发明授权
- 专利标题： Flat film cassette
- 专利标题（中）： 平板电影
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申请号： US545342申请日： 1990-06-27
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公开(公告)号： US5078271A公开(公告)日： 1992-01-07
- 发明人: Walter Bauer
- 申请人： Walter Bauer
- 申请人地址： DEX Leverkusen
- 专利权人： Agfa-Gevaert AG
- 当前专利权人： Agfa-Gevaert AG
- 当前专利权人地址： DEX Leverkusen
- 优先权： DEX3922678 19890710
- 主分类号： G03B17/32
- IPC分类号： G03B17/32
摘要：
A flat film cassette comprises a lower part, an upper part provided with an illumination window, and an element for turnably connecting the lower part and the upper part with one another. The lower part has a bottom with a peripheral edge for receiving a film, and having a plurality of edge portions including at least two parallel edge portions. A slider is lowerably supported in each of the edge portions of the edge in a springy manner and extends beyond the edge portion so that during closing of the upper part the slider is moved back into the edge portion.
公开/授权文献
- US5663931A Segmentation and polarization in a hydrophone crystal 公开/授权日：1997-09-02
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