Keep in mind; I�m from the garage door world.� Bearings with bolt on flanges, spring, torsion bar and collars are common parts in my world.� This is what popped into my head.� Note:� After further review, the �tension arm� would probably need to be moved to the inside of the table top angle.� This design looks like it would fold up with the rest of the implement.
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I also thought that maybe the table mount could be made so it�s adjustable.