| 摘要 |
PROBLEM TO BE SOLVED: To provide a new detaching mechanism for simply attaching and tightly holding lenses. SOLUTION: The detaching mechanism has detaching members fixed near both ends of the main lenses of spectacles and comprising first enlargement parts which protrude ahead from the main lenses of the spectacles and second enlargement parts positioned backward from the first enlargement parts, and in order to attach auxiliary lenses to the detaching members, the auxiliary lenses have holes or notches in which the first enlargement parts can intrude in correspondence with the respective detaching members. The inner edge of each hole is set between the first enlargement part and the second enlargement part of each detaching member and movement of each auxiliary lens is blocked by the first enlargement part and the second enlargement part. COPYRIGHT: (C)2004,JPO
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