Roller tappet constraining device

Claim 1

IN AN INTERNAL COMBUSTION ENGINE INCLUDING A CAM SHAFT HAVING CAM SURFACES, A PLURALITY OF ROLLER TAPPETS RIDING ON SAID CAM SURFACES OPERATING PUSH RODS, AND AN ENGINE BLOCK HAVING BORES RECEIVING AND GUIDING VERTICAL MOVEMENT OF SAID ROLLER TAPPETS, CONSTRAINING DEVICES FOR PREVENTING ROTATION OF SAID ROLLER TAPPETS IN SAID BORES DURING VERTICAL MOVEMENTS OF SAID ROLLER TAPPETS, EACH OF SAID CONSTRAINING DEVICES COMPRISING: A SINGLE INTEGRAL CURVED STRIP OF RESILIENT MATERIAL HAVING ELONGATED SLOTS EXTENDING INWARDLY FROM OPPOSITE ENDS AND TERMINATING SHORT OF THE MID-POINT OF SAID STRIP TO DEFINE PAIRS OF LEGS AT EACH END OF SAID STRIP, EACH LEG TERMINATING IN A LATERALLY OUTWARDLY DIRECTED PIN, SAID ROLLER TAPPETS HAVING OPEN UPPER CYLINDRICAL ENDS FROM WHICH SAID PUSH RODS EXTEND, EACH CYLINDRICAL END INCLUDING DIAMETRICALLY OPPOSITE TRANSVERSE OPENINGS ADAPTED TO RECEIVE OPPOSITELY DIRECTED PINS IN A LOOSE FIT FROM ONE OF SAID PAIRS OF LEGS, THE NEXT ADJACENT ROLLER TAPPET RECEIVING THE PINS OF THE OTHER PAIR OF SAID PAIRS OF LEGS IN A LOOSE FIT SO THAT SAID CURVED STRIP IS ARCHED BETWEEN TWO ADJACENT ROLLER TAPPETS, THE PUSH RODS ASSOCIATED THEREWITH PASSING UPWARDLY THROUGH SAID SLOTS IN SAID CURVED STRIP, SUCCESSIVE ADJACENT PAIRS OF ROLLER TAPPETS BEING SIMILARLY PROVIDED WITH INTEGRAL CURVED STRIPS SO THAT EACH CURVED STRIP CONSTRAINS TWO ROLLER TAPPETS FROM ROTATIONAL MOVEMENT WITHIN THEIR BORES.