Shutter for camera

Details Shutter for camera Shutter for camera

1981-01-16

1983-07-19

Perkey, William B.

G03B 940

Patent

active

043940820

ABSTRACT:
The shutter blades of a camera are made lighter in weight in order to reduce the driving power needed to obtain a desired running speed by forming the shutter blades of a metal coated plastic sheet member which may be painted black in order to prevent light reflection, with the thickness of the metal coating being between 0.001 to 0.005 mm.

REFERENCES:
patent: 4054892 (1977-10-01), Nakagawa et al.
patent: 4150890 (1979-04-01), Nakagawa et al.

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