US PATENT SUBCLASS 418 / 155
.~.~.~ Extending from working member side

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

152  DF  NON-METALLIC WORKING MEMBER, CYLINDER OR PARTITION {1}
153  DF  .~ Resilient {1}
154  DF  .~.~ Partition integral with working member {1}
155.~.~.~ Extending from working member side

DEFINITION

Classification: 418/155

(under subclass 154) Apparatus in which the vane extends axially from a working member side to engage and be deflected by the undulating surface of the opposing working chamber side to expand and contract the working chamber.