Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Resiliently biased hinge
Patent
1992-04-06
1993-09-14
Bray, W. Donald
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Resiliently biased hinge
16300, 4241, E05F 108
Patent
active
052437388
ABSTRACT:
A hinge for a vehicle deck lid includes a housing, a pivot pin mounted therein, a hinge arm mounted on the pivot pin, a lift spring to bias the hinge arm toward an open position and thereby counterbalance the weight of the deck lid, and an adjustment mechanism for adjusting the tension in the lift spring. The adjustment mechanism includes a ratchet mechanism made up of pawls on the pivot pin and catches on the housing that allows one-way rotation of the pivot pin to more tightly wind the lift spring. The ratchet mechanism further includes a bias spring that biases the pawls and catches into engagement, the bias spring having a tension that can be overcome to release the ratchet mechanism and release the tension in the lift spring.
REFERENCES:
patent: 631797 (1899-08-01), Krause
patent: 1013948 (1912-01-01), Northall
patent: 2626421 (1953-01-01), Lyons
patent: 2703430 (1955-03-01), Thomas et al.
patent: 2894277 (1959-07-01), Bogater et al.
Photographs of a 1990 Chevrolet Lumina automobile hinge, the hinge having a torsion rod-type counterbalance spring that is adjustable.
Photographs labelled Exhibits E-H illustrate a hinge with an adjustable bias spring utilized in the trunk of some late 1980 and early 1990 Cadillac automobiles made by General Motors Corp.
Photographs of a 1984 Cadillac Fleetwood automobile hinge, the hinge having a torsion rod-type counterbalance spring that is adjustable.
Photographs of a 1992 Cadillac automobile hinge, the hinge having a coil spring adjustably retained to counterbalance the trunk lid.
Bray W. Donald
Ran Enterprises, Inc.
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