| 摘要 |
PROBLEM TO BE SOLVED: To prevent co-rotating of lenses of rimless spectacles with pin-up components. SOLUTION: In the pin-up structure of the lens (30) and the pin-up component (10) of the rimless spectacles, a surface side (22) of the head of the screw (20) provided in such a manner that the length of the longitudinal width of a tip (11) of the pin-up component attains the length within twice the length up to the the acute projecting part (40) furthest from the center of the screw (20) is fastened to a rear surface (12) or front surface at the tip of the pin-up component and a shank (24) of the screw is passed through a through-hole (31) disposed at the lens end and is tightened up by a nut (50) with a bushing which is a fastening means from the opposite side of the lens. COPYRIGHT: (C)2007,JPO&INPIT
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