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:
Apr. 26, 2005
Filed:
Feb. 26, 2003
Michael J. Gottschalk, Granville, OH (US);
Michael J. Gottschalk, Granville, OH (US);
The Boler Company, Itasca, IL (US);
Abstract
An auxiliary lift axle suspension of the parallelogram type is constructed for heavy duty operation by providing longitudinal control arms at the corners of a parallelogram configuration extending between the axle connecting member and the frame hanger bracket. A lift bellows is then located between two opposing rigidity providing, U-shaped members (called paddles or stabilizer members) located within the three dimensional parallelogram space, wherein the legs of one U-shaped member are connected to the axle connecting member and the legs of the opposing U-shaped member are connected to the hanger bracket, such that the lift bellows is located between the bases of the opposing paddles and expands bi-directionally to lift the wheels of the suspension from the road surface.