发明名称 COLLAPSIBLE GLASSES FRAMES
摘要 Disclosed is a collapsible glasses frame having fronts which are spread when used and collapsible when not used, comprising a mechanism for setting a pad member into a predetermined position when the fronts are spread for use, and a mechanism for shifting the pad member when said fronts are folded up, thus enabling the glasses frame to be made more compact.
申请公布号 US5225857(A) 申请公布日期 1993.07.06
申请号 US19910705529 申请日期 1991.05.24
申请人 NIKON CORPORATION 发明人 SAKAMOTO, KAZUYUKI
分类号 G02C5/00;G02C5/04;G02C5/08;G02C5/12 主分类号 G02C5/00
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