Counterbalance mechanism

Details Counterbalance mechanism Counterbalance mechanism

1976-11-10

1978-05-30

Kee Chi, James

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

Sash balances

Spring

16 85, 16145, 16180, E05F 112, E05F 514

Patent

active

040915026

ABSTRACT:
A counterbalance mechanism including a cabinet mounted stationary hinge part; a movable hinge part pivotally mounted on the stationary hinge part and connected for conjunctive vertical swinging movement with a cabinet lid; and a counterbalance assembly including an adjustable compression spring arranged to bear adjacent its opposite ends on the hinge parts characterized in that the counterbalance assembly is constrained from swinging movements relative to the lid connected hinge part whereby to minimize mechanism installation space requirements.

REFERENCES:
patent: 3414933 (1968-12-01), Gronbach
patent: 3496595 (1970-02-01), Larson
patent: 3714680 (1973-02-01), Little
patent: 3766600 (1973-10-01), Little
patent: 3906587 (1975-09-01), Little

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