US 11,840,277 B2
Stamped rear frame bolster
Gary L. Fenton, Edgerton, WI (US); and Jason Alan Drost, Lake Mills, WI (US)
Assigned to STI Holdings, Inc., Stoughton, WI (US)
Filed by STI Holdings, Inc., Stoughton, WI (US)
Filed on Jun. 24, 2021, as Appl. No. 17/357,484.
Application 17/357,484 is a continuation of application No. 16/532,807, filed on Aug. 6, 2019, granted, now 11,072,369.
Claims priority of provisional application 62/715,648, filed on Aug. 7, 2018.
Prior Publication US 2021/0316790 A1, Oct. 14, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B62D 21/03 (2006.01); B62D 33/04 (2006.01); B62D 23/00 (2006.01)
CPC B62D 21/03 (2013.01) [B62D 23/00 (2013.01); B62D 33/04 (2013.01)] 14 Claims
OG exemplary drawing
 
14. A rear bolster for a cargo transport rear frame, the rear bolster comprising:
a sheet metal stamping including:
a base surface having lateral outboard ends spaced in a width direction and having
a top edge and a bottom edge spaced in a height direction;
a first side facing in a forward direction that is perpendicular to both the width and height directions;
a second side facing in a rearward direction to be exposed to a rear side of the cargo transport rear frame having the rear bolster;
a relief embossed in the rearward direction from the base surface to form taillight surround portions configured to withstand repeated loading dock impacts.