US 12,037,054 B2
Steer-by-wire steering apparatus
Dae Hee Jung, Gyeonggi-do (KR)
Assigned to HL MANDO CORPORATION, Gyeonggi-Do (KR)
Appl. No. 17/796,673
Filed by HL MANDO CORPORATION, Gyeonggi-do (KR)
PCT Filed Feb. 10, 2021, PCT No. PCT/KR2021/001772
§ 371(c)(1), (2) Date Jul. 31, 2022,
PCT Pub. No. WO2021/162441, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 10-2020-0017251 (KR), filed on Feb. 12, 2020.
Prior Publication US 2023/0053581 A1, Feb. 23, 2023
Int. Cl. B62D 5/00 (2006.01); B62D 5/04 (2006.01); B62D 15/02 (2006.01)
CPC B62D 5/001 (2013.01) [B62D 5/0445 (2013.01); B62D 15/0225 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A steer-by-wire steering device, comprising:
a sliding bar provided to be axially slidable in a housing and having a screw formed on an outer circumferential surface thereof;
a first shaft hollow to allow the sliding bar to be inserted thereto and rotated by an actuator;
a plurality of second shafts circumferentially provided between the sliding bar and the first shaft and including a screw shaft portion having a screw formed on an outer circumferential surface thereof to be engaged with the sliding bar; and
a supporting member formed in an annular shape to be coupled to an inner circumferential surface of the first shaft and having a coupling hole through which an end of the second shaft is inserted and coupled.