MICROFORM READER COVER PLATE OPENING MECHANISM

A mechanism for automatically opening the cover plate of a microform reader. The mechanism includes a spring-loaded toggle member riding on the cover glass and engageable with a slot portion of the cover glass to lift the glass for insertion and/or removal of a microform. The toggle member has a sel...

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Bibliographische Detailangaben
1. Verfasser:	SMITH S,US
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	A mechanism for automatically opening the cover plate of a microform reader. The mechanism includes a spring-loaded toggle member riding on the cover glass and engageable with a slot portion of the cover glass to lift the glass for insertion and/or removal of a microform. The toggle member has a self-locking feature which prevents closing of the cover glass until it is moved rearwardly to rotate the toggle member.