An automated guided vehicle (AGV) comprising: a frame ; a left wheel coupled to a left motor mounted on the frame; a right wheel coupled to a right motor mounted on the frame; a motor controller that controls the left motor and the right motor; a radio frequency transceiver coupled to the motor controller; a rechargeable battery coupled to the frame for powering the motor controller, the left motor and the right motor; characterized in that the AGV further comprises a payload holder column mounted on a center of an upper surface on the frame of the AGV; and a connector joint coupled to the payload holder column, the connector joint comprising: a head tube , a lower rotational member within a lower portion of the head tube, an upper rotational member within an upper portion of the head tube, a holder cup having an upper cylindrical portion within the upper rotational member and a lower cylindrical portion within the lower rotational member to rotate within the head tube, an annular elastomer holder within the upper cylindrical portion of the holder cup, and a first shell placed against a cylindrical inner surface of the annular elastomer holder, wherein an outer diameter of the upper rotational member is substantially the same as an inner diameter of an upper cylindrical surface of the upper portion of the head tube and an outer diameter of the lower rotational member is substantially the same as an inner diameter of a lower cylindrical surface of the lower portion of the head tube, wherein an outer diameter of the upper cylindrical portion of the holder cup is substantially the same as an inner diameter of the upper rotational member and an outer diameter of the lower cylindrical portion of the holder cup is substantially the same as an inner diameter of the lower rotational member, wherein the inner diameter of the lower rotational member is smaller than the inner diameter of the upper rotational member. a frame ; a left wheel coupled to a left motor mounted on the frame; a right wheel coupled to a right motor mounted on the frame; a motor controller that controls the left motor and the right motor; a radio frequency transceiver coupled to the motor controller; a rechargeable battery coupled to the frame for powering the motor controller, the left motor and the right motor; characterized in that the AGV further comprises a payload holder column mounted on a center of an upper surface on the frame of the AGV; and a connector joint coupled to the payload holder column, the connector joint comprising: a head tube , a lower rotational member within a lower portion of the head tube, an upper rotational member within an upper portion of the head tube, a holder cup having an upper cylindrical portion within the upper rotational member and a lower cylindrical portion within the lower rotational member to rotate within the head tube, an annular elastomer holder within the upper cylindrical portion of the holder cup, and a first shell placed against a cylindrical inner surface of the annular elastomer holder, wherein an outer diameter of the upper rotational member is substantially the same as an inner diameter of an upper cylindrical surface of the upper portion of the head tube and an outer diameter of the lower rotational member is substantially the same as an inner diameter of a lower cylindrical surface of the lower portion of the head tube, <EOS>