| 摘要 |
PURPOSE: A fixture of a connection reducer between spectacles body and a bow spring member is provided to prevent a loose wearing of spectacles by inserting a screw into a fixing screw groove which is formed at the connection reducer. CONSTITUTION: A reducer(7) supports and connects a spectacles body(2) and a bow spring member(3). A fixing screw insertion groove(5) is formed at the reducer(7). A female screw groove(8) is dug in the fixing screw insertion groove(5). A fixing screw(4) is inserted and fixed into the female screw groove(8). A spring is installed at an inside of the reducer(7) and has a click function. Gears are inserted and fixed into grooves, respectively. A female screw groove(8) is formed at the reducer(7). The female screw groove(8) is fixed by a male screw(4) so that a loose wearing of spectacles are prevented.
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