发明授权
- 专利标题: Lens barrel for an automatic focusing system
- 专利标题(中): 用于自动对焦系统的镜筒
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申请号: US219532申请日: 1994-03-29
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公开(公告)号: US5530596A公开(公告)日: 1996-06-25
- 发明人: Kunihiro Fukino , Tsuneo Watanabe
- 申请人: Kunihiro Fukino , Tsuneo Watanabe
- 申请人地址: JPX Tokyo
- 专利权人: Nikon Corporation
- 当前专利权人: Nikon Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX5-073775 19930331
- 主分类号: G02B7/04
- IPC分类号: G02B7/04 ; G02B7/08 ; G02B7/10 ; G02B15/14
摘要:
The lens barrel according to the present invention is provided with a rotating cylinder that rotates around the optical axis of a photographing lens, a lens holding member that holds a photographing lens and travels in the direction of the optical axis by interlocking with the rotation of the rotating cylinder, a traveling member that travels in the same direction as the lens holding member by interlocking with the rotation of the rotating cylinder, and a force applying mechanism provided between the traveling member and the lens holding member which applies force to the lens holding member in the direction of the optical axis in order to eliminate play in the direction of the optical axis between the lens holding member and the rotating cylinder.
公开/授权文献
- US4868391A Infrared lens arrays 公开/授权日:1989-09-19
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