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:
May. 29, 2012
Filed:
Mar. 04, 2010
Roger D. Stephenson, Ottumwa, IA (US);
Charles S. Sloan, Blakesburg, IA (US);
Stephen K. Parsons, Ottumwa, IA (US);
Roger D. Stephenson, Ottumwa, IA (US);
Charles S. Sloan, Blakesburg, IA (US);
Stephen K. Parsons, Ottumwa, IA (US);
Deere & Company, Moline, IL (US);
Abstract
A work machine is provided having a suspension arrangement between an axle of the machine and a caster wheel assembly. The suspension arrangement comprising a torsion spring assembly. The torsion spring assembly having a first spring housing, a second spring housing, and an inner member. The inner member being integrated directly with a wheel arm of the caster wheel assembly. The first and second spring housings being fastened together around the inner member wherein a plurality of elastomeric members are interposed between the inner member and the first and second spring housings. A torsion spring assembly is provided having a first spring housing, a second spring housing, and an inner member, the first and second spring housings being fastened together around the inner member wherein a plurality of elastomeric members are interposed between the inner member and the first and second spring housings.