JPS629227U - |
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| 申请号 | JP6333686 | 申请日 | 1986-04-28 | 公开(公告)号 | JPS629227U | 公开(公告)日 | 1987-01-20 |
| 申请人 | 发明人 | ||||||
| 摘要 | Protective spectacles consisting of a front frame (1), having on its inside a lens-holding groove (4), two sidepieces (2) connected to the front frame (1) by means of four hinge-pins (5) located in the four outside corners, the said sidepieces (2) being fitted with a dovetail-groove having a series of holes (8); two flexible side-arms (3), each fitted with a pin (10) that fits selectively into the adjustment holes (8); and two segments (12) fitting into the groove (4) of the front frame (1), and shaped to fit into rim (4) and to accommodate lenses of smaller diameter. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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