发明名称 Lens barrel
摘要 A lens barrel includes a fixed lens tube of cylindrical shape and a plurality of operation parts of push type, wherein the plurality of operation parts are interconnected by a ring-shaped elastic member and are attached to the fixed lens tube. This structural arrangement of the lens barrel effectively simplifies assembly processes in the manufacture of lens barrels.
申请公布号 US6377408(B1) 申请公布日期 2002.04.23
申请号 US19990456176 申请日期 1999.12.07
申请人 CANON KABUSHIKI KAISHA 发明人 SHINOHARA MITSURU
分类号 G02B7/04;(IPC1-7):G02B7/02 主分类号 G02B7/04
代理机构 代理人
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