Patent ID: 6814343
Filing Date: 2004-11-09
Classification: F02M

Abstract:
A carburetor comprising:a main body; a throttle valve carried by the main body via a shaft having an end with an arm fixed thereto, the throttle valve being movable in response to movement of the arm to adjust the quantity of a fuel and air mixture supplied to an engine; a carrier member carried by the main body and including a threaded bore formed therein; an idle speed adjustment screw adjustable to change and control an idle position of the throttle valve, the idle speed adjustment screw including a solid shank for insertion into the threaded bore; and the idle speed adjustment screw formed of a polymeric material wherein the shank of the idle speed adjustment screw is deformed by engagement with the threaded bore for retaining the idle speed adjustment screw in its adjusted position in the threaded bore.