Patent ID: 8231045

Claim:
A welding crane for welding objects, which welding crane comprises: an arm including at least a first and a second segment which are arranged with their respective length axes essentially parallelly and which are telescopically movable along their length axes in relation to each other so that at least a second segment of said segments at least partly slides into at least a first segment of said segments, wherein at least one of the first segment and the second segment comprises an upper side wall, a lower side wall and a connecting side wall connecting the upper side wall and the lower side wall, a stand, and a welding head arranged in a distal end of an outermost segment of said segments of the arm, and wherein an innermost segment of said segments of the arm is suspended in the stand; at least one linear guide, which comprises at least one rail and at least one sled which is arranged to slide along the at least one rail, the at least one sled being arranged between the upper side wall and the lower side wall and adjacent to said connecting side wall of at least one of the first segment and the second segment, the at least one linear guide is arranged on at least a first segment of said segments and that a co-operating part of said at least one linear guide is arranged on at least a second segment of said segments, wherein the at least one linear guide is adapted to allow said telescopic movement.