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. 21, 2002
Filed:
Aug. 08, 1996
Robert L. Cadden, Parkdale, AU;
The Boler Company., Itasca, IL (US);
Abstract
The invention provides a suspension system ( ) for installation between a chassis having side rail members ( ) and cross frame members ( ) and an axle ( ) of a vehicle. A step spring ( ) is included having a forward generally horizontal section ( ), a rearward generally horizontal section ( ), and a generally vertical section ( ) between and contiguous with the forward and rearward sections ( ) and displacing the rearward section ( ) below the forward section ( ). The leading end of step spring ( ) is pivotally attached to the chassis with a spring ( ) extending between the chassis and the trailing end of step spring ( ). Axle ( ) is pivotally secured to a mounting ( ) on forward generally horizontal section ( ) with the pivot ( ) above axle ( ).