Slide projector apparatus

Details Slide projector apparatus Slide projector apparatus

1979-03-13

1980-04-22

Stephan, Steven L.

Optics: image projectors

Slide transfer mechanism

Slides reciprocated horizontally

353118, G03B 2304, B65H 332

Patent

active

041992342

ABSTRACT:
A slide projector is juxtaposed with a slide magazine in a housing. One of the projector and magazine is movably mounted so that each slide may be aligned with where it may be loaded into the projector and unloaded back into the magazine. At the loading station a pair of pivotable, opposed toggles operated by an eccentric device frictionally rollingly grip and release two opposite edges of the slide with reversibly driven rollers. In a disclosed elaboration, a plurality of slide magazines are disposed on a spider, which may be rotated to bring any selected magazine into juxtaposition with the projector. In the elaborated version shown, the slide projector is laterally movably mounted for temporary retraction during indexing of the spider.

REFERENCES:
patent: 3528735 (1970-09-01), Bluitt et al.
patent: 4053215 (1977-10-01), Haning et al.

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