US PATENT SUBCLASS 418 / 128
.~.~.~ With resilient interposed member


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  DF  .~.~ Adjustable {1}
128.~.~.~ With resilient interposed member


DEFINITION

Classification: 418/128

(under subclass 127) Apparatus in which there is provided an elastic biasing means intermediate the selective moving means and the movable, expandable, adjustable or deformable means to urge the last mentioned means into engagement with the rotary member surface.