Ameridrives Couplings is a leading international manufacturer of mechanical power transmission products. The company offers a complete line of Coupling Products including Amerigear gear couplings and spindles, Ameriflex d......Ameridrives Couplings is a leading international manufacturer of mechanical power transmission products. The company offers a complete line of Coupling Products including Amerigear gear couplings and spindles, Ameriflex diaphragm couplings and universal joints.