Cam operated spring biased counterbalance hinge mechanism for ca

Details Cam operated spring biased counterbalance hinge mechanism for ca Cam operated spring biased counterbalance hinge mechanism for ca

1975-10-16

1976-05-11

Larkin, G. V.

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

Sash balances

Spring

16154, 16171, 49237, 16186, E05F 112

Patent

active

039552411

ABSTRACT:
A counterbalance hinge mechanism for a cabinet lid includes a stationary cabinet affixed hinge rod serving to rotatably support a pair of axially stationary lid mounting cam members and to slidably support a pair of non-rotatable cam followers. An adjustable spring assembly serves to bias the cam followers into engagement with the cam members, whereby to counterbalance gravity induced torque effects of the lid throughout a substantial portion of lid opening movement.

REFERENCES:
patent: 3289244 (1966-12-01), Carey
patent: 3496595 (1970-02-01), Larson
patent: 3626547 (1971-12-01), Werner

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