Hinge assembly

Details Hinge assembly Hinge assembly

1996-02-06

1997-11-04

Howell, Daniel W.

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

Hinge

Resiliently biased hinge

16303, E05F 108

Patent

active

056826443

ABSTRACT:
The self-closing hinge assembly has a pair of cam members which are biased against each other by a pair of coil springs. The outer coil spring serves to bias the cam members together under a first restoring force and is effective during an initial opening of a door, for example to a 90.degree. position. The second inner spring becomes compressed only after the outer coil spring has been compressed. Compression of the second coil spring occurs as a door is opened beyond the 90.degree. position. The door may be held in one of two dwell positions corresponding to the cam surfaces on the movable cam member.

REFERENCES:
patent: 165619 (1875-07-01), Sanderson
patent: 879542 (1908-02-01), Hartman
patent: 3063089 (1962-11-01), Greenman
patent: 3518716 (1970-07-01), Larson
patent: 3975794 (1976-08-01), Kaiser
patent: 4215449 (1980-08-01), Loikitz
patent: 5138743 (1992-08-01), Hoffman

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