发明授权
US4505636A Robot machines 失效
机器人机器

Robot machines
摘要:
In a robot machine, a hand is rotatably mounted on one end of an arm. The hand is provided with two sets of grasping units each including a pair of opposed fingers which are used to grasp or release an article, for example, a workpiece to be machined by a machine tool. A piston-cylinder assembly is provided for rotating the hand through a ninety degree angle.
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