Patent ID: 7549503

Claim:
A steering device comprising: an actuator provided at an intermediate portion of a steering shaft extending downward from a steering handle to pass through a dashboard of a vehicle body for altering the transmission ratio in rotation between upper and lower portions of the steering shaft in dependence on a traveling state; a cable case of a double cylindrical structure arranged on an upper surface of the actuator; a case inner cylindrical component constituting the inside of the cable case and fixed to the actuator; a case outer cylinder component constituting the outside of the cable case and rotatable relative to the case inner cylindrical component; a spiral cable provided for supplying the actuator with electric power and housed inside the cable case with itself being wound, the spiral cable being fixed to the case inner cylindrical component at one end thereof and to the case outer cylindrical component at the other end thereof; and a cylindrical rubber boot covering the circumferential surface of the actuator; wherein: an upper side portion of the rubber boot is fitted on the case outer cylindrical component to be fixed thereto; a mid-portion of the rubber boot is fixed to the dashboard; and a lower end of the rubber boot seals against the lower portion of the steering shaft.