Drive system for use with electric motor has gearwheel driven by motor with tubular extension fitting on shaft and splined connection to smaller gearwheel

摘要

The gearwheel (50) driven by the motor has an extended hub (52) which may be firmly fixed on the shaft (20). The end of the shaft has a splined portion (30) of slightly reduced diameter, engaging the hub (10) of a small gearwheel (46). A spring washer (22) engages the extreme end of the shaft (11) which is cylindrical, and holds the small gearwheel in place. The inside diameter of the washer is especially 5% smaller then the outside diameter of the end of the shaft before the washer is fitted.