US PATENT SUBCLASS 123 / 56.9
.~.~.~ Multiple cam drives

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

52.1  DF  MULTIPLE CYLINDER {7}
56.1  DF  .~ Having rotary output shaft parallel to cylinders {2}
56.2  DF  .~.~ Cam on rotary output shaft {4}
56.9.~.~.~ Multiple cam drives

DEFINITION

Classification: 123/56.9

Multiple cam drives:

(under subclass 56.2) Multiple cylinder engine wherein the rotary output shaft includes at least two contoured disks or drums and at least one piston linked by a follower arrangement to the contoured surface of the cam, so that reciprocating motion of the pistons is converted into rotary motion of the output shaft.