Valve lifter guide and method of forming same
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United States of America Patent
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Jun 10, 2014
Grant Date -
Dec 13, 2012
app pub date -
May 7, 2012
filing date -
Oct 21, 2008
priority date (Note) -
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Abstract
A method of molding a valve lifter guide includes determining a flow path of injected material in the mold cavity by including a thin walled section in the formed guide. A leading edge of the material flow path forms a dam when crossing a thin walled section in the mold cavity to change a direction of a portion of the leading edge of the material flow path, until the leading edge meets a trailing edge of the material. The valve lifter guide includes a front wall, rear wall, a first radiused end wall, a second radiused end wall, and a bottom surface having an elongated socket. A tab extending from the valve guide support member has a first projection. The valve guide support member is disposed between the engine block and a cylinder head and the first projection is received in an opening of the engine block.
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