Patent ID: 6616172
Filing Date: 2003-09-09
Classification: A61G

Abstract:
A cross brace assembly for use on a wheelchair having a seat and at least two wheels, said wheelchair comprising a first side frame member opposing a second side frame member, each of said side frames respectively having a top portion which supports a portion of said wheelchair seat and having a second lower portion which supports at least one of the wheels of the wheelchair, said cross brace assembly comprising:a pair of cross arms having an intermediate pivot point connecting said cross arms, each of said arms having a lower end pivotally connected to the lower portion of one of said side frame members; a support attached to a lower portion of at least one of said cross arms which non-latchingly contacts and supports an upper end of the other of said cross arms when the cross brace assembly is in an open position; and two positioning links, each said link pivotally connected at one end to the top portion of a respective said side frame member and pivotally connected at the other end to a respective said cross arm upper end so that said positioning link substantially does not transfer any bearing load between said side frame member and said cross arm upper end, said cross brace assembly connecting and allowing pivotal movement between said side frame members.