Robot having a joint terminal for receiving end effectors (3), which is actuated by two articulated arm systems (1, 2) which on one hand together form said end articulation, their other ends being connected to the rotors of two motors drive (5). The stators of such motors are connected to diametrically opposite positioning column (13) which is itself connected to a base (14). Commands disposed inside the articulated arm system used to position the end effectors in space. These systems include suitable motors (19) which are integral with the base (14). The robot can thus freely rotate about its main axis (A2), without being limited by the power or control lines.
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