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:
Aug. 11, 1998
Filed:
Dec. 02, 1996
Ervin K VanDenberg, Massillon, OH (US);
Rockwell Heavy Vehicle Suspension Systems, Inc., Canal Fulton, OH (US);
Abstract
A vehicle suspension system having a pair of spaced apart control arms, and a central beam positioned intermediate the control arms. The central beam and the control arms are pivotally mounted to the frame at one end, and secured to the axle at another end. At least one air spring extends between the axle and the frame to support vertical load, and the center beam. The center beam has sufficient width to provide a roll stable suspension, while remaining resistant to lateral deflection. The pivotal connection at the central beam provides a bushing, which may have a constant spring rate, or which may include a spring rate which varies in the vertical and horizontal direction. In a second embodiment, a lift mechanism is provided for raising the axle from a ground engaging to a non-ground engaging position. In yet another embodiment, the suspension system is provided as a primary suspension.