Bibby Turboflex Bibbigard torque limiter modules provide overload protection on spiral and screw auger drives. Series III gear couplings are used on various types of cranes and hoists including overhead travelling bridges, gantries, jibs, and top slewing cranes, chain and wire rope hoists and monorail lift systems. Bibby G-Flex® grid couplings connect motors and gearboxes on incline and decline conveyors.