US PATENT SUBCLASS 123 / 90.39
.~ Rocker

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

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.39.~ Rocker {5}
90.4  DF  .~.~> Plural valves
90.41  DF  .~.~> Individually fulcrumed {2}
90.44  DF  .~.~> Cam engaged
90.45  DF  .~.~> Lash adjustment {1}
90.47  DF  .~.~> Yieldable engagement

DEFINITION

Classification: 123/90.39

(under subclass 90.1) Device comprising a pivoted element, usually directly engaging a valve stem, which transmits the motion developed in the operating mechanism to the valve.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

519+, and 559, for linkage system elements in the form of a lever and a rocker arm, respectively.