Ameridrives Amerigear couplings connect motors and gearboxes on hoist drives, bridge drives, and long travel drives. The torsionally stiff design of Amerigear couplings is ideal for the positive engagement required on many types of cranes and hoists including overhead traveling bridges, gantries, jibs, and top slewing cranes, chain and wire rope hoists and monorail lift systems. Ameridrives Americardan® C Series wing bearing style universal joints are used on overhead bridge cranes in metal mills.