Chronograph mechanism, timepiece movement and timepiece comprising such a mechanism

一种计时器、秒表的技术，应用在机芯尺寸、机械驱动的钟、测量时间间隔的装置等方向，能够解决复杂等问题
CN101464655AInactive Publication Date: 2009-06-24FRANCK MULLER WATCH LAND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FRANCK MULLER WATCH LAND
Publication Date
2009-06-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a chronograph stopwatch mechanism comprising at least one minutes counter (20), and one hours counter (30) which are located both on the same side of the plate, first and second resetting members (23,33,42,43) each having a bearing surface and being able to pivot between a low position, in which each bearing surface cooperates with the periphery of a resetting cam (22,32) of one of the counters, and a high position, in which each bearing surface is located at a distance from the corresponding cam. The mechanism comprises retaining means (48, 50, 60) for keeping each of the resetting members in its high position, comprising a first retaining member (48, 50) acting directly on a first resetting member (42) and able to be released in response to an action by a user, and a second retaining member (60) acting directly on the second resetting member(43) and able to be released in response to a pivoting of the first resetting member (42) in the direction of its low position.
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Description

technical field

[0001] The invention relates to a chronograph stopwatch mechanism of a mechanical or automatic chronograph movement. The invention relates in particular to such a mechanism mountable on a chronograph movement plate, said plate having a bridge side and a dial side, the chronograph mechanism comprising a minute counter and an hour counter, both located on same side of the board.

[0002] The chronograph mechanism also includes first and second reset members, each member having a bearing surface mounted for rotation about the plate between a low position and a high position, in which each bearing surface is in contact with the The periphery of a reset cam of a counter cooperates, and in the high position, each bearing surface is located at a certain distance from the corresponding cam. The chronograph mechanism also includes fixing means for holding each return member in its high position, and elastic means arranged to rotate the return members towards their res...

Claims

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