US 12,434,757 B1
Vehicle steering column, control method thereof, and vehicle
Shiyun Wang, Suzhou (CN)
Assigned to HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed by HL Mando Corporation, Pyeongtaek-si (KR)
Filed on Aug. 13, 2024, as Appl. No. 18/801,986.
Claims priority of application No. 202410399690.6 (CN), filed on Apr. 3, 2024.
Int. Cl. B62D 1/185 (2006.01); B62D 1/187 (2006.01)
CPC B62D 1/185 (2013.01) [B62D 1/187 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A vehicle steering column, comprising:
an upper tubular column connectable to a steering wheel;
a middle tubular column into which the upper tubular column is slidably inserted;
a lower tubular column into which the middle tubular column is slidably inserted, the lower tubular column being connectable to a vehicle body; and
a telescoping device connected to the upper tubular column, the middle tubular column, and the lower tubular column to retract or expand the upper, middle and lower tubular columns,
wherein the telescoping device comprises:
a driving motor fixed to the lower tubular column;
a lead screw connected to an output shaft of the driving motor;
a first lead screw nut engaged with the lead screw and connected to the upper tubular column; and
a second lead screw nut engaged with the lead screw and connected to the middle tubular column, and
wherein
a long hole is respectively formed in each circumferential wall of the upper, middle and lower tubular columns in each longitudinal direction of the upper, middle and lower tubular columns,
the long holes overlap in whole or in part, and
the telescoping device is connected to the upper, middle and lower tubular columns through the long holes.