发明授权
- 专利标题： Electromagnetic driving source for shutter
- 专利标题（中）： 快门电磁驱动源
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申请号： US216431申请日： 1980-12-15
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公开(公告)号： US4351596A公开(公告)日： 1982-09-28
- 发明人: Takehiko Ohniwa , Syuichiro Saito
- 申请人： Takehiko Ohniwa , Syuichiro Saito
- 申请人地址： JPX Tokyo JPX Saitama
- 专利权人： Canon Kabushiki Kaisha,Canon Denshi Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha,Canon Denshi Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo JPX Saitama
- 优先权： JPX54-175841[U] 19791219
- 主分类号： G03B7/00
- IPC分类号： G03B7/00 ; G03B9/08 ; G03B9/10 ; G03B9/00
摘要：
A moving coil type electromagnetic driving source designed to obtain reliable contact between slide pieces and current supply brushes for supplying current to the moving coil wherein each slide piece is provided with grooves having two inclined surfaces opposed to each other, with an elastic brush having a circular or semi-circular section being provided for each groove such that the brush is in contact with the groove at two points.
公开/授权文献
- USD315299S Combined bottle and cap 公开/授权日：1991-03-12
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