Patent ID: 8517647

Claim:
An adjustable support bracket for a transport wagon used to hold and transport a large object, said transport wagon having a frame with a top surface, opposed side surfaces and a bottom surface, said adjustable support bracket comprising: an angled adjustable seat for supporting a portion of a large object, said angled adjustable seat having a top surface comprising a inclined plate and leg members comprising a rear plate and a front portion, wherein, the leg members are connected to a first plate, wherein, the angled adjustable seat further comprises at least one side plate connected by a hinge mechanism to permit said at least one side plate to be adjusted to a pocket position or a lower position; and a tool-free coupling for removably coupling the adjustable support bracket with the frame of the transport wagon without tools, such that the angled adjustable seat is secured onto the top surface to the frame of the transport wagon and the rear plate and the front portion of the angled adjustable seat are clamped to the side surfaces of the frame of the transport wagon; wherein the angled adjustable seat further comprises a pin to secure said side plate or side plates in the pocket position.