Patent ID: 9296413
Filing Date: 2016-03-29
CPC Classification: B62D,G01L

Claim Text:
1. An electric power steering device that is configured to assist a steering force applied to a steering wheel by a driver with a rotation torque from an electric motor, the electric power steering device comprising: a steering shaft that is coupled to the steering wheel; an output shaft coupled to the steering shaft via a torsion bar; a torque sensor configured to detect a steering torque scting on the torsion bar, the torque sensor comprising a magnetic material; a sensor case to which the magnetic material is fixed; an upper column tube that rotatably supports the steering shaft; a lower column tube that is movable relative to the upper column tube; and a resin molded body comprising both the lower column tube and the sensor case, wherein the lower column tube and the sensor case are made of a resin material, the lower column tube is formed integrally with the sensor case, and the resin material in the resin molded body extends continuously from the lower column tube to the sensor case.