Shaft drive and control system for automatic camera

Details Shaft drive and control system for automatic camera Shaft drive and control system for automatic camera

1974-07-01

1976-02-03

Hayes, Monroe H.

354 86, 354153, 354158, 354173, G03B 1912

Patent

active

039368475

ABSTRACT:
A shaft drive and control system for an automatic camera having a plurality of shaft driven devices operable in a photographic cycle at different times and at different speeds, in which the camera has a film pack receiving well, and comprising an electric motor mounted in one end of the camera at one end of the well and coupled to a dual harmonic drive unit that effects a shaft speed reduction to the lowest speed required for camera operation. A cam driven by the output shaft of the harmonic drive unit serves to recock a reflex mirror in the camera. A first shaft speed increasing system including an elongated timing belt extends down the side of the camera from the output shaft of the harmonic drive unit to a shaft driven at an intermediate speed that acts at times to drive a film unit out of the film pack in the well into engagement with a pair of processing rolls. A second shaft speed increasing system is connected between the intermediate speed shaft and processing rolls mounted in the front of the camera to drive the processing rolls at the highest shaft speed required for camera operation.

REFERENCES:
patent: 3714879 (1973-02-01), Land
patent: 3771427 (1973-11-01), Blinow

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