A method and device are provided for lifting and conveying bale rubber from a pallet. The method may include rotationally driving a plurality of claws about a support shaft inside a claw housing case and gripping the bale rubber by protruding the plurality of claws from the case and piercing the plurality of claws into the upper surface of the bale rubber while the case is abutted against the bale rubber. A contact sensor may be provided for detecting contact of the case with the bale rubber, and with a contact signal thereof, a grip safety mechanism of the drive mechanism is disabled to allow the claws to be driven. Furthermore, a press sensor that detects a pressing load applied to the transfer place of the bale rubber may be provided so as to provide a release safety mechanism that allows gripping of the bale rubber to be released.