US PATENT SUBCLASS 92 / 195
.~.~ Open ended hollow skirt comprises biased portion

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

172  DF  PISTON {19}
193  DF  .~ With spring means for biasing side wall portion radially {4}
195.~.~ Open ended hollow skirt comprises biased portion {3}
196  DF  .~.~.~> Spring part positioned in skirt slit
197  DF  .~.~.~> Adjustable bias (199)
198  DF  .~.~.~> Split annular type spring (200)

DEFINITION

Classification: 92/195

(under subclass 193) Apparatus in which the radially movable side wall portion is, or is a part of an elongated hollow tubular skirt-like member closed at one end by the end face portion and being open at the opposite end.