Shutter for cameras

Details Shutter for cameras Shutter for cameras

1977-01-18

1978-08-22

Griffin, Donald

354230, G03B 708, G03B 908

Patent

active

041092589

ABSTRACT:
A shutter for cameras comprising an intermediate lever to open and close shutter blades serving as diaphragm blades, a driving member which can open and close the shutter blades by rocking the intermediate lever while moving in one direction, a device which can vary the leverage of the intermediate lever by shifting the pivot of the intermediate lever with an EE mechanism and/or flashmatic mechanism and a synchroswitch operated by the driving member in order to make a flash-photographing possible at all shutter speeds.

REFERENCES:
patent: 3464333 (1969-09-01), Aoki et al.
patent: 3643562 (1972-02-01), Soichiro et al.
patent: 3750552 (1973-08-01), Yazaki
patent: 3911458 (1975-10-01), Imai et al.

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