Choke control for carburetor

Claim 1

IN A FUEL CHARGING DEVICE FOR AN INTERNAL COMBUSTION ENGINE, AIR INLET CONDUIT MEANS, UNBALANCED CHOKE VALVE MEANS IN SAID CONDUIT MEANS SUSCEPTIBLE TO BEING URGED TO AN OPEN POSITION BY THE FORCE OF AIR FLOWING IN SAID INLET CONDUIT MEANS, THERMOSTATIC MEANS RESPONSIVE TO DECREASING TEMPERATURE FOR YIELDINGLY CLOSING SAID CHOKE VALVE MEANS FAST IDLE CAM MEANS PIVOTAL BETWEEN COLD AND WARM POSITIONS, MEANS YIELDINGLY URGING SAID FAST IDLE CAM MEANS TOWARDS ITS WARM POSITION, A THROTTLE VALVE IN SAID CONDUIT MEANS, IDLE CONTROL MEANS MOVABLE WITH SAID THROTTLE VALVE AND ENGAGEABLE WITH SAID CAM MEANS AT THE COLD POSITIION UPON CLOSING MOVEMENT OF SAID THROTTLE VALVE TO LIMIT SAID CLOSING MOVEMENT TO A SLIGHTLY OPEN FAST IDLE POSITION AND ALSO TO PREVENT PIVOTING OF SAID CAM MEANS UNTIL SAID THROTTLE VALVE IS OPENED FROM SAID FAST IDLE POSITION, MEANS RESPONSIVE TO THE PRESSURE IN SAID CONDUIT MEANS DOWNSTREAM OF SAID THROTTLE VALVE FOR YIELDINGLY OPENING SAID CHOKE VALVE MEANS TO AN INTERMEDIATE IDLE POSITION AGAINST THE TENSION OF SAID THERMOSTATIC MEANS WHEN SAID THROTTLE VALVE IS OPENED FROM SAID FAST IDLE POSTION, AND RESTRICTING MEANS TO RESTRICT THE INITIAL OPENING OF SAID CHOKE VALVE MEANS TO PREVENT A SUDDEN FLOW OF INLET AIR IN SAID CONDUIT MEANS SUFFICIENT TO STALL SAID ENGINE IMMEDIATELY AFTER THE LATTER HAS BEGUN TO OPERATE UNDER ITS OWN POWER WITH SAID CAM MEANS AT SAID COLD POSITION AND SAID THROTTLE VALVE AT SAID FAST IDLE POSITION AND TO ENABLE OPENING OF SAID CHOKE VALVE MEANS UPON ROTATION OF SAID CAM MEANS FOR SAID COLD POSITION TO SAID INTERMEDIATE IDLE POSITION, SAID RESTRICTING MEANS COMPRISING A LINK PIVOTALLY CONNECTED AT ONE END WITH SAID CHOKE VALVE MEANS TO MOVE THEREWITH, A LOST MOTION SLOT EXTENDING IN SAID CAM MEANS AND HAVING THE OTHER END OF SAID LINK MOVABLY CONNECTED THEREIN TO RIDE THEREALONG AND TO ENGAGE SAID CAM AT ONE END OF SAID SLOT AND PIVOT SAID CAM MEANS TO SAID COLD POSITION UPON CLOSING OF SAID CHOKE VALVE MEANS, SAID SLOT AT SAID ONE END THEREOF EXTENDING TRANSVERSELY TO THE DIRECTION OF FORCE APPLIED THROUGH SAID LINK TO ITS SAID OTHER END BY FORCE TENDING TO OPEN SAID CHOKE VALVE MEANS WHEN SAID CAM MEANS IS AT SAID COLD POSITION, AND A DETENT SLOT EXTENDING IN SAID CAM MEANS IN SAID DIRECTION AND OPENING INTO SAID LOST MOTION SLOT AT SAID ONE END OF HE LATTER TO RECEIVE SAID OTHER LINK END AND BLOCK MOVEMENT THEREOF ALONG SAID LOST MOTION SLOT TO LIMIT OPENING OF SAID CHOKE VALVE MEANS SUFFICIENTLY TO PREVENT SAID SUDDEN FLOW WHEN SAID CAM MEAMS IS AT SAID COLD POSITION, SAID LOST MOTION SLOT AT SAID ONE END THEREOF BEING ALIGNED WITH SAID DIRECTION WHEN SAID CAM MEANS IS AT SAID INTERMEDIATE IDLE POSITION TO RECEIVE AND GUIDE SAID OTHER LINK END ALONG SAID MOVEMENT LIMITING SLOT IN THE DIRECTION FROM SAID ONE SLOT END UPON OPENING MOVEMENT OF SAID CHOKE VALVE MEANS INDEPENDENTLY OF MOVEMENT OF SAID CAM MEANS.