(under subclass 5) Device wherein a bottom is movable to an inoperative position either by folding against the walker frame or by detaching from the walker frame, so as to permit the user to enter or leave the frame or to move to a standing position to propel the frame.
SEE OR SEARCH THIS CLASS, SUBCLASS:
331+, for a bottom tiltable to an inoperative position.
440.1+, for interfitting components detachably connected by a manipulated joint.