Valve timing selector

Claim 1

A VALVE TIMING SELECTOR FOR USE WITH AN ENGINE HAVING A CAM SHAFT AND A RECIPROCATING VALVE COMPRISING A FORWARD CAM ON SAID CAM SHAFT, A REVERSE CAM ON SAID CAM SHAFT, A FIRST CAM TRAIN INCLUDING A FIRST FOLLOWR AND A FIRST PUSHROD OPERATED IN A FIRST PATH BY SAID FORWARD CAM, A SECOND CAM TRAIN INCLUDING A SECOND FOLLOWER AND A SECOND PUSHROD OPERATED IN A SECOND PATH BY SAID REVERSE CAM, A ROCKER IN ENGAGEMENT WITH SAID VALVE, MEANS ON SAID ROCKER INCLUDING OPPOSITE WALLS DEFINING A CROSS CHAMBER, A SLIDE RECIPROCABLE IN SAID CROSS CHAMBER AND INCLUDING SURFACES SLIDABLE ON SAID WALLS, A FORWARD HOOK PROJECTING FROM SAID SLIDE ON ONE SIDE OF SAID ROCKER, A REVERSE HOOK PROJECTING FROM SAID SLIDE ON THE OTHER SIDE OF SAID ROCKER, MEANS ON SAID ROCKER FORMING A CYLINDER, MEANS ON SAID SLIDE FORMING A PISTON RECIPROCABLE IN SAID CYLINDER, MEANS FOR SUPPLYING SAID CYLINDER WITH ACUTATING FLUID TO RECIPROCATE SAID SLIDE IN SAID ROCKER, A FIRST TAPPET ENGAGING SAID FIRST PUSHROD AND ENGAGEABLE WITH SAID FORWARD HOOK WHEN SAID SLIDE IS IN ONE RECIPROCATED POSITION, AND A SECOND TAPPET ENGAGING SAID SECOND PUSHROD AND ENGAGEABLE WITH SAID REVERSE HOOK WHEN SAID SLIDE IS IN ANOTHER RECIPROCATED POSITION.