Hinge mechanism

Claim 1

A COVER MOUNTING COMBINATION HINGE AND COUNTERBALANCE AND MOTION SNUBBING MECHANISM FOR HINGEDLY MOUNTING A COVER UPON AN OPEN TOP CABINET WHEREBY SAID COVER MAY BE EASILY SWUNG BETWEEN HORIZONTAL AND VERTICALLY STANDING ATTITUDES, SAID MECHANISM INCLUDING FIRST AND SECOND BRACKETS ADAPTED TO BE FIXED TO SAID COVER AND SAID CABINET RESPECTIVELY, A HINGE PIN PIVOTALLY INTERCONNECTING SAID BRACKETS, A STIRRUP MEMBER OF U-SHAPED FORM INCLUDING OPPOSED LEG PORTIONS PIVOTALLY CONNECTED AT THEIR ENDS TO A HANGER PIN CARRIED BY ONE OF SAID BRACKETS AND INCLUDING A TAPERED DWELL PORTION, A RESILIENT FRICTION-MATERIAL SLEEVE HAVING AN END PORTION RESTING IN SAID DWELL PORTION, A COMPRESSION SPRING BEARING AT ONE END UPON SAID SLEEVE, A TIE ROD FIXED AT ONE END TO THE SECOND OF SAID BRACKETS AND SLIDABLY EXTENDING THROUGH SAID DWELL PORTION AND SAID SPRING AND FIXED AT ITS OTHER END TO SAID SPRING WHEREBY TO HOLD THE LATTER IN CONSTANT DISTANCE RELATION FROM SAID SECOND SOCKET, SAID SPRING BEING ADJUSTED TO EXERT FORCES ACTING THROUGH SAID STIRRUP MEMBER COUNTERBALANCING THE TORQUE EFFECTS OF GRAVITY ON SAID COVER THROUGHOUT THE RANGE OF ITS POSITIONAL MOVE-