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:
Feb. 05, 1985
Filed:
Apr. 11, 1983
Applicant:
Inventor:
Paul R Chervenak, Warren, MI (US);
Assignee:
Granning Suspensions, Inc., Livonia, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60G / ;
U.S. Cl.
CPC ...
280704 ; 267 / ;
Abstract
An auxiliary vehicle axle suspension which is pivoted to the frame for up and down movement. An air bellows unit is provided to force the axle down to a load-supporting position. Apparatus is provided to lift the axle to an elevated position when pressure is relieved in the air bellows unit, the apparatus being spring-operated.