Shutter device for a photographic camera

Details Shutter device for a photographic camera Shutter device for a photographic camera

1974-07-17

1976-05-11

Hix, L. T.

354250, 354252, 354256, 354258, G03B 910

Patent

active

039567613

ABSTRACT:
A shutter device for a photographic camera has a pair of shutter blade members movable between first and second rest positions for opening or closing the camera aperture, including drive devices associated with the blade members for moving them in the same direction during an exposure sequentially and at a time interval, from the first to the second rest position. Additional drive devices associated with the shutter blade members are provided which, for a subsequent exposure, are capable of returning the blade members sequentially and at a time interval, in opposite direction, from the second to the first rest position.

REFERENCES:
patent: 2980004 (1961-04-01), Prentice
patent: 3595553 (1971-07-01), Vincent

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