ES188466U - An adjustable bracket arm structure, adapted to carry a load. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

An adjustable support arm structure adapted to carry a load including a support, an elongated adjustable arm provided with an inner end and an outer end, means pivotally connecting the inner end of the arm to the support, a means of load support on the outer end of the support adapted to support a load, a balancing beam that includes a pair of arms pivotally connected to the support by a pivot shaft, means that actively interconnect the inner end of the elongated arm with a rocker arm at a certain distance from the pivot axis, elastic means actively subject to the other rocker arm and at a certain distance from the pivot axis and the connection of the inner end to the rocker, in order to counter-balance substantially the load, including the balancing beam, a pair of arms arranged so that they form an angle one with respect to the other, the pivot axis being substantially located between the arms, and the elongate arm including a pair of elongated joints and a pair of relatively short joints, one of said short joints connecting the associated ends of the long joints at the inner extremity of the long arm, and connecting the other of said short joints in a pivoting manner the associated ends of the long joints at the outer end of the long arm. (Machine-translation by Google Translate, not legally binding)