| 摘要 |
PROBLEM TO BE SOLVED: To provide front attachment type spectacles, in which the replacement operation of a magnet is facilitated. SOLUTION: In the spectacles 20, having a main spectacle frame 22 for holding main lenses 21 and 21 and sub lenses 27 and 27 provided detachably on the front side of the main spectacle frame 22, a detachable mechanism 1 is composed of an attractor 2 and an attracted body 8, in which the attractor 2 is used for a screwing body for fixing the lens of the main spectacle frame 22, and in which the attracted body 8 is provided to the part of each sub lens 27 corresponding to the attracting body 2. The attractor 2 is composed of a screw, consisting of a magnetic material or a nonmagnetic material and the magnet detachable from the screw. The attracted body 8 is composed of a disk consisting of the magnetic material. The sub lens 27 is detached from the main spectacle frame 22, by attracting/separating the screw of the attractor 2 and the disk of the body 8 to be attracted. COPYRIGHT: (C)2005,JPO&NCIPI
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