US PATENT SUBCLASS 418 / 214
.~.~.~ Interconnected abutments

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  DF  .~.~ Intermediate member separates and engages plural working members {2}
214.~.~.~ Interconnected abutments

DEFINITION

Classification: 418/214

(under subclass 212) Apparatus in which there is provided at least one partition or abutment member for each of the spaced working members against which working fluid reacts and means is provided to engage a partition member of one working member with a partition member of another working member so that a movement of one of the partition members causes a concurrent movement of the other partition member.