Adjustable load-bearing arm, device for suspending a load

摘要

The load support arm has a framework that is made in a shape of the parallelogram. A jack is provided with a main housing and piston. The sides of the jack are coupled with the fixed link and primary and secondary connection rods. The pressure in the jack is adjusted according to the weight of the load supported by a support arm. The two structures of support arm are fixed to a fixed link in variable direction axis regarding the primary and secondary connection rods.