Power-operated actuator for a film advance mechanism of a camera

Details Power-operated actuator for a film advance mechanism of a camera Power-operated actuator for a film advance mechanism of a camera

1975-11-04

1977-06-14

Hartary, Joseph W.

354213, G03B 100

Patent

active

040301117

ABSTRACT:
A power-operated actuator for a film advance mechanism of a camera has a motor for operating the mechanism, the actuator being constructed such that the motor starts free of the load represented by the mechanism, and being constructed such that the mechanism can be operated manually without the actuator imposing a significant load. Means may be provided for preventing jamming of the actuator should the motor be energized accidentally during manual operation of the film advance mechanism.

REFERENCES:
patent: 1817182 (1931-08-01), Fairchild
patent: 3084606 (1963-04-01), Goldberg
patent: 3280713 (1966-10-01), Goldberg
patent: 3693523 (1972-09-01), Tenkumo et al.

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