Projector with a circular magazine

Details Projector with a circular magazine Projector with a circular magazine

1974-08-02

1976-11-30

Stephan, Steven L.

Optics: image projectors

Slide transfer mechanism

Slides reciprocated horizontally

40 79, G03B 2306, G09F 1130

Patent

active

039945782

ABSTRACT:
A circular magazine for photographic slides is provided with a circular segment slider 15 rotatable about the magazine axis to extend a tongue portion 18 over the slide insertion slot 17 in the magazine base plate 14, to thereby close the slot and prevent slides from falling out when the magazine is removed from the projector. Upon insertion in the projector a central hub 24 is rotated whereby its cam surface 25 engages follower 28 on lever 22 to rotate the latter about pivot axis 21. Stop 23 on the end of the lever bears against pin 19' on the segment slider and rotates the latter to open the slot window 17.

REFERENCES:
patent: 3386195 (1968-06-01), Pestel et al.
patent: 3554639 (1971-01-01), Robinson

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