Plastic camera body with metal insert

Details Plastic camera body with metal insert Plastic camera body with metal insert

1980-03-24

1982-03-09

Griffin, Donald A.

G03B 1702

Patent

active

043186041

ABSTRACT:
A camera body particularly suited for a lens exchangeable single lens reflex camera is composed of a plastic body proper having a metal block insert, and including a pair of side housings for a film patrone chamber, a spool and sprocket chamber, a bottom wall and a pair of interconnecting portions extending between the housings. The metal block includes a flat rear plate portion having an exposure aperture, film pressure plate abutting surfaces and film guide rails, a pair of bent portions projecting forwardly from the opposite sides of the flat plate portion to constitute a part of the walls of the side housings, and a pair of front metal plate attaching portions formed at the front ends of the bent portions. The rear plate portion and the bent portions of the metal block are anchored or held by a pair of anchor portions of the plastic body proper, which continuously extend along the upper and lower opposite faces of the flat plate portion and the bent portions, respectively. A plurality of apertures packed or filled with plastic forming a part of the plastic body proper is formed in the metal plate.

REFERENCES:
patent: 3299931 (1967-01-01), Kritzler
patent: 4067032 (1978-01-01), Yoshikawa et al.
patent: 4068248 (1978-01-01), Pizzuti et al.
patent: 4152065 (1979-05-01), Kobori

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