US PATENT SUBCLASS 251 / 261
.~.~.~ Center crank type

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

213  DF  MECHANICAL MOVEMENT ACTUATOR {10}
251  DF  .~ Cam {3}
257  DF  .~.~ Encased with seal {4}
261.~.~.~ Center crank type

DEFINITION

Classification: 251/261

(under subclass 257) Subject matter wherein the cam comprises a rock shaft which has an off-set rod-like portion that has an axis perpendicular to the axis of the valve head, the off-set portion being connected to the rock shaft by two arms (i.e., U-shaped).