US PATENT SUBCLASS 92 / 203
.~.~.~ Adjustment effected by wedge member movable relative to skirt (207)

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}
202  DF  .~.~ Adjustable portion comprises open-ended hollow skirt {1}
203.~.~.~ Adjustment effected by wedge member movable relative to skirt (207)

DEFINITION

Classification: 92/203

(under subclass 202) Apparatus in which the means for effecting lateral movement of the skirt-like member comprises an element having a bevelled surface, said element being movable relative to said skirt-like member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207, for a radially adjustable side wall portion in which the adjustment is effected by a wedge member movable relative to the side wall portion.