A steer-by-wire steering system 10 for steering road wheels 40A
and
40B on a vehicle. The steering system 10 includes a steering wheel
12 rotatable by an operator to command steering of the steered road wheels
40A and 40B, and a steering input shaft 16 mechanically linked
to the steering wheel 12. A housing structure 14 is disposed proximate
the steering input shaft 16. A male member 46 is provided on the
housing structure, and a female receptacle 50 is formed in the steering
input shaft 16 for matingly receiving the male member 46. The female
receptacle 50 comprises a pair of end walls 52 and 54 for
limiting rotational travel of the steering wheel 12. The steering system
10 further has an actuator 26 for rotating the wheels 40A
and 40B on the vehicle in response to rotation of the steering wheel 12.