An electric power steering apparatus includes: a ball nut, which is coupled to a rack bar therein, slides the rack bar, and has a first coupling portion formed to protrude in radial directions from one side of an external circumferential surface such that a fastening member is coupled to the first coupling portion; a nut pulley having a second coupling portion, which is formed to protrude in radial directions from an internal circumferential surface having a hollow therein and which comes in contact with the first coupling portion and to which the fastening member is coupled, and having an external circumferential surface to which the belt is connected and rotates the ball nut; and a deformation preventing member coupled to an opposite end of a portion of the nut pulley in which the second coupling portion is formed.
ELECTRIC POWER STEERING APPARATUS
2019-02-14
Patent
Elektronische Ressource
Englisch
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