US 11,891,129 B2
Dual rack electric power steering system for vehicle
Rodney M. Sanderson, Midland, MI (US); Christopher A. Fall, Vassar, MI (US); Richard A. Light, Clio, MI (US); and Troy M. Kinne, Midland, MI (US)
Assigned to Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed by Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed on Feb. 3, 2021, as Appl. No. 17/166,720.
Prior Publication US 2022/0242475 A1, Aug. 4, 2022
Int. Cl. B62D 5/04 (2006.01); B62D 3/12 (2006.01)
CPC B62D 5/0427 (2013.01) [B62D 3/12 (2013.01); B62D 5/0412 (2013.01); B62D 5/0448 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A rack bar assembly for a rack electric power steering system, the rack bar assembly comprising:
a first rack bar extending axially;
a second rack bar extending axially, wherein the first rack bar and the second rack bar are spaced a radial distance from each other and oriented parallel to each other; and
a first end rack link coupling the first rack bar and the second rack bar to each other at a first end of the first rack bar and at a first end of the second rack bar, the first end rack link coupling the first rack bar and the second rack bar to a first tie rod assembly, wherein the first end rack link comprises a first counterbore and a second counterbore, wherein the first counterbore receives the first end of the first rack bar and the second counterbore receives the first end of the second rack bar, the rack bar assembly further comprising:
a first mechanical fastener extending into the first counterbore and into the first end of the first rack bar to couple the first rack bar to the first end rack link; and
a second mechanical fastener extending into the second counterbore and into the first end of the second rack bar to couple the second rack bar to the first end rack link.