Patent ID: 9233411
Filing Date: 2016-01-12
CPC Classification: B21D

Claim Text:
1. A work transfer apparatus comprising: an arm configured to convey workpieces to or from a machine configured to process the workpieces; a crossbar being coupled to the arm, the crossbar including an internal member, and right and left cylindrical external members, one of the right and left cylindrical external members being rotatably provided around an outer surface of one end of the internal member; right and left holding devices being attached to the right and left cylindrical external members, respectively, the right and left holding devices being configured to hold the respective workpieces; and tilt drive devices being coupled to the right and left cylindrical external members, one of the tilt drive devices being configured to rotate the one of the right and left cylindrical external members having one of the right and left holding devices, around the outer surface of the one end of the internal member independently of the other of the right and left cylindrical external members having the other of the right and left holding devices.