Spring for biasing a rocker arm and mounting therefor

Claim 1

INCOMBINATION, AN ENGINE ROCKER ARM ASSEMBLY, A PUSH ROD, AND A SPRING FOR TORQUE BIASING THE ROCKER ARM INTO SUBSTANTIALLY CONTINUOUS ENGAGEMENT WITH THE PUSH ROD, WHICH COMBINATION COMPRISES: A SHAFT; A ROCKER ARM PIVOTALLY MOUNTED ON THE SHAFT, THE ENDS OF THE SHAFT PROTRUDING BEYOND THE ROCKER ARM; ALIGNED, TRANSVERSE SLOTS FORMED IN THE AXIALLY OUTWARDLY FACING SURFACES OF THE PROTRUDING ENDS OF THE SHAFT; A RECIPROCALLY MOVABLE PUSH ROD ABUTTING ON THE UNDERSIDE OF THE ROCKER ARM ADJACENT ONE END OF THE ROCKER ARM AND ADAPTED TO PIVOT THE ROCKER ARM ON THE SHAFT; A SPRING HAVING A PAIR OF PARALLEL COILS SPACED APART FROM EACH OTHER AND ADAPTED TO PRODUCE A TORQUE; A FIRST, SUBSTANTIALLY STRAIGHT LEG EXTENDING FROM EACH OF THE COILS, EACH OF SAID LEGS BEING ADAPTED TO BE RECEIVED IN A TRANSVERSE SLOT IN AN OPPOSIE END OF THE SHAFT; A SECOND LEG EXTENDING FROM EACH OF SAID COILS, SAID SECOND LEG BEING DISPOSED SUBSTANTIALLY PARALLEL TO EACH OTHER; AND A TRANSVERSE YOKE INTERCONNECTING THE SECOND LEGS AND ADAPTED TO OVERLIE AND ABUT ON THE ROCKER ARM ABOVE THE ABUTMENT OF THE PUSH OF ROD THEREON, SAID YOKE BEING IN TORQUE BIASING ENGAGEMENT WITH THE ROCKER ARM SO AS TO CAUSE THE ROCKER ARM TO FOLLOW THE PUSH ROD IN ITS RECIPROCAL MOVEMENT.