| 摘要 |
PROBLEM TO BE SOLVED: To provide rimless spectacles which is reduced in manufacture cost, easy to assemble, and free of play of lenses. SOLUTION: A connection part connecting both the lenses 1 and 1 together and wraparound endpieces 3 and 3 fitted outside the lenses are manufactured by cutting, grinding, or punching metal plates in specified shapes, and sleeves 7 and 7 with resin-made collars are fitted in lens holes 6 and 6; and pins 8 and 8 provided to the connection member 2 and wraparound endpieces 3 and 3 are fitted in holes of the sleeves 7 and 7 with the collars and saw teeth formed on the pins 8 and 8 bite in internal surfaces, so that the pins will not come out. COPYRIGHT: (C)2004,JPO&NCIPI
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