Slot load movie projector mechanism

Details Slot load movie projector mechanism Slot load movie projector mechanism

1977-06-30

1979-03-27

Hayes, Monroe H.

Optics: motion pictures

With threading structure

352159, G03B 156

Patent

active

041463137

ABSTRACT:
An improved slot load motion picture projector is provided with a cam plate guide assembly connecting the projector control lever with the projector film gate. The cam plate has a cam path formed therein with a cam follower disposed within the cam path. Links connect the cam follower to both the control lever and the film gate. The cam path guide assembly causes the film gate to close during the initial portion of the control lever movement from the load position to the operate position, and causes the film gate to open during the initial portion of the control lever movement from the operate position to the load position.

REFERENCES:
patent: 3094055 (1963-06-01), Elsas
patent: 3737220 (1973-06-01), Hickey et al.

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