发明名称 |
Watch case with interengaging flanged glass and flanged casing ring |
摘要 |
A watch case and means for fastening a viewing crystal to the upper opening of the watch case. The upper opening is provided with projections and the viewing crystal is provided with a flange for engaging the underside of the projections, on at least a part of its thickness. The viewing crystal is introduced freely into the upper opening and rests on a flexible element. Fastening is accomplished by pushing the piece of glass to compress the flexible element and engaging the flanges under the projections by rotation or movement in the case of the viewing crystal. The invention is particularly advantageous for monopiece cases.
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申请公布号 |
US4322834(A) |
申请公布日期 |
1982.03.30 |
申请号 |
US19790058157 |
申请日期 |
1979.07.17 |
申请人 |
GENERAL WATCH CO. LTD. |
发明人 |
SCHAEREN, WALTER;RAY, CLAUDE |
分类号 |
G04B39/02;(IPC1-7):G04B37/00 |
主分类号 |
G04B39/02 |
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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