US 12,030,572 B2
Steer axle knuckle
Jason A. Shaw, Maumee, OH (US)
Assigned to DANA HEAVY VEHICLE SYSTEMS GROUP, LLC, Maumee, OH (US)
Filed by Dana Heavy Vehicle Systems Group, LLC, Maumee, OH (US)
Filed on Mar. 31, 2022, as Appl. No. 17/657,587.
Claims priority of provisional application 63/174,946, filed on Apr. 14, 2021.
Prior Publication US 2022/0332369 A1, Oct. 20, 2022
Int. Cl. B23K 20/00 (2006.01); B23K 20/12 (2006.01); B62D 7/16 (2006.01); B62D 7/18 (2006.01); B62D 7/20 (2006.01); B23K 101/00 (2006.01)
CPC B62D 7/18 (2013.01) [B23K 20/1205 (2013.01); B62D 7/16 (2013.01); B62D 7/20 (2013.01); B23K 2101/006 (2018.08)] 18 Claims
OG exemplary drawing
 
1. A method for manufacturing a steer axle knuckle, comprising:
welding a steer arm and a tie rod arm to a knuckle body by linear friction welding to form a first circular bearing having a central axis, including joining first and second parallel contact surfaces of a steer arm semi-circular shape to third and fourth parallel contact surfaces, respectively, of a first knuckle body semi-circular shape to form the first circular bearing.