position (figure 2) and corresponds to the active position of the blade 50.
- the finger 24a is released from the teeth short 8b of star 8 but is engaged inside the circle traversed by the tip of the long tooth 8a. So the star 8 can be retained in a determined position which corresponds to the position in which the needle 6 is next to the zero index indicated on the dial 14 in response to actuation of the pusher 54.
- the second way is to bring needle 6 into look at the zero index of dial 14.
- the end face 56a of the nose 56 comes into contact with the beak 24c which slides on this face until the beak passes on a lateral face 56b of the nose 56, this state corresponding to the end of the blade stroke 58.
Abstract
Description
- les figures 1 à 3 sont des vues en plan montrant un mouvement d'horlogerie équipé d'un dispositif d'affichage à seconde foudroyante selon l'invention, le dispositif étant représenté respectivement en position de marche, d'arrêt et de mise à zéro; et
- la figure 4 est une coupe selon la ligne IV-IV de la figure 1.
Claims (5)
- Dispositif à seconde foudroyante comprenant un mobile ayant un pignon relié à une prise de force, une première étoile solidaire en rotation dudit pignon et une deuxième étoile montée libre en rotation par rapport à la première étoile, et coopérant avec une roue de commande entraínée par un échappement à ancre de sorte que chaque fois que la roue d'échappement s'arrête sur le repos d'une levée de l'ancre, ladite roue de commande immobilise la deuxième étoile et la libère à l'oscillation suivante, la deuxième étoile étant liée à la première étoile par une goupille chassée dans l'une desdites étoiles et traversant une ouverture oblongue pratiquée dans l'autre desdites étoiles, le dispositif comprenant en outre une bascule munie un doigt et prévue pour occuper deux positions, une première position, dite d'arrêt, dans laquelle ledit doigt est engagé dans le cercle parcouru par la pointe desdites dents de ladite première étoile et une deuxième position, dite de marche, dans laquelle ledit doigt est entièrement dégagé de la denture de la première étoile, les deux positions étant déterminées par des moyens de commande, caractérisé en ce que la première étoile comprend au moins une dent ayant une longueur supérieure à celle des autres dents et en ce que la bascule est prévue pour occuper une troisième position dans laquelle ledit doigt est dégagé desdites autres dents et est engagé à l'intérieur du cercle parcouru par la pointe de la dent de plus grande longueur de façon à retenir cette étoile dans une position correspondant à une position zéro du dispositif.
- Dispositif selon la revendication 1 caractérisé en ce que les moyens de commande comprennent un premier mécanisme déterminant les première et deuxième positions et un deuxième mécanisme déterminant la troisième position.
- Dispositif selon la revendication 2, caractérisée en ce que le premier mécanisme comprend une roue à colonnes commandé par le bec d'un levier et en ce que le deuxième mécanisme comprend un organe de commande mobile entre au moins deux positions.
- Dispositif selon la revendication 2 ou 3, caractérisé en ce que la bascule comprend trois bras et en ce que le premier et le deuxième mécanismes coopèrent avec deux des trois bras de ladite bascule.
- Dispositif selon la revendication 3 ou 4, caractérisé en ce que le levier et l'organe de commande sont chacun associés d'une part à un poussoir extérieur destiné à être actionné manuellement et d'autre part à des moyens de rappel dans une position dans laquelle ils ne sont pas en contact avec lesdits bras de la bascule.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19970105745 EP0871095B1 (fr) | 1997-04-08 | 1997-04-08 | Dispositif d'affichage à seconde foudroyante |
DE1997614700 DE69714700T2 (de) | 1997-04-08 | 1997-04-08 | Anzeigevorrichtung mit springendem Sekundenzeiger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19970105745 EP0871095B1 (fr) | 1997-04-08 | 1997-04-08 | Dispositif d'affichage à seconde foudroyante |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0871095A1 true EP0871095A1 (fr) | 1998-10-14 |
EP0871095B1 EP0871095B1 (fr) | 2002-08-14 |
Family
ID=8226673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970105745 Expired - Lifetime EP0871095B1 (fr) | 1997-04-08 | 1997-04-08 | Dispositif d'affichage à seconde foudroyante |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0871095B1 (fr) |
DE (1) | DE69714700T2 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1359479A1 (fr) * | 2002-05-02 | 2003-11-05 | Zenith International SA | Pièce d'horlogerie à seconde foudroyante |
EP2602675A1 (fr) * | 2011-12-08 | 2013-06-12 | ETA SA Manufacture Horlogère Suisse | Mouvement horloger comportant un mécanisme de chronographe à roue à colonnes |
DE102008000540B4 (de) * | 2007-03-09 | 2014-02-06 | Richemont International S.A. | Chronograph |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH209683A (fr) * | 1939-02-03 | 1940-04-30 | Jacot Guyot Henri | Mécanisme de chronographe. |
-
1997
- 1997-04-08 DE DE1997614700 patent/DE69714700T2/de not_active Expired - Lifetime
- 1997-04-08 EP EP19970105745 patent/EP0871095B1/fr not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH209683A (fr) * | 1939-02-03 | 1940-04-30 | Jacot Guyot Henri | Mécanisme de chronographe. |
Non-Patent Citations (1)
Title |
---|
LECOULTRE: "MONTRES COMPLIQUEES", 1943, EDITIONS A.SIMONIN, NEUCHATEL,SUISSE, XP000673816 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1359479A1 (fr) * | 2002-05-02 | 2003-11-05 | Zenith International SA | Pièce d'horlogerie à seconde foudroyante |
WO2003093908A2 (fr) * | 2002-05-02 | 2003-11-13 | Zenith International Sa | Piece d'horlogerie a seconde foudroyante |
WO2003093908A3 (fr) * | 2002-05-02 | 2004-02-26 | Zenith Internat Sa | Piece d'horlogerie a seconde foudroyante |
DE102008000540B4 (de) * | 2007-03-09 | 2014-02-06 | Richemont International S.A. | Chronograph |
EP2602675A1 (fr) * | 2011-12-08 | 2013-06-12 | ETA SA Manufacture Horlogère Suisse | Mouvement horloger comportant un mécanisme de chronographe à roue à colonnes |
JP2013120190A (ja) * | 2011-12-08 | 2013-06-17 | Eta Sa Manufacture Horlogere Suisse | コラムホイールを備えるクロノグラフ機構、及びこれを含む時計ムーブメント |
US8882338B2 (en) | 2011-12-08 | 2014-11-11 | Eta Sa Manufacture Horlogere Suisse | Chronograph mechanism with a column wheel and timepiece movement including the same |
Also Published As
Publication number | Publication date |
---|---|
EP0871095B1 (fr) | 2002-08-14 |
DE69714700D1 (de) | 2002-09-19 |
DE69714700T2 (de) | 2003-04-10 |
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