.~ With spring means for biasing side wall portion radially {4}
199
.~.~ Adjustable bias (197)
DEFINITION
Classification: 92/199
(under subclass 193) Apparatus in which the force exerted by the spring device may be selectively increased or decreased.
SEE OR SEARCH THIS CLASS, SUBCLASS:
197, for an open ended skirt-type piston provided with a spring member for biasing a portion of the skirt radially, and in which the force exerted by the spring is adjustable. Note "Statement Relating To Placement Of Patents Involving Combination And Subcombination Subclasses" of the Class Definition and the paragraph following the title in the schedule of this class.
