Cam operated door hinge

Details Cam operated door hinge Cam operated door hinge

1983-01-24

1985-03-05

Silverberg, Fred A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Gravitating hinge having vertical axis

16387, E05F 104

Patent

active

045021830

ABSTRACT:
In a cam hinge device having a lower stationary hinge section and an upper hinge section, the improvement comprised of each hinge section having an identically formed, seamless sleeve-like, metal casing with a metal mounting leaf extending laterally therefrom. Plastic block assemblies including the operative camming surfaces of the device are provided within the casing such that the casing and block assembly of the riding hinge section are mounted in an axial position 180.degree. opposite the casing and block assembly of the stationary hinge section when the hinge device is assembled.

REFERENCES:
patent: 1330647 (1920-02-01), Neal
patent: 2205396 (1940-06-01), Colucci
patent: 3134134 (1964-05-01), McCubbin
patent: 3545031 (1970-12-01), Dielman
patent: 3545032 (1970-12-01), Dielman
patent: 3748688 (1973-07-01), Berkowitz
Bobrick Washroom Equipment, Inc., 1979 advertising sheet.

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