发明名称 Spectacles having pivotable lens covers
摘要 The present invention provides a pair of spectacles comprising a pair of lenses held by the respective lens frames, a side extending backwardly from each of said lens frames and balancing means for eliminating or reducing the load on the nose of a user. Therefore, the spectacles of the present invention requires no or substantially no bridge means for supporting the weight of the spectacles on the nose of the user.
申请公布号 US5218384(A) 申请公布日期 1993.06.08
申请号 US19910803273 申请日期 1991.12.05
申请人 NAKAMATS, YOSHIRO 发明人 NAKAMATS, YOSHIRO
分类号 G02C3/00;G02C5/00;G02C11/00;G02C11/02 主分类号 G02C3/00
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