US PATENT SUBCLASS 418 / 127
.~.~ Adjustable

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

104  DF  WITH MECHANICAL SEALING {14}
125  DF  .~ Seal on cylinder engaging rotary member separates inlet and outlet ports {3}
127.~.~ Adjustable {1}
128  DF  .~.~.~> With resilient interposed member

DEFINITION

Classification: 418/127

(under subclass 125) Apparatus in which means is provided to selectively move the movable, expandable, adjustable or deformable means into sealing engagement with the rotary member surface.