US PATENT SUBCLASS 92 / 206
.~.~.~ With beveled abutting surfaces between side wall portion and an end member

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

172  DF  PISTON {19}
201  DF  .~ Radially adjustable side wall portion {4}
205  DF  .~.~ Side wall portion positioned between relatively axially adjustable rigid end members {1}
206.~.~.~ With beveled abutting surfaces between side wall portion and an end member

DEFINITION

Classification: 92/206

(under subclass 205) Apparatus in which the surfaces of one of said rigid end members and side wall portion at the point of contact between said member and portion are beveled.