SLEEVED ROCKER SHAFT FOR TYPE III HEAVY DUTY VALVE TRAIN
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United States of America Patent
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Issued Date -
Sep 22, 2022
app pub date -
Jun 9, 2022
filing date -
Dec 19, 2019
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Abstract
A rocker shaft assembly configured to support a rocker arm and deliver oil to the rocker arm and related method of making is provided. The rocker shaft assembly includes a core shaft and a sleeve. The core shaft has a core body including a main oil supply channel formed thereon. The sleeve has passages formed thereon. The sleeve is disposed around the core shaft. The main oil supply channel aligns with at least one of the passages on the sleeve. The main oil supply is milled into the core shaft.
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