Patent ID: 6460650
Filing Date: 2002-10-08
Classification: B62D,F16D,F16H,Y10T

Abstract:
An electric power steering apparatus comprising a pinion shaft connected to a steering shaft, the pinion shaft being engaged with a rack shaft; a drive gear provided in a drive shaft connected to an output shaft of an electric motor; and an intermediate gear engaged with said drive gear, the intermediate gear being connected to said pinion shaft,wherein, a torque transmission body made of an elastic body is interposed between the output shaft of the electric motor and said drive shaft, wherein a first rotational body is provided in a side of the output shaft of said electric motor, a second rotational body being provided in a side of said drive shaft, a plurality of first supporting plates are arranged in the first rotational body and a plurality of second supporting plates are arranged in the second rotational body, the plurality of supporting plates in the first and second rotational bodies being alternately arranged in a rotational direction of both of the rotational bodies and opposed to each other, and the torque transmission body being interposed between the supporting plates opposed to each other in both of the rotational bodies.