US PATENT SUBCLASS 418 / 212
.~.~ Intermediate member separates and engages plural working members

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

209  DF  PLURAL WORKING CHAMBERS {2}
210  DF  .~ Axially spaced rotating members rotate on common axis {2}
212.~.~ Intermediate member separates and engages plural working members {2}
213  DF  .~.~.~> Plural intermediate members
214  DF  .~.~.~> Interconnected abutments

DEFINITION

Classification: 418/212

(under subclass 210) Apparatus in which a divider element is interposed between adjacent sides of the rotating members for engagement or substantial engagement therewith.