US PATENT SUBCLASS 123 / 90.33
.~ Lubrication

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

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.33.~ Lubrication {5}
90.34  DF  .~.~> Camshaft
90.35  DF  .~.~> Tappet as conduit
90.36  DF  .~.~> Rocker fulcrum as conduit
90.37  DF  .~.~> Seals and shields
90.38  DF  .~.~> Housings

DEFINITION

Classification: 123/90.33

(under subclass 90.1) Device wherein means is provided for supplying, or controlling a supply of, lubricant to one or more elements of the operating mechanism.

SEE OR SEARCH THIS CLASS, SUBCLASS:

196, for lubricating means in general for internal combustion engines.

SEE OR SEARCH CLASS

184, Lubrication,

6, for lubricating systems for machines, particularly the bearing parts thereof, where no special combination exists between the system and the machine. 251, Valves and Valve Actuation,

355, for lubricating a valve of more general utility.