| 摘要 |
A rimless eyeglasses lens-installing apparatus, a connector connects a lens to a lug and a fastening tool fixed the lens and the connector to each other. The fastening tool has a first fastening member and a second fastening member. A metal insertion member having a threaded hole formed thereon is disposed in an internal portion of the first fastening member by insert molding. An outer threaded portion of the first fastening member engages a threaded portion of a lens through-hole. The threaded portion of the second fastening member is screwed into the threaded hole of the insertion member. A portion of the first fastening member projecting from a rear surface of the lens is cut off appropriately.
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