US 12,391,069 B2
Trumpet arm with internal buttresses
William F. Waltz, Toledo, 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 Nov. 2, 2023, as Appl. No. 18/500,840.
Claims priority of provisional application 63/582,182, filed on Sep. 12, 2023.
Prior Publication US 2025/0083475 A1, Mar. 13, 2025
Int. Cl. B60B 35/16 (2006.01); B60B 35/14 (2006.01); B60K 1/00 (2006.01); B60K 17/16 (2006.01); F16H 48/24 (2006.01); F16H 48/30 (2012.01); F16H 57/021 (2012.01); F16H 57/037 (2012.01); F16H 57/02 (2012.01)
CPC B60B 35/16 (2013.01) [B60B 35/14 (2013.01); B60K 1/00 (2013.01); B60K 17/165 (2013.01); F16H 48/24 (2013.01); F16H 48/30 (2013.01); F16H 57/021 (2013.01); F16H 57/037 (2013.01); B60B 35/166 (2013.01); B60B 2310/202 (2013.01); B60B 2310/206 (2013.01); B60B 2310/228 (2013.01); B60B 2360/102 (2013.01); B60B 2360/104 (2013.01); B60K 2001/001 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02052 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A trumpet arm for an axle, comprising:
a housing with an arm section extending an arm length, the arm section having an outlet at a first end, and a flange with a planar face at a second end opposite the first end; and internal buttresses positioned in an interior of the housing and extending through at least a first portion of a flange length of the flange, a flange/arm transition at which the flange transitions into the arm section, and at least a portion of the arm length, wherein the housing and the internal buttresses are formed as various cast, stamped, or machined components fixtured and assembled as a weldment.