Cam roller pin with transverse grooves
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United States of America Patent
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Feb 1, 2011
Grant Date -
Dec 6, 2007
app pub date -
Jun 6, 2006
filing date -
Jun 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A roller pin for carrying a cam roller in a tappet assembly is provided. The roller pin providing reduced run in time and reduced peak and localized contact pressure between the cam roller and roller pin. The roller pin comprises a substantially cylindrical shaft having a length, a first end and a second end. The length extends from the first end to the second end. The shaft includes a plurality of grooves axially spaced apart and extending in a direction being transverse to the length. The plurality of grooves located proximate the first and second ends and extending only partially the circumference of the shaft.
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