US PATENT SUBCLASS 418 / 193
.~.~ Axially moving

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

191  DF  INTERENGAGING ROTATING MEMBERS {9}
192  DF  .~ With movable partition {1}
193.~.~ Axially moving

DEFINITION

Classification: 418/193

(under subclass 192) Apparatus wherein the displaceable partition element is moved in a direction along or parallel to the axis of rotation of the working member of which it is a part.