Self closing hinge

Details Self closing hinge Self closing hinge

1980-08-15

1982-09-07

Schroeder, Werner H.

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

Hinge

Resiliently biased hinge

E05F 112

Patent

active

043476457

ABSTRACT:
A hinge comprises an L-shaped stationary flap having a pair of legs each having a rounded, tubular end, an L-shaped rotatable flap having a leg formed with a rounded, tubular end aligned with the tubular ends of the stationary flap, and disposed between the legs of the stationary flap, and a hinge pin extending through the tubular ends of the flaps, and about which the rotatable flap is rotatable. A pair of oppositely directed cam shafts project from the opposite extremities of the tubular end of the rotatable flap and are each received in a recess formed in each leg of the stationary flap. Each cam shaft has a flat surface, and each recess of the stationary flap accommodates a cam rest and a spring urging the cam rest outwardly to maintain it in intimate contact with the flat surface of the cam shaft, whereby the door to which the hinge is attached is closed automatically, and kept in its closed position.

REFERENCES:
patent: Re28786 (1976-04-01), MacDonald
patent: 3600743 (1971-08-01), Meadows
patent: 3613151 (1971-10-01), Anderson et al.

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