发明名称 |
Lens barrel for camera having lens and camera displacing mechanisms on respective sides of stationary supporting structure |
摘要 |
According to the invention, a helicoid mechanism is provided at each side of a supporting member of the lens barrel fixed by a tripod seat or the like, the front one being intended for effecting the displacement of the lens while the rear one being intended for displacing the camera, whereby a larger stroke of the lens displacement which is materially twice the conventional one is obtained with machining precision of conventional helicoid means.
|
申请公布号 |
US4148562(A) |
申请公布日期 |
1979.04.10 |
申请号 |
US19770793880 |
申请日期 |
1977.05.04 |
申请人 |
KONISHIROKU PHOTO INDUSTRY CO., LTD. |
发明人 |
SAWANO, HIROSHI |
分类号 |
G02B7/04;(IPC1-7):G02B7/04;G03B3/04;G03B13/18 |
主分类号 |
G02B7/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|