logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12715256 B1

PDFFull Text
Date of Patent:
Aug. 25, 2026

Filed:

Jun. 20, 2025

Vocational vehicle with compact suspension assembly

Applicant:

Oshkosh Corporation, Oshkosh, WI (US);

Inventors:

Steve Volkman, Oshkosh, WI (US);

Erik Ellifson, Oshkosh, WI (US);

Evan Schertz, Oshkosh, WI (US);

David Steinberger, Oshkosh, WI (US);

Andrew Kotloski, Oshkosh, WI (US);

Assignee:

Oshkosh Corporation, Oshkosh, WI (US);

Attorney:

Foley & Lardner LLP

Primary Examiner:

Keith J Frisby

Int. Cl.
CPC ...
B60G 3/20 (2006.01); B60G 7/00 (2006.01); B60G 11/14 (2006.01);
U.S. Cl.
CPC ...
B60G 3/20 (2013.01); B60G 7/00 (2013.01); B60G 11/14 (2013.01); B60G 2200/144 (2013.01); B60G 2200/44 (2013.01); B60G 2204/124 (2013.01); B60G 2204/148 (2013.01); B60G 2206/0114 (2013.01); B60G 2206/121 (2013.01); B60G 2300/026 (2013.01); B60G 2300/09 (2013.01); B60G 2300/50 (2013.01); B60Y 2200/1422 (2013.01); B60Y 2200/144 (2013.01);
Abstract

A suspension assembly includes a knuckle, a subframe coupled to the frame rail by a plurality of brackets, an H-arm coupled between the knuckle and the subframe, an upper control arm arranged above the H-arm and coupled between the knuckle and the subframe, and a dual spring assembly biased between the knuckle and the subframe. The dual spring assembly includes a first spring that is nested within and arranged in series with a second spring, and the first spring defines a lower spring rate than the second spring.

Find Patent Forward Citations

Volkman, Steve. (2026). Vocational vehicle with compact suspension assembly (U.S. Patent No. 12715256). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12715256

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…