Carburetor with plastic idle speed adjustment screw
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United States of America Patent
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-
Nov 9, 2004
Grant Date -
Jun 10, 2004
app pub date -
Dec 10, 2002
filing date -
Dec 10, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A carburetor including a main body and a throttle valve received in a mixing passage through the main body. The throttle valve is movable to adjust the quantity of a fuel and air mixture supplied to an engine. A carrier member on the main body has a threaded bore in which a shank of an idle speed adjustment screw is received to adjust and control the idle position of the throttle valve. The idle speed adjustment screw is formed of a polymeric material such that the shank is deformed by engagement with the threaded bore to reliably retain the idle speed adjustment screw in its adjusted position in the threaded bore.
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