Self-lift carburetor

Claim 1

A COMBINATION CARBURETOR AND CONTROL MECHANISM COMPRISING: (A) AN AIR MIXING PASSAGE OF SUBSTANTIALLY CONSTANT CROSS-SECTION, (B) A SINGLE CONTROL VALVE MEMBER PIVOTALLY POSITIONED IN SAID PASSAGE TO CONTROL THE FLOW OF AIR THROUGH SAID PASSAGE AND DIMENSIONED TO CREATE A REDUCED FLOW AREA IN THE PASSAGE IN THE VICINITY OF SAID VALVE TO CAUSE INTRODUCTION OF FUEL INTO SAID PASSAGE THROUGH FUEL PORTS OPEN TO THE PASSAGE, SAID VALVE BEING MOVABLE TO AN IDLE POSITION IN ONE EXTREME POSITION, A FULL THROTTLE POSITION IN A MID-POSITION AND A CHOKE POSITION IN THE OTHER EXTREMET POSITION, (C) MEANS TO PIVOTALLY MOUNTED SAID VALVE IN SAID PASSAGE, (D) AN ACTUATOR MEMBER FOR SAID VALVE, SAID VALVE AND ACTUATOR BEING UNRESTRAINEDLY MOVABLE BETWEEN SAID EXTREME POSITIONS, (E) A CONTROL MEMBER FOR SAID ACTUATOR TO MOVE SAID ACTUATOR MEMBER AND SAID VALVE TO VARIOUS CONTROL POSITIONS IN SAID PASSAGE, INCLUDING IDLE, FULL THROTTLE, OR CHOKE, AND (F) MEANS ON SAAID ACTUATOR MEMBER AND MEANS ON SAID CONTROL MEMBER OPERATIVELY ASSOCIATED TO MECHANICALLY BLOCK MOTION OF SAID VALVE TO CHOKE POSITION WHEN SAID CONTROL MEMBER IS IN IDLE, FULL THROTTLE, OR INTERMEDIATE POSITIONS.