发明名称 Positioning device for eyeglasses having bifocal lenses
摘要 A device positioned on the nose of a wearer of eyeglasses with bifocal lenses having the lens lower parts corrected for near vision. The device includes a housing that defines a nose cavity having an inner surface defining a matrix for receiving the upper nose portion of the nose of the wearer of the eyeglasses. The housing positions the lens bridge above the nose of the wearer so that the bifocal lenses are also raised relative to the eyes of the wearer, whereby when the sight lines of the wearer are directed in a generally horizontal direction, the sight lines are aligned through the lens lower parts. The housing includes a convex surface for supporting the lens bridge and the inner sides of the two lens rims. A keeper structure connected to the housing holds the eyeglasses in position relative to the housing.
申请公布号 US5680193(A) 申请公布日期 1997.10.21
申请号 US19960607336 申请日期 1996.02.26
申请人 EPSTEIN, HARRY 发明人 EPSTEIN, HARRY
分类号 G02C5/12;(IPC1-7):G02C7/06 主分类号 G02C5/12
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