US 11,745,788 B2
Steer-by-wire steering device
WooJin Shin, Suwon-si (KR); and Min Ho Park, Yongin-si (KR)
Assigned to HL Mando Corporation, Pyeongtaek-si (KR)
Filed by HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed on Jun. 17, 2021, as Appl. No. 17/350,404.
Claims priority of application No. 10-2020-0074474 (KR), filed on Jun. 18, 2020.
Prior Publication US 2021/0394817 A1, Dec. 23, 2021
Int. Cl. B62D 5/04 (2006.01); B62D 5/00 (2006.01); F16H 25/20 (2006.01)
CPC B62D 5/001 (2013.01) [B62D 5/0445 (2013.01); F16H 25/2015 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A steer-by-wire steering device, comprising:
a first stopper shaped hollow having at least one recess formed in an inner circumferential surface thereof extending outwardly in a radial direction thereof;
a second stopper shaped hollow and structured such that a steering shaft is coupled to the second stopper, the second stopper including a small diameter portion and a large diameter portion,
wherein the small diameter portion shaped hollow includes at least one support protruding from a first end of the small diameter portion in an axial direction of the second stopper such that the at least one support is inserted into the at least one recess formed in the inner circumferential surface of the first stopper,
the small diameter portion includes a thread formed on an outer circumferential surface of the small diameter portion,
the large diameter portion is provided at a second end of the small diameter portion which is opposite to the first end in the axial direction;
a nut engaged to the thread such that the nut is positioned between the first stopper and the large diameter portion of the second stopper; and
a hollow guide ring having an outer circumferential surface and an inner circumferential surface, the hollow guide ring provided between a housing and the nut such that the outer circumferential surface is coupled to the housing and the nut is coupled to be supported in the inner circumferential surface in a circumferential direction.