(under subclass 188.08) Holder or receptacle located beneath the seating portion consisting of a container element adapted for linear movement relative to the seat, the closed end of the container being a front wall and the access opening of the container being located such that when the receptacle is moved directly underneath the seat, the opening is concealed.
SEE OR SEARCH CLASS
312, Supports: Cabinet Structure,
330.1+, for a cabinet with a horizontally adjustable component and subclasses 235.2+ for a cabinet combined with generic seat.