发明名称 |
STRUCTURE OF ZOOM LENS BARREL EMPLOYING DOUBLE HELICOID RING |
摘要 |
PURPOSE: A structure of zoom lens barrel employing double helicoid ring is provided to smooth the zooming operating and streamline the structure while maintaining high magnifying power. CONSTITUTION: In a structure of zoom lens barrel, a double helicoid ring(30) includes a barrel(10) fixed to the camera body and two helicoids(39,36). The helicoid ring(30) is set up and rotates inside the fixed barrel(10). A front-end lens supporter(60) and a back-end lens supporter(50) are connected to the two helicoids(39,36) respectively through screws. The front-end lens supporter(60) and the back-end lens supporter(50) respectively are guided by a guide having a cam on the path between the front-end lens supporter(50) and the second helicoid(36).
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申请公布号 |
KR20010035789(A) |
申请公布日期 |
2001.05.07 |
申请号 |
KR19990042525 |
申请日期 |
1999.10.02 |
申请人 |
SAMSUNG TECHWIN CO., LTD. |
发明人 |
CHO, NAE JIN;CHOI, SEUNG UK;KIM, SEONG TAE |
分类号 |
G02B15/16;(IPC1-7):G02B15/16 |
主分类号 |
G02B15/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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