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:
Jan. 20, 2009
Filed:
Nov. 14, 2005
Nohoon Ki, Cedar Falls, IA (US);
Nohoon Ki, Cedar Falls, IA (US);
Deere & Company, Moline, IL (US);
Abstract
A suspension system is provided for a vehicle track assembly having a lower front idler wheel, a lower rear idler wheel, an upper drive wheel, a support link, a plurality of lower support wheels arranged between the idler wheels and mounted on the support link, and an endless belt mounted around the wheels. The front and rear idler wheels are separated by a length L. An upper belt plane is tangent to one of the idler wheels and the drive wheel and a lower belt plane is tangent to the front idler wheel and the rear idler wheel. The vehicle center of gravity is located a distance H above the lower belt plane. A suspension member pivots about a fixed pivot axis. The components of suspension system are sized and arranged to prevent the vehicle from diving or squatting.