US Patent 7367376 Articulated arm for awnings, with improved elastic effect

An articulated arm for awnings is disclosed. The articulated arm comprises an arm and a forearm, joined together by respective articulation configurations located at adjacent ends of the same, which enables them to move between open and closed positions. There is a flexible tie bar inside the arm, with a second end anchored to the articulation configuration of end of the forearm and linked by a first end to an elastic traction element anchored to a fixed point on the arm and an elastic compression element located between a stop on the flexible tie bar and a support of the end of the arm in order to produce tension in the tie bar on moving from the open position to closed, generating torque tending towards the open position.