The robot device by this invention, just specified angle turning the finger which has the retention expedient which keeps suffering processing ones being the robot device which delivers aforementioned suffering processing ones, alienating with the 1st finger and the 2nd finger mutually and to be provided in the drive shaft of the aforementioned robot device, the aforementioned 1st finger, in order to alienate from the rotary center mutually, extending to have with the 1st arm and the 2nd arm which appear with specified angle, as for the aforementioned 2nd finger, from that rotary center mutually alienationIn order to do, extending it possesses with the 3rd arm and the 4th arm which appear with specified angle, when aforementioned 1st arm and aforementioned 3rd arm, being piled up with axial direction of aforementioned drive shaft, the aforementioned 2nd arm and the aforementioned 4th arm, being in the position where it alienates mutually, feature. It is possible furthermore to improve productivity without causing enlargement and hight cost of production.
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