Shutter blades operating device for camera

Details Shutter blades operating device for camera Shutter blades operating device for camera

1978-06-20

1980-06-03

Hayes, Monroe H.

G03B 906

Patent

active

042059097

ABSTRACT:
A camera shutter has a set of opening blades and a set of closing blades sequentially driven from cocked positions to released positions to effect an exposure. During cocking of the shutter, the opening and closing blades are driven to their cocked positions by opening and closing mechanisms which include springs for permitting continued movement of the opening and closing mechanisms in the cocking direction after the opening and closing blades are driven to their cocked positions. Upon completion of the movement of the opening and closing blades to their cocked positions, the springs undergo further compression thereby permitting continued cocking movement of the opening and closing mechanisms independent of the opening and closing blades.

REFERENCES:
patent: 3455228 (1969-07-01), Mutterer

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