Multiple delivery pump apparatus

Claim 1

THE COMBINATION OF A PUMP CYLINDER BLOCK, A CYLINDER BORE WITHIN SAID BLOCK, AN ELONGATGED PLUNGER MEMBER HAVING AN END PORTION THEREOF EQUAL IN DIAMETER TO AND SLIDEABLY ENCASED WITHIN SAID BORE, A RECIPROCATING MEANS OUTWARD FROM SAID BLOCK AND ENGAGED WITH THE FREE END OF SAID PLUNGER, AND OBSTRUCTION WITHIN AND PARTIALLY BLOCKING SAID BORE, SAID OBSTRUCTION WITHIN AND PARTIALLY THE INNERMOST RECIPROCATING LIMIT OF SAID PLUNGER, A FREE PISTON MEMBER HAVING A DIAMETER EQUAL TO SAID BORE, SAID PISTON MOUNTED FOR RECIPROCATION WITHIN SAID BORE INWARD FROM SAID OBSTRUCTION, A COMPRESSION SPRING WITHIN SAID BORE BETWEEN THE INWARD EXTREMITY OF SAID FREE PISTON AND THE BOTTOM OF SAID BORE; A LIQUID ADMITTING AND DISCHARGING DUCT THROUGH SAID BLOCK, SAID DUCT DISPOSED ON AN ANGLE TO AND INTERSECTED WITH SAID BORE BETWEEN THE INWARD AND THE OUTWARD RECIPROCATING LIMITS OF THE ENCASED END OF SAID PLUNGER, AND A SECOND LIQUID ADMITTING AND DISCHARGEING DUCT THROUGH A SIDEWALL OF SAID BLOCK AND ENGAGED WITH SAID BORE INWARD FROM THE INNERMOST RECIPROCATING LIMIT OF SAID FREE PISTON.