Lubricant flow metering means for engine rocker arm lubrication system

Claim 1

OIL FLOW REGULATING MEANS FOR A VALVE TAPPET THAT INCLUDES A TAPPET BODY, A HOLLOW PLUNGER IN SAID BODY, A PUSH ROD SEAT MEMBER SUPPORTED IN SAID PLUNGER AND HAVING A CONFIGURATED INNER END, SAID PUSH ROD SEAT MEMBER HAVING AN OIL FLOW PASSAGEWAY WITH A TEMINUS AT SAID INNER END, AND HAVING AN ANNULAR GROOVE AROUND SAID PASSAGEWAY TERMINUS AND AN ANNULAR GROOVE AROUND SAID NOSE, A METERING DISC RETAINED AGAINST SAID NOSE, WITH PASSAGE MEANS FROM ONE SIDE OF SAID DISC TO THE OTHER TO ALLOW REGULATED LUBRICANT FLOW BETWEEN SAID PASSAGEWAY AND SAID HOLLOW PLUNGER MEMBER INTERIOR; THE IMPROVEMENT COMPRISING: SAID ANNULAR NOSE HAVING A RADIALLY EXTENDING SLOT MEANS THEREIN FROM SAID PASSAGEWAY TO SAID GROOVE, WITH OPPOSITE EDGES EXTENDING GENERALLY IN THE SAME DIRECTION, AND SAID ANNULAR NOSE HAVING LAND PORTIONS WITH LAND AREAS POSITIONED DIRECTLY OPPOSITE EACH OTHER ASTRADDLE OF SAID SLOT MEANS IN A MANNER FORMING SLOT-BRIDGING SUPPORT MEANS ENGAGING SAID DISC.