Focal plane shutter blade arrangement

Details Focal plane shutter blade arrangement Focal plane shutter blade arrangement

1982-01-25

1983-05-10

Mathews, Alan

354250, G03B 940

Patent

active

043826709

ABSTRACT:
Disclosed is a focal plane shutter for a camera having a shutter blade group consisting of a plural number of light shading thin plates held with two arms, so designed that the slit forming blade positioned at the end of the arm and a light shading auxiliary blade positioned next to the above are made to move in parallel by way of a parallel linkage and that a plural number of other auxiliary blades are mounted rotatably around the shaft provided on the one arm and engaged with a common shaft provided on the other arm in such a manner that along with the rotation of the latter arm they are rotated with the latter shaft.

REFERENCES:
patent: 3829878 (1974-08-01), Onda et al.
patent: 3842429 (1974-10-01), Kitai et al.
patent: 4162840 (1979-07-01), Ooba et al.
patent: 4231650 (1980-11-01), Saito et al.

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