Sewer regulator operating apparatus

Claim 1

IN A SEWER REGULATOR HAVING A MOVABLE GATE MOUNTED FOR RECIPROCAL SUBSTANTIALLY VERTICAL MOVEMENT TO AND FROM OPEN AND CLOSED POSITIONS TO THEREBY REGULATE SEWER FLOW, A MOVABLE FLOAT RESPONSIVE TO THE SEWER FLOW BY RISING AND FALLING AND ADAPTED TO RISE AND FASS AS SEWER FLOW RISES AND FALLS, AND A TRANSMISSION TRAIN IN ENGAGEMENT WITH THE FLOAT AND INCLUDING A CONNECTING ROD IN ENGAGEMENT WITH THE GATE FOR OPERATIVELY CONNECTING THE FLOAT TO THE GATE TO CAUSE THE GATE TO RISE AND OPEN AND ALLOWING IT TO FALL AND CLOSE AS THE FLOAT FALLS AND RISES; THE COMBINATION THEREWITH OF A COLLAR ABOUT AND IN ENGAGEMENT WITH THE CONNECTING ROD AND BEING MOVABLE THEREWITH IN AN RECIPROCATING PATH TO RISE WHEN THE CONNECTING ROD RAISES THE GATE AND TO FALL WHEN THE CONNECTING ROD LOWERS THE GATE; AND A SPRING ARM HAVING ONE END FIXED AGAINST MOVEMENT RELATIVE TO THE CONNECTING ROD AND THE OTHER END BEING FREE TO MOVE AND IN A POSITION ALONG THE PATH OF COLLAR MOVEMENT TO BE ENGAGED BY THE COLLAR AS THE COLLAR MOVES THROUGH A CLOSING PHASE OF A DOWNWARD STROKE AND THE BEGINNING PHASE OF A SUCCESSIVE UPWARD STROKE IN ITS RECIPROCAL MOVEMENT WHEREFORE THE SPRING ARM BEING FIRST DISTORTED DURING GATE CLOSING EXERTS BIAS TO URGE GATE OPENING.