the second gripper receives the weft thread at the center of the warp shed from the carrying gripper and transports it to the opposite side of the loom where it releases the same the weft thread grasping and holding members are mounted on head parts of the grippers disposed on opposite sides of a sliding plane along said sliding plane said head parts move side by side cooperating between them for grasping and releasing the weft thread application_number US 11900380 A description as shown in the drawings the pair of grippers according to the invention comprises a carrying gripper 1 and a drawing gripper 2 in which the weft thread grasping and holding means 3 and 4 are mounted on head parts 5 and 6 of the grippers themselves which are arranged on one side and respectively on the other side of a plane u03b1 along which the gripper head parts 5 and 6 slide on each other in their working motion cooperating between them with the mutually sliding parts of each disposed only on one side of that plane for exchanging the weft thread f in the arrangement of fig1 to 3 the plane u03b1 is perpendicular to the plane of the reed p parallel to which are arranged the gripper advancement straps or tapes 7 and 8 sliding in special guiding supports 9 and the grippers themselves in the.