US PATENT SUBCLASS 418 / 233
.~ Radially pivoted vane

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

228  DF  AXIALLY MOVING VANE OR ABUTMENT {2}
233.~ Radially pivoted vane

DEFINITION

Classification: 418/233

(under subclass 228) Apparatus comprising a movable vane which has oscillatory movement about an axis normal to and intersecting the working member rotational axis.