Industrial robot equipped with a cable extending means

Claim 1

An industrial robot comprising: a base; a cylindrical fixed robot body fixed to the base and having a lower end and an interior space adapted for accommodating a drive source for a swivel body; the swivel body mounted on the fixed robot body, and capable of swivelling about a first axis of swivel motion; a robot arm mechanism pivotally joined to the swivel body; a cable extending means for collectively holding cables extended from the lower end of the fixed robot body toward the robot arm mechanism, said cable extending means including: cable guide means placed longitudinally along and outside the fixed robot body, an upper bearing member pivotally supporting said cable guide means on one end on the first axis of swivel motion of the swivel body, and a lower bearing member pivotally supporting said cable guide means on a second end on the first axis of swivel motion of the swivel body, said cable guide means holding the cables, said cables having a starting point at the lower end of the cylindrical fixed robot body and passing through a central throughhole in the lower bearing member, and said cables extending from the upper end of the cable guide means via a cable clamping point provided on the swivel body; and a connector box attached to the lower end of said fixed robot body, said cables being connected electrically at said starting point to connectors provided on the connector box, said connector box being adapted to support the lowering bearing member supporting the cable guide means and to securely clamp said cables so as to maintain electrical connection between the cables and the connectors.