US PATENT SUBCLASS 123 / 90.52
.~.~ Lash adjustment

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.48  DF  .~ Tappet {4}
90.52.~.~ Lash adjustment {1}
90.53  DF  .~.~.~> Self-operating {2}

DEFINITION

Classification: 123/90.52

(under subclass 90.48) Device wherein the tappet element is provided with means to create, modify or eliminate clearance (lash) in the operating mechanism.