发明名称 Nose pad
摘要 A nose pad has an attachment member for affixation to a pad arm that comprises an apertured plate with a pair of upstanding prongs. The prongs are arranged to engage in a necked portion of the pad arm and the prongs are arranged so that the necked portion may be inserted and twisted in place without the use of any special tools.
申请公布号 US4806009(A) 申请公布日期 1989.02.21
申请号 US19880155975 申请日期 1988.02.16
申请人 THE HILSINGER CORPORATION 发明人 SORDILLO, VINCENT F.;HILSINGER, JR., ARTHUR R.
分类号 G02C5/12;(IPC1-7):G02C5/02 主分类号 G02C5/12
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