Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Resiliently biased hinge
Patent
1992-06-16
1993-05-11
Sipos, John
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Resiliently biased hinge
16340, E05F 108, E05C 1764, E05D 1108
Patent
active
052089444
ABSTRACT:
A hinge device for a casing of the type having a body portion and an upper cover includes a substantially L-shaped mount plate adapted to be securely mounted to the body portion of the casing, two washers respectively attached to both sides of the mount plate, a pivotal axle having a mounting portion adapted to be securely mounted to the upper cover of the casing, an extension pivotally received in a hole of the mount plate, a spring member mounted on the extension of the pivotal axle, a sleeve member, a torsion spring mounted on the sleeve member, a follower securely mounted on the extension, and a nut mounted on a threaded end portion of the extension. The nut biases the spring and allows the pivotal axle to be freely pivotable relative to the spring. When a desired position of the upper cover relative to the body portion of the casing is reached, the spring member biased by the nut exerts a longitudinal force on the pivotal axle to retain the pivotal axle in position. Furthermore, the stop of the follower slightly biases the torsion spring when the casing is in a locked status. The stop contacts an arm of the torsion spring when the upper cover is in a pre-set maximum angle relative to the body portion of the casing.
REFERENCES:
patent: 1644249 (1927-10-01), Harrison
patent: 1896057 (1933-01-01), Sheard
patent: 4829633 (1989-05-01), Kassner
Cuda Carmine
Sipos John
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