POWR-TRAK

DIFFERENTIALS FOR MOTOR VEHICLES FOR USE IN SEPARATE DRIVE AXLES OF FOR LOAD DISTRIBUTION BETWEEN SEVERAL DRIVE AXLES, IN PARTICULAR AS BEVEL GEARINGS, PLANETARY GEARINGS, WORM GEARINGS AND IN COMBINATION WITH EXTERNALLY OR AUTOMATICALLY CONTROLLED LOCKING DEVICES SUCH AS MECHANICAL CLUTCHES OR HYDRAULIC FRICTION CLUTCHES OR SWITCHABLE FREE-WHEELING DEVICES