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. 18, 2025
Filed:
Jul. 05, 2023
Jonathan R. Saul, LaSalle, MI (US);
Rollin Saul, LaSalle, MI (US);
Jonathan R. Saul, LaSalle, MI (US);
Rollin Saul, LaSalle, MI (US);
Aulfab, LLC, Toledo, OH (US);
Abstract
A trailer including a trailer frame, and a trailer suspension including a first and second suspension assemblies and a pair of axles. Each of the first and second suspension assemblies includes a first spring including first and second spring ends, and a second spring including third and fourth spring ends. The second spring end of the first spring is positioned adjacent to the third spring end of the second spring, and the second and third spring ends are disposed between the first and fourth spring ends. The second spring end is rotatable about a first rotational axis that is fixed relative to the trailer frame. The third spring end is rotatable about a second rotational axis that is fixed relative to the trailer frame. The first spring end and the fourth spring end of the second spring are movable relative to the trailer frame.