Self-locking hinge

Details Self-locking hinge Self-locking hinge

1983-05-05

1985-02-26

Silverberg, Fred A.

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

Hinge

Including means to hold or retard hinged members against...

16345, 16363, 16376, E05D 1110

Patent

active

045010455

ABSTRACT:
A self-locking hinge is disclosed for pivotally attaching a door to a frame member. The hinge includes first and second hinge members which are pivotally joined together by a pin. A socket is formed in the first hinge member which is designed to receive a detent mechanism. The detent mechanism has at least one tooth formed on its lower surface which will engage a complimentary notch formed on the upper surface of the second hinge member upon rotation of the first hinge member relative to the second hinge member. The tooth and notch are so configured as to permit rotation of the first hinge member in one direction but will prevent its rotation in an opposite direction once the tooth has engaged the notch. A spring is positioned located within the socket of the first hinge member so as to bias the detent downward towards the second hinge member. The self-locking hinge is unique in that it permits the detent mechanism to be inserted into the socket at various angular positions so that the tooth is offset from the notch various degrees. This feature permits a door to be opened different amounts, depending upon its application, before the tooth engages the notch and forms a stop.

REFERENCES:
patent: 269411 (1882-12-01), Hart et al.
patent: 773717 (1904-11-01), Craver et al.
patent: 1133454 (1915-03-01), Banzett
patent: 1207270 (1916-12-01), Braithwaite
patent: 2097651 (1937-11-01), Stangeland
patent: 2362923 (1944-11-01), Pardoe
patent: 3744085 (1973-07-01), Griego
patent: 4073038 (1978-02-01), Curry et al.

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