US 11,753,063 B2
Steering column for vehicle
Sang Chul Ku, Seoul (KR); Kwon Ho Lee, Yongin (KR); and Sung Hun Park, Anyang (KR)
Assigned to HL MANDO CORPORATION, Pyeongtaek (KR)
Appl. No. 17/793,192
Filed by HL MANDO CORPORATION, Pyeongtaek-si (KR)
PCT Filed Feb. 24, 2021, PCT No. PCT/KR2021/002310
§ 371(c)(1), (2) Date Jul. 15, 2022,
PCT Pub. No. WO2021/172865, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 10-2020-0022660 (KR), filed on Feb. 25, 2020.
Prior Publication US 2023/0055548 A1, Feb. 23, 2023
Int. Cl. B62D 1/187 (2006.01); B62D 1/181 (2006.01)
CPC B62D 1/187 (2013.01) [B62D 1/181 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A steering column of a vehicle, comprising:
a telescopic module including a telescopic bolt including a first bolt portion and a second bolt portion threaded in opposite directions, a first nut coupled to the first bolt portion, a second nut coupled to the second bolt portion, and a telescopic driving unit rotating the telescopic bolt;
a nut block open to a radial side and having a guide hole into which the first nut is inserted;
a mounting bracket coupled with a lower tube and having a lower end coupled with the nut block; and
an upper tube inserted into the lower tube, coupled with a steering shaft, and coupled with the second nut,
wherein a damping member is provided in the guide hole to be supported between an inner surface of the but block and an outer surface of the first nut.