| 摘要 |
An object of the invention is to provide a manipulator that is excellent in controllability since respective rotating portions are rotated by respective double-acting type cylinders, excellent in safety, and does not adversely impact the environment since water is used as its operating fluid. The manipulator disposed on a supporting structure such as a robot fuselage and a cradle, etc., at a work site in a factory, which comprises an arm member, a fixing shaft fixed on the arm member, another arm member for axially supporting the fixing shaft, and a double-acting hydraulic pressure drive type cylinder in which a cylinder portion is disposed at one arm member, and a piston portion is disposed at another arm member, or a double-acting hydraulic pressure drive type cylinder in which a cylinder portion is disposed at another arm member and a piston portion is disposed at one arm member.
|
