Shutter release security device in motor drive camera

Details Shutter release security device in motor drive camera Shutter release security device in motor drive camera

1978-05-17

1980-05-13

Hix, L. T.

354173, G03B 1738

Patent

active

042026172

ABSTRACT:
A locking device is provided for preventing the mirror release until the completion of the winding operation. In its preferred embodiment, the locking device comprises a locking lever pivotally mounted on the end of the lower curtain release lever and engaging a cut in the mirror release pin to prevent the movement thereof until the lower curtain release lever pivots at the end of the winding operation.

REFERENCES:
patent: 3693524 (1972-09-01), Furuta
patent: 3932878 (1976-01-01), Kurei
patent: 3947858 (1976-03-01), Ishida
patent: 4096503 (1978-06-01), Sato
patent: 4119987 (1978-10-01), Beach

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