| 摘要 |
PURPOSE: A connection part connection structure of rimless spectacles is provided to prolong a usage lifetime and to increase product quality. CONSTITUTION: A body(34) is prolonged from a hook rim(32) on bolts(14) of a nose leg(20) and a spectacle leg. Protection tubes(26) are constituted to be extended by a cut part(36) in one side and are inserted into nuts(30) having a conical extension part(38) on one side. The connection part is combined to connection holes(4) of a lens(10). And if the nuts(30) are tightened, the protection tubes are open and the connection structure is inserted between the connection holes and the nuts.
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