发明名称 Lens cap
摘要 <p>A lens cap assembly includes a hood device 300, a connecting ring 200 and a ferrule device 100. The connecting ring is used to rotationally connect the hood device to a barrel of a lens assembly. The ferrule device is movable between a shrunk position and an expanded 5 position. In the shrunk position, the ferrule device prevents the hood device from rotation on the barrel. In the expanded position, the ferrule device allows the rotation of the hood device on the barrel.</p>
申请公布号 GB2520707(A) 申请公布日期 2015.06.03
申请号 GB20130020979 申请日期 2013.11.28
申请人 CHUNG JEN CHANG 发明人 CHUNG JEN CHANG
分类号 G03B11/04 主分类号 G03B11/04
代理机构 代理人
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