Patent ID: 11939008
Assignee: HL MANDO CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. A steer-by-wire type power steering apparatus comprising:
a cylinder disposed inside a housing and comprising a first spline on an inner circumferential surface of the cylinder; and
a sliding bar inserted into the cylinder and comprising a second spline engaged with the first spline, the sliding bar having screw bars configured to be slidable in an axial direction by one or more motors to steer one or more wheels,
wherein:
at least one of the screw bars is connected to a ball nut configured to be rotated by the one or more motors,
the screw bars comprise a first screw bar positioned adjacent to one end of the second spline of the sliding bar and a second screw bar positioned adjacent to another end of the second spline of the sliding bar, and
a screw of the first crew bar and a screw of the second screw bar are formed in different directions from each other.