Nylon resin driven pulley

摘要

A torque transmitting assembly is provided. The assembly includes a ball nut having an outer diameter and keyway slot therein, and a pulley positioned on the ball nut. The pulley includes a cylindrical outer surface, a bore extending through the pulley such that the pulley includes an inner surface, and at least one torque member formed on the inner surface and projecting radially inward to be received by the keyway slot.

主权项

1. A steering system comprising:
a motor; a shaft rotatably coupled to the motor; a first pulley coupled to the shaft; a ball screw; and a torque transmitting assembly comprising a ball nut having an outer diameter, and a second pulley positioned on the ball nut, the second pulley is a polymer having a cylindrical outer surface, an inner surface defining a bore extending through the pulley, a cut-out formed in the inner surface, and at least one torque member extending from the inner surface into the bore, wherein the cut-out and the at least one torque member are diametrically opposed on the inner surface; and wherein the ball nut includes a ball guide and a groove at least partially receiving the ball guide, the cut-out providing clearance to and interference and retention of the ball guide when the second pulley is coupled to the ball nut.