(under subclass 340) Device wherein movement of either the back to various positions of inclinations or movement of the bottom to a position advanced of its initial position causes the other to move concurrently.
(1) Note. The bottom may also move vertically as it moves horizontally.
SEE OR SEARCH THIS CLASS, SUBCLASS:
282, for an oscillating bottom suspended from an armrest.
317+, for a bottom which tilts and slides forwardly concurrently with a movement of the back.
322, for relatively concurrently movable bottom and back which moves horizontally while tilting. 329, for a bottom-and-back unit which moves horizontally while tilting.
354.1+, for a tilting back, per se.
SEE OR SEARCH CLASS
5, Beds,
44.1, for a sofa bed in which a forward-turning back may horizontally advance a seat section; subclasses 47+ for a sofa bed in which a sliding and pivoting back may advance a seat horizontally.
248, Supports,
127+, for a stand with a horizontally movable support surface.