US PATENT SUBCLASS 123 / 90.31
.~ Camshaft drive means

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

90.1  DF  POPPET VALVE OPERATING MECHANISM {19}
90.31.~ Camshaft drive means

DEFINITION

Classification: 123/90.31

(under subclass 90.1) Device wherein means is provided to drive a member (normally a rotating shaft) carrying the actuating element (cam) of the operation mechanism.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclasses for a specific power transfer means.