US PATENT SUBCLASS 92 / 125
.~.~ Vane includes non-metallic peripheral sealing portion

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

120  DF  OSCILLATING WORKING MEMBER OR CYLINDER THEREFOR {1}
121  DF  .~ Oscillatory shaft with radially extending vane {4}
125.~.~ Vane includes non-metallic peripheral sealing portion

DEFINITION

Classification: 92/125

(under subclass 121) Apparatus in which the blade-like member is provided with a nonmetallic portion along the periphery thereof adapted to sealingly engage a working chamber wall portion.