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:
Mar. 29, 2005
Filed:
Sep. 20, 2002
Applicant:
Thomas N. Chalin, Fairview, TX (US);
Inventor:
Thomas N. Chalin, Fairview, TX (US);
Assignee:
Watson & Chalin Manufacturing, Inc., McKinney, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D061/12 ;
U.S. Cl.
CPC ...
Abstract
A lift axle suspension system. In a described embodiment, a lift axle suspension system includes: an axle assembly; an air spring connected between the axle assembly and a bracket attached to a vehicle frame; a trailing arm attached to the axle assembly; and a lift air spring. The lift air spring is connected between the bracket and the trailing arm, so that the axle assembly is lifted when the lift air spring is extended.