Patent attributes
A transport vehicle includes at least one rack, a top plate, an arm attached to the top plate and extendable and retractable in a horizontal direction, a rotation mechanism that changes an extension direction of the arm by rotating the top plate with a vertical direction as a rotation axis, and a control unit that controls operation of the rotation mechanism and the arm. The control unit extends and retracts the arm to pull out an object from the at least one rack or a rack installed outside, rotates the top plate on which the pulled-out object is placed, and extends the arm to store the object in the rack when the object has been pulled out from the at least one rack, and extends the arm to store the object in the at least one rack when the object has been pulled out from the rack.
