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.:
Date of Patent:
Feb. 13, 2018
Filed:
Feb. 13, 2017
Applicant:
Hendrickson Usa, Llc, Itasca, IL (US);
Inventors:
William Wilson, Sonoma, CA (US);
Brian Farrell, Stratford, CA;
Assignee:
Hendrickson USA, L.L.C., Itasca, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60G 11/02 (2006.01); C21D 9/02 (2006.01); C21D 1/60 (2006.01); C21D 1/42 (2006.01); C21D 1/25 (2006.01); F16F 1/18 (2006.01);
U.S. Cl.
CPC ...
C21D 9/02 (2013.01); B60G 11/02 (2013.01); C21D 1/25 (2013.01); C21D 1/42 (2013.01); C21D 1/60 (2013.01); B60G 2206/428 (2013.01); B60G 2206/84 (2013.01); B60G 2206/8402 (2013.01); C21D 2211/008 (2013.01); C21D 2221/00 (2013.01); F16F 1/18 (2013.01);
Abstract
Leaf springs, and methods of manufacturing thereof, having first and second sections, spaced apart along the length of said leaf spring, said sections are through hardened and tempered to achieve, respectively different levels of finished through hardness, are disclosed.