US PATENT SUBCLASS 123 / 90.62
.~.~ Self-adjusting

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

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.61  DF  .~ Rod {2}
90.62.~.~ Self-adjusting {1}
90.63  DF  .~.~.~> Hydraulic

DEFINITION

Classification: 123/90.62

(under subclass 90.61) Device wherein the rod element includes a length-changing means which functions on its own initiative in response to the presence of an incorrect amount of clearance (lash) in the operating mechanism.