US PATENT SUBCLASS 74 / 519
.~.~ Levers

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
*  DD  .~ Elements {8}
519.~.~ Levers {5}
520  DF  .~.~.~> Toggle {1}
522  DF  .~.~.~> Adjustable
522.5  DF  .~.~.~> Swing posts
523  DF  .~.~.~> Hand {2}
526  DF  .~.~.~> Stops

DEFINITION

Classification: 74/519

(under subclass 469) Elements consisting of rigid structures which turn freely on a fixed pivot and impart pressure or motion from a source of power.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

90.39+, for a lever element in a poppet valve operating mechanism.