Wheelchair back mounting assembly

An apparatus for mounting a wheelchair back to a wheelchair post, comprising:

• a mounting clamp assembly for attachment to the wheelchair post, said mounting clamp assembly comprising at least one horizontally disposed support post and an attachment band for encircling the wheelchair post, and said attachment band being pivotable from an open position for mounting on the wheelchair post to a closed position wherein the band encircles the wheelchair post;
• a mounting assembly comprising a hanger arm defining a hook for removable engagement of the mounting clamp assembly support post and a self-locking latch pivotally mounting to the hanger arm, the latch defining a locking notch;
• the latch being pivotal between a locked position in which the latch locking notch and the hook define a substantially closed hole and an unlocked position in which the hanger arm hook can be connected to or removed from the wheelchair post support pin;
• the latch being shaped and weighted such that the latch will move to the locked position under the force of gravity.