Patent ID: 8979151
Filing Date: 2015-03-17
Classification: B21J,B25J,Y10S

Abstract:
1. A robot hand comprising: (a) an outside section adapted for always remaining outside of a high-temperature area, the outside section including: (i) a base unit attached to a front end of a robot arm; (ii) a driving unit attached to the base unit; and (iii) a proximal end support adapted to support near proximal ends of a plurality of shafts connected to the driving unit, wherein the proximal end support is configured to support the shafts via a bearing; and (b) an entry section adapted for entering the high-temperature area, the entry section including: (i) a frame extending from the base unit and covering intermediate portions of the shafts; (ii) a distal end support provided in the frame and configured to support near distal end portions of the shafts, the distal end support including a plurality of support holes each larger than an outer diameter of each of the corresponding shafts such that the shafts are inserted into the support holes, respectively; and (iii) holding units each attached to each of the corresponding shafts and configured to hold a workpiece such that the workpiece is held by and released from the holding units by making the driving unit drive the shafts and thereby open and close the holding units.