Patent ID: 6848333

Claim:
An industrial robot, comprising: a first robot part; a second robot part movably arranged with respect to the first robot part; and a balancing arrangement operatively connected to the first robot part and the second robot part to counteract gravity when the robot parts are pivoted, the balancing arrangement comprising a housing having a first end and a second end, a first attachment attached to the first end of the housing and a second attachment, the first attachment and the second attachment being operative to pivotably attach the balancing arrangement to the first robot part and the second robot part, a telescopic unit comprising a guide tube attached to a first end of the housing and a pull rod slidably arranged about the guide tube, wherein the second attachment is operatively connected to the guide tube, a first spring seat arranged at the second end of the housing, a second spring seat operatively connected to the pull rod, and a helical spring unit arranged between the first spring seat and the second spring seat.