US 12,285,989 B1
Splined torsion bar for vehicle steering system
Allyn J. Strickler, Saginaw, MI (US); Christopher L. Walsh, Saginaw, MI (US); and Eric D. Pattok, Frankenmuth, MI (US)
Assigned to Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed by Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed on Mar. 30, 2024, as Appl. No. 18/622,881.
This patent is subject to a terminal disclaimer.
Int. Cl. B60G 21/055 (2006.01)
CPC B60G 21/055 (2013.01) [B60G 2202/132 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A torsion bar for a vehicle steering system comprising:
a first end region;
a second end region;
a main body extending about a longitudinal axis of the torsion bar from the first end region to the second end region, wherein the main body defines a plurality of splines circumferentially spaced from each other to form a splined outer surface extending along the entire length of the main body, wherein the first end region defines a first chamfer from the main body to a first terminal end of the torsion bar, wherein the first chamfer is defined by the first end region angling radially inwardly from the main body to the first terminal end.