US 12,037,056 B2
Steer-by-wire type steering apparatus
Ho Sik Kim, Seoul (KR)
Assigned to HL MANDO CORPORATION, Gyeonggi-Do (KR)
Appl. No. 17/620,117
Filed by HL MANDO CORPORATION, Gyeonggi-do (KR)
PCT Filed Jun. 18, 2020, PCT No. PCT/KR2020/007887
§ 371(c)(1), (2) Date Dec. 17, 2021,
PCT Pub. No. WO2020/256426, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 10-2019-0073267 (KR), filed on Jun. 20, 2019.
Prior Publication US 2022/0234649 A1, Jul. 28, 2022
Int. Cl. B62D 5/00 (2006.01); B62D 5/04 (2006.01)
CPC B62D 5/0445 (2013.01) [B62D 5/001 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A steer-by-wire steering apparatus comprising:
a leadscrew coupled to a steering shaft and comprising a first screw provided on an outer circumferential portion thereof;
a first stopper and a second stopper coupled to one axial end portion and the other axial end portion of the leadscrew, respectively;
a nut positioned between the first stopper and the second stopper, coupled to the leadscrew, and comprising a second screw provided on an inner circumferential portion thereof to engage with the first screw; and
a hollow guide ring provided between a housing and the nut and supported on the nut in a circumferential direction,
wherein first insert recesses are provided in an inner circumferential portion of the housing, and second insert recesses corresponding to the first insert recesses are provided in an outer circumferential portion of the guide ring,
the guide ring being coupled to the housing by insert members inserted into the first insert recesses and the second insert recesses.