| 摘要 |
PROBLEM TO BE SOLVED: To provide a connecting structure which is made extremely simple, saves the labor of assembly work of spectacles, eliminates the projections, such as nuts and screw tips, on the rear surfaces of lenses and prevents an injury by forming the structure obtained by fitting resin bushings into formed holes and fitting connecting members and pins disposed at wraparound endpieces into these bushing holes. SOLUTION: The lens 1 is provided with the lens hole 5 and has the bushing 6 to be fitted into this lens hole. The pin 7 is fitted into the hole of the bushing 6. A notched groove 8 is formed in part of the lens hole 5 so as to prevent the rotation of the bushing 6. The outer periphery of the bushing has a projecting piece 9 to be fitted into the notched groove 8. The pin 7 to be fitted into the hole of the bushing 6 is formed integrally with the wraparound endpiece 3. The cross section of the pin 7 is formed to an approximately rectangular shape to prevent the rotation of the wraparound endpiece 3 and the pin fits into the hole formed in the central shaft part of the bushing 6. This structure is made the same between the connecting member and the lens 1 as well. The pin 7 is integrally formed at both ends of the connecting member and this pin 7 fit into the hole of the bushing 6 fitted into the lens hole 5 by which the lens and the bushing 6 are connected.
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