.~.~> Part and stem relatively axially adjustable {1}
DEFINITION
Classification: 92/113
(under subclass 109) Apparatus including an elongated member which is movable relative to the piston, at least a portion of said member being positioned within the tubular element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
65, for a working member provided with a hollow axially extending hollow rod, and a second working member having a portion thereon adapted to extend axially through said hollow rod and being movable relative thereto.
108, for a ring shaped piston provided with a rigid axially extending hollow stem, in which the stem moves relative to a portion forming the working chamber for the ring shaped piston which portion extends axially through the stem.
SEE OR SEARCH CLASS
91, Motors: Expansible Chamber Type, 378, for a relatively movable valve element positioned within and movable relative to a hollow piston rod.