Plural sequentially operated snap action valves

Claim 1

IN COMBINATION, A HOUSING HAVING A PASSAGE MEANS LEADING FROM AN INLET TO AN OUTLET, A SUPPLEMENTAL SEAT DISPOSED IN SAID PASSAGE MEANS AND INTERCONNECTING SAID INLET WITH SAID OUTLET, A SUPPLEMENTAL VALVE MEMBER HAVING A RESILIENT SURFACE MEANS COOPERABLY WITH SAID SUPPLEMENTAL VALVE MEMBER HAVING SEAT AND HAVING A MAIN VALVE SEA INTERCONNECTING SAID INLET WITH SAID OUTLET,SAID SUPPLEMENTAL VALVE MEMBER HAVING APERTURE MEANS PASSING THERETHROUGH AND SURROUNDED BY SAID MAIN VALVE SEAT, SAID MAIN VALVE SEAT BEING FORMED OF RESILIENT SURFACE MEANS OF S INTEGRAL WITH SAID RESILIENT SURFACE MEANS OF SAID SUPPLEMENTAL VALVE MEMBER, SAID SUPPLEMENTAL VALVE MEMBER HAVING OPENING MEANS PASSING THERETHROUGH WITH A RESILIENT MEMBER MOLDED TO SAID SUPPLEMENTAL VALVE MEMBER AND PASSING THROUGH SAID OPENING MEANS TO DEFINE SAID RESILIENT SURFACE MEANS ON ONE SIDE OF SAID SUPPLEMENTAL VALVE MEMBER AND TO DEFINE SAID MAIN VALVE SEAT ON THE OTHER SIDE OF SAID SUPPLEMENTAL VALVE MEMBER A MAIN VALVE MEMBER COOPERABLE WITH SAID MAIN VALVE SEAT AND HAVING A STEM SLIADLY PASSING THROUGH SAID SUPPLEMENTAL VALVE MEMBER, A FIRST SPRING DISPOSED BETWEEN SAID STEM AND SAID SUPPLEMENTAL VALVE MEMBER TO TEND TO MAINTAIN SAID MAIN VALVE MEMBER AGAINST SAID MAIN VALVE SEAT, A SECOND SPRING DISPOSED BETWEEN SAID HOUSING AND SAID SUPPLEMENTAL VALVE MEMBER TO TEND TO MAINTAIN SAID SUPPLEMENTAL VALVE MEMBER AGAINST SAID SUPPLEMENTAL VALVE SEAT, A SNAP-ACTION MEMBER FOR CONTROLLING OPENING MOVEMENT OF SAID VALVE MEMBERS, SAID SNAP-ACTION MEMBER WHEN SNAPPED OVER CENTER IN ONE DIRECTION ONLY OPENING SAID MAIN VALVE MEMBER, SAID SNAP-ACTION EXTERNAL PERIMETER OF MOVEMENT OF SAID STOP STRUCTURE ON SAID CONTROL WHEEL; SAID FIRST MOVABLY MOUNTED RESILIENT AMPLIFYING MEMBER DISPOSED BETWEEN SAID SNAPACTION MEMBER AND SAID STEM TO CAUSE SAID SUPPLEMENTAL VALVE MEMBER TO SUBSTANTIALLY SNAP OPEN EVEN THROUGH SAID SNAP-ACTION MEMBER HAD PREVIOUSLY BEEN SNAPPED OVER CENTER.