(under subclass 294) Structures in which the components are rectilinearly and nonpivotally movable to, or from, housed position in any direction which is not horizontal. The component may have pivotal motion before, but not after, it begins to move rectilinearly to housed position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
272, for interconnected movable components, at least one of which is vertically and nonpivotally movable.
