Patent ID: 7192042

Claim:
A wheelchair including: a seat back; a frame rail; a seat back fold-down mechanism supporting said seat back for folding movement relative to said frame rail between a folded position and an unfolded and locked position, said seat back fold-down mechanism including a first releasable locking mechanism for releasably locking said seat back in the unfolded and locked position; and a seat back angle adjustment mechanism for adjusting the angle of said seat back relative to said frame rail when said seat back is in the unfolded and locked position, said seat back angle adjustment mechanism including a second releasable locking mechanism for releasably locking said seat back at any selected one of a plurality of different angles relative to said frame rail; said seat back fold-down mechanism enabling folding movement of said seat back between the folded position and the unfolded and locked position without releasing said second releasable locking mechanism when said seat back is locked in any selected one of the plurality of different angles relative to said frame rail; said seat back having a portion that slides along said frame rail as the seat back angle is adjusted.