Patent ID: 7240896
Filing Date: 2007-07-10
Classification: F02M,Y10S

Abstract:
1. A fuel adjustment assembly for a carburetor comprising: a carburetor body having a needle valve receptacle having a rotation axis; a fuel passage defined by the body; a cavity defined by the receptacle and communicating with the fuel passage; a bore in the body and communicating with the cavity, the bore having a centerline disposed at an angle to and radially spaced from the rotation axis and the bore opening generally radially into only one side of the receptacle; a hollow retainer of a resilient material fitted into the bore, the retainer having an exterior surface having a portion contacting the carburetor body and a portion projecting into and exposed in the valve receptacle, with the retainer exposed in less than the entire circumference of the valve receptacle; and a needle valve having an elongated shank engaged threadably to the receptacle and a tip, the needle valve displacing a portion of the resilient retainer in the receptacle to frictionally retain and impart a force to laterally bias the needle valve into a steadfast position of the tip relative to the cavity.