Control valve cam and follower

Claim 1

IN A CONTROL SYSTEM FOR CONTROLLING THE RUDDER MOVEMENT OF A BOAT, SAID SYSTEM INCLUDING A RUDDER, A RUDDER POST, AND A HYDRAULIC SYSTEM AND CYLINDER FOR ROTATING SAID RUDDER POST, A RUDDER CONTROL MECHANISM COMPRISING A HYDRAULIC CONTROL VALVE WITHIN SAID HYDRAULIC SYSTEM FOR ADMITTING FLUID TO SAID HYDRAULIC CYLINDER, SAID VALVE BEING MOUNTED ON A BRACKET FIXED TO SAID RUDDER SHAFT TO ROTATE WITH THE SHAFT, A PLUNGER FOR ACTUATING SAID CONTROL VALVE, A ROCKER ARM CAM FOLLOWER PIVOTALLY CONNECTED TO SAID PLUNGER AND TO SAID BRACKET, AND A CAM HAVING A NOTCH TO DEFINE THE CAM''S NEUTRAL POSITION, SAID CAM BEING CONCENTRICALLY MOUNTED ON SAID RUDDER SHAFT AND ROTATABLE WITH RESPECT TO SAID SHAFT, SAID ROCKER ARM BEING SEATED WITHIN SAID CAM NOTCH IN THE NEUTRAL POSITION AND BEING ACTUATED UPON ROTATION OF SAID CAM TO ADMIT FLUID TO SAID HYDRAULIC CYLINDER TO CAUSE ROTATION OF SAID RUDDER POST AND VALVE UNTIL SAID ROCKER ARM REACHES THE NEUTRAL POSITION OF SAID CAM WHEREUPON THE ROCKER ARM AGAIN SEATS ITSELF WITHIN SAID NOTCH THEREBY CUTTING OFF FLUID FLOW TO SAID HYDRAULIC CYLINDER AND STOPPING ROTATION OF THE RUDDER.