Patent ID: 8171818

Claim:
A robot comprising: a fixed body which is at least unmovable in a vertical direction; a movable body which is movably connected to the fixed body in a predetermined movable range in the vertical direction and which has an end to which a tool is attached, the tool performing operations on a workplace; and a flat-shaped cable bundle having a plurality of cables for electric power supply and control communication among the fixed and movable bodies, the cable bundle having two ends in a lengthwise direction thereof, one end of which is fixedly connected to a fixing position of the fixed body and the other of which is fixedly connected to a fixing position of the movable body, the cable bundle having a drooping portion drooping from both fixing positions in the vertical direction, wherein the cable bundle has a length which permits the drooping portion thereof to operate such that: i) when the movable body is equal to or higher than the position of the fixed body in the vertical direction in a state where the movable body is located at a highest position within the movable range, the drooping portion of the cable bundle takes a position above a lower end of the fixed body in the vertical direction; ii) while the movable body is moving downward in the vertical direction, the drooping portion of the cable bundle moves downward together with the movable body, while maintaining a position of the drooping portion above the lower end of the movable body; and iii) when the movable body reaches a lowest position within the movable range, the drooping portion of the cable bundle takes a position above the lower end of the movable body.