US PATENT SUBCLASS 92 / 135
.~ Biasing means engages working fluid contacting portion of working member

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

130 R  DF  WITH SEPARATE BIASING MEANS FOR WORKING MEMBER {9}
135.~ Biasing means engages working fluid contacting portion of working member

DEFINITION

Classification: 92/135

(under subclass 130) Apparatus in which the force exerting means includes a portion thereof in force transmitting engagement with the working member end face.