US 12,291,284 B2
Stamped rear frame bolster
Gary L. Fenton, Edgerton, WI (US)
Assigned to STI Holdings, Inc., Stoughton, WI (US)
Filed by STI Holdings, Inc., Stoughton, WI (US)
Filed on Apr. 5, 2024, as Appl. No. 18/627,990.
Application 18/627,990 is a continuation of application No. 17/357,513, filed on Jun. 24, 2021, granted, now 11,975,767.
Application 17/357,513 is a continuation of application No. 16/564,533, filed on Sep. 9, 2019, granted, now 11,110,972, issued on Sep. 7, 2021.
Application 16/564,533 is a continuation in part of application No. 16/532,807, filed on Aug. 6, 2019, granted, now 11,072,369, issued on Jul. 27, 2021.
Claims priority of provisional application 62/715,648, filed on Aug. 7, 2018.
Prior Publication US 2024/0246618 A1, Jul. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B62D 33/04 (2006.01); B21D 22/02 (2006.01); B60Q 1/26 (2006.01); B60Q 1/30 (2006.01)
CPC B62D 33/046 (2013.01) [B60Q 1/2619 (2013.01); B62D 33/04 (2013.01); B21D 22/02 (2013.01); B60Q 1/30 (2013.01); B60Y 2200/147 (2013.01); B60Y 2200/148 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cargo transport rear frame defining a rear cargo opening, the cargo transport rear frame comprising:
a pair of posts spaced apart in a width direction, each of the pair of posts extending in a height direction;
an upper cross member extending along the width direction between respective upper ends of the pair of posts; and
a rear bolster extending along the width direction between respective lower ends of the pair of posts such that the rear bolster is spaced below the upper cross member in the height direction, wherein the pair of posts, the upper cross member, and the rear bolster bound the rear cargo opening,
wherein the rear bolster has a first side facing in a forward direction that is perpendicular to both the width and height directions, and the rear bolster has a second side facing in a rearward direction to be exposed to a rear side of the cargo transport rear frame,
wherein the rear bolster comprises a sheet metal stamping including a base surface and a relief embossed in the rearward direction from the base surface to form a loading dock engagement feature configured to withstand repeated loading dock impacts.