发明名称 |
Adjustable bows for loupe frame |
摘要 |
An adjustable loupe frame is provided consisting of telescopic, spring-biased right and left bows and a loupe mounting bracket extending between and joined pivotably to the front ends of telescopic bows. The bows are adjustable to vary the distance between the loupe and the eyes of a viewer, so that an object to be viewed can be focused properly at any time.
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申请公布号 |
US4676609(A) |
申请公布日期 |
1987.06.30 |
申请号 |
US19830555821 |
申请日期 |
1983.11.28 |
申请人 |
MATSUI, SABURO;YOKOYAMA, MASAKAZU |
发明人 |
MATSUI, SABURO |
分类号 |
G02C5/20;G02C7/08;G02C9/00;(IPC1-7):G02C5/20;G02B25/00 |
主分类号 |
G02C5/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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