A mounting clamp assembly for mounting a wheelchair back to a wheelchair post is disclosed. The mounting clamp assembly comprises a band mechanism connectable to the wheelchair post. The band mechanism includes a clamp block (50) and a band (77) with opposed arms. The band (77) extends around the forward surface (64) of the clamp block (50) to define a space between the forward surface the clamp block and the band (77) to encircle the wheelchair post. The band is pivotably connected at one arm to a first side of the clamp block so it can be pivoted to an open position for attachment to the post and pivoted to a closed position where the band encircles the post. A support post (30) extending from the clamp allows attachment of the wheelchair back rest.
