Shutter mechanism

Details Shutter mechanism Shutter mechanism

1976-02-09

1977-05-10

Gonzales, John

354246, G03B 1503

Patent

active

040231925

ABSTRACT:
An improved shutter mechanism of the sliding blade-type for synchronizing the firing of a flash device with the movement of one of the shutter blades to effect an exposure. During movement of the blade, an abutment surface on the blade momentarily closes the contacts of a switch to activate an electrically-fired flash device. A second abutment surface, located on either the shutter blade or a cover blade, prevents closing of the switch contacts during recocking of the shutter mechanism.

REFERENCES:
patent: 3974511 (1976-08-01), Matsumoto

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