Fuel pump

Claim 1

A FUEL PUMP COMPRISING MMEANS DEFINING A PUMPING CHAMBER, A DIAPHRAGM CLOSING THE PUMPING CHAMBER, A HOUSING ENCLOSING THE DIAPHRAGM, A ROCKER ARM HOUSING EXTENDING LATERALLY FROM THE DIAPHRAGM HOUSING, A SPRING MEMBER IN THE DIAPHRAMG HOUSING BIASING THE DIAPHRAMG IN DISCHARGE DIRECTION, A DIAPHRAGM ACTUATING ROD EXTENDING FROM THE DIAPHRAGM INTO THE ROCKER ARM HOUSING AND HAVING A HEAD ON ITS EXTENDING END, A ROCKER ARM FOR DRIVING THE ROD PIVOTED IN AND EXTENDING LONGITUDINALLY OF SAID ROCKER ARM HOUSING, A CAM MEMBER FOR ACTUATING SAID ROCKER ARM, SAID ARM HAVING A BIFURCATED FREE END RECEIVING THE ROD ADJACENT ITS HEAD, A SECOND ARM HOUSING BER SEATING AGAINST THE BOTTOM OF THE ROCKER ARM HOUSING AND AGAINST THE ROCKER ARM FOR BIASING SPRING MEMBER BEING AGAINST SAID CAM, SAID RAM BIASING SPRING MEMBER BEING CONNECTED TO THE ARM AT A POINT BETWEEN SAID FREE END AND THE PIVOT OF SAID RAM, A LEAF SPRING SECURED TO THE ROCKER ARM HAVING A BIFURCATED FREE END GENERALLY IN VERTICAL ALIGNMENT WITH THE BIFURACED FREE END OF THE ROCKER ARM, THE FREE END OF THE LEAF SPRING NORMALLY BEING SPACED FROM THE ARM AND INTERPOSED BETWEEN THE ARM AND THE HEAD, AND ENGAGEABLE WITH THE HEAD TO YIELD TOWARD THE ARM FOR MUFFLING THE IMPACT OF THE ARM ON A DRIVING STROKE THEREOF, AND A FASTENER SECURING ONE END OF SAID SECOND SPRING MEMBER AND ONE END OF SAID LEAF SPRING TO SAID ARM, SAID LEAF SPRING BEING INTERPOSED BETWEEN THE SECOND SPRING MEMBER AND THE ARM.