A conveyor apparatus, so-called injector head, to enable feeding of continuous elongate device ( 7; CED), e.g. continuous tubing or coiled tubing, down through the conveyor apparatus, to enable insertion of tools through a wellhead and a well below, or up through the conveyor apparatus by pulling action enabling retrieval of the tool from the wellhead and the well below, the conveyor apparatus comprising: an apparatus frame, a pair of oppositely located, co-operatively movable, segmented continuous belts ( 28; 29) installed in the frame, each belt comprising a plurality of interconnected device ( 7; CED) gripper shoe carriers carried and movable by means of a pair of continuous belt drive chains ( 31; 32) running over respective pairs of chain drive sprockets ( 33: 34), wherein each carrier has a front side and a rear side ( 30"), and wherein a device ( 7; CED) gripper shoe is located at the front side of each carrier, characterized in that the device ( 7; CED) gripper shoe comprises: a gripper shoe base having at a front thereof longitudinal first and second edge regions ( 53'; 53"), a first leg and a second leg arranged on the base, said legs ( 54, 55) extending at one end ( 54'; 55') thereof from said first and second edge regions ( 53'; 53"), respectively, said legs being inclined towards each other, and first and second device ( 7; CED) gripper members ( 56; 57) being located at the other end ( 54"; 55") of said first and second legs ( 54; 55) and extending in parallel in the direction of the belt ( 28; 29), said gripper members ( 56; 57) being separated from the base by a space ( 56'; 57'). an apparatus frame, a pair of oppositely located, co-operatively movable, segmented continuous belts ( 28; 29) installed in the frame, each belt comprising a plurality of interconnected device ( 7; CED) gripper shoe carriers carried and movable by means of a pair of continuous belt drive chains ( 31; 32) running over respective pairs of chain drive sprockets ( 33: 34), wherein each carrier has a front side and a rear side ( 30"), and wherein a device ( 7; CED) gripper shoe is located at the front side of each carrier, characterized in that the device ( 7; CED) gripper shoe comprises: a gripper shoe base having at a front thereof longitudinal first and second edge regions ( 53'; 53"), a first leg and a second leg arranged on the base, said legs ( 54, 55) extending at one end ( 54'; 55') thereof from said first and second edge regions ( 53'; 53"), respectively, said legs being inclined towards each other, and first and second device ( 7; CED) gripper members ( 56; 57) being located at the other end ( 54"; 55") of said first and second legs ( 54; 55) and extending in parallel in the direction of the belt ( 28; 29), said gripper members ( 56; 57) being separated from the base by a space ( 56'; 57'). a gripper shoe base having at a front thereof longitudinal first and second edge regions ( 53'; 53"), a first leg and a second leg arranged on the base, said legs ( 54, 55) extending at one end ( 54'; 55') thereof from said first and second edge regions ( 53'; 53"), respectively, said legs being inclined towards each other, and first and second device ( 7; CED) gripper members ( 56; 57) being located at the other end ( 54"; 55") of said first and second legs ( 54; 55) and extending in parallel in the direction of the belt ( 28; 29), said gripper members ( 56; 57) being separated from the base by a space ( 56'; 57').