发明名称 |
Bowed slide handling apparatus |
摘要 |
A device for transporting slides in a horizontal plane to be projected by a slide projector. More particularly, a retaining means adapted to tolerate bowed slides by having clearance grooves for receiving the bowed slides and for permitting same to set level thereupon.
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申请公布号 |
US4174158(A) |
申请公布日期 |
1979.11.13 |
申请号 |
US19780943038 |
申请日期 |
1978.09.18 |
申请人 |
BELL & HOWELL |
发明人 |
BETLEJEWSKI, FRANK W;PETERSON, DONALD J |
分类号 |
G03B23/04;G03B23/10;(IPC1-7):G03B23/04 |
主分类号 |
G03B23/04 |
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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