Hydraulic valve device

Claim 1

A HYDRAULIC CONTROL VALVE COMPRISING: A VALVE HOUSING HAVING FLUID INLET AND OUTLET MEANS AND DRAIN OUTLET MEANS, SAID HOUSING HAVING CHAMBER MEANS COMMUNCIATING SAID INLET, OUTLET, AND DRAIN OUTLER MEANS; A MANUALLY OPERATED VALVE MEMBER DISPOSED IN SAID HOUSING AND ADAPTED TO CONTROL THE FLOW OF FLUID BETWEN SAID INLET AND OUTLET MEANS AND CARRYING MEANS EFFECTIVE TO GRADUALLY CLOSE OFF INREASINGLY GREATER INCREMENTS OF SAID DRAIN OUTLET MEANS IN ACCORDANCE WITH EACH EQUAL INCREMENT OF MOVEMENT OF SAID VALVE MEMBER BETWEEN A FIRST POSITION IN WHICH SAID FLUID FLOW IS PERMITTED FREELY BETWEEN SAID INLET AND OUTLET MEANS AND A SECOND POSITION IN WHICH FLUID FLOW IS SUBSTANTIALLY RESTRICTED BETWEEN SAID INLET AND OUTLET MEANS, SAID VALVE MEMBER HAVING DIFFERENTIAL SURFACES SUBJECT TO FLUID PRESSURE IN SAID CHAMBER MEANS AND ADAPTED TO RESIST MANUAL MOVEMENT OF SAID VALVE MEMBER TOWARD SAID SECOND POSITION IN ACCORDANCE WITH THE PREVAILING PRESSURE IN SAID CHAMBER MEANS THEREBY TO IMPART A "FEEL" TO THE OPERATOR WHICH IS CORRELATED WITH THE DEGREE OF MOVEMENT OF SAID VALVE MEMBER.