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					Originally Posted by  Lmackattack
					 
				 
				Yes I used a 1/4 -20 threaded rod with brass bushings  and thrust bearings to carry both top and side load of the rod when moving... 
			
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 I am confused :0/ How much angle do the screw/or arms got when it start lifting the box ?  the greater  the stronger it will get. Any close up photo to look at ?