发明名称 |
Attachment for spectacles |
摘要 |
An attachment to assist in holding spectacles on the head of a wearer. The attachment has at least one anchor member to grip the ear pieces of the spectacles and a retaining member, usually a cord, extends from the anchor member or members. A neck band is received around the neck of the wearer and the retaining member is attached to the neck band. One embodiment includes a head strap that extends secure behind the head of a wearer. A further embodiment has a single anchor member to grip both ear pieces and also to act as a head strap.
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申请公布号 |
US4998816(A) |
申请公布日期 |
1991.03.12 |
申请号 |
US19890446481 |
申请日期 |
1989.12.05 |
申请人 |
EGGENBERGER, JEAN-ALBERT;EGGENBERGER, EDITH |
发明人 |
EGGENBERGER, JEAN-ALBERT;EGGENBERGER, EDITH |
分类号 |
G02C3/00 |
主分类号 |
G02C3/00 |
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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