发明授权
- 专利标题: Watch hand drive shaft structure
- 专利标题(中): 手表驱动轴结构
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申请号: US807456申请日: 1985-12-10
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公开(公告)号: US4626109A公开(公告)日: 1986-12-02
- 发明人: Wolfgang Kroener
- 申请人: Wolfgang Kroener
- 申请人地址: DEX Pforzheim
- 专利权人: Pforzheimer Uhren Rohwerke Porta GmbH
- 当前专利权人: Pforzheimer Uhren Rohwerke Porta GmbH
- 当前专利权人地址: DEX Pforzheim
- 优先权: DEX8436089[U] 19841210
- 主分类号: G04B11/00
- IPC分类号: G04B11/00 ; G04B29/00
摘要:
In a drive shaft arrangement for a timepiece provided with a minute shaft for carrying a minute hand and an hour sleeve disposed on the minute shaft for carrying an hour hand, the minute shaft is provided with a collar and carries on one side of the collar a minute gear and a pinion gear for rotation with the minute shaft and on the other side the hour sleeve which is provided with an hour gear. The hour gear has a pan-shaped cavity formed in its face adjacent the collar and a Belleville spring is disposed in the pan-shaped cavity so as to abut with its outer circumference the cavity wall and with its radially inner end the collar.
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