Focal plane shutter

Details Focal plane shutter Focal plane shutter

1977-11-03

1979-02-27

Gonzales, John

G03B 940

Patent

active

041416384

ABSTRACT:
A focal plane shutter comprising a pair of upper arms rotatably supported on a shutter base plate, a pair of lower arms provided as opposed to the respective upper arms so as to be rotatable concentrially respectively with the pair of upper arms and a plurality of shutter blades of which some are supported by the upper arms and the remainder are supported by the lower arms between the respective pairs of upper arms and lower arms, whereby the dimensions in the horizontal direction and vertical direction of the entire shutter device can be made smaller.

REFERENCES:
patent: 3864713 (1975-02-01), Kitai et al.
patent: 3871012 (1975-03-01), Haraguchi
patent: 4063262 (1977-12-01), Inoue

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