Focal plane shutter for use in a photographic camera

Details Focal plane shutter for use in a photographic camera Focal plane shutter for use in a photographic camera

1994-11-18

1996-04-16

Gray, David M.

G03B 940

Patent

active

055087736

ABSTRACT:
A focal plane shutter for use in a photographic camera in which a shutter base plate is made of a synthetic resin material and a metallic supporting plate is mounted on a front surface of the shutter base plate. Shafts pivoting levers for driving a leading blade group and trailing blade group are fixed to a front surface of the metallic supporting plate, whereas shafts pivoting arms for driving the leading blade group and the trailing blade group are fixed to a rear surface of the supporting plate. The shafts pivoting the driving arms and supporting arms protrude from a rear surface of the shutter base plate.

REFERENCES:
patent: 4926202 (1990-05-01), Fukuda et al.
patent: 5159371 (1992-10-01), Fukuda
patent: 5266993 (1993-11-01), Uematsu

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