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. 13, 1979
Filed:
Feb. 27, 1978
Applicant:
Inventors:
Norman F Cooper, Mt. Clemens, MI (US);
David N Lee, Almont, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
296 / ; 49386 ;
Abstract
A vehicle tailgate of the type which is hinged along a bottom edge for pivotal movement about a horizontal axis. Specifically, the invention concerns a torque rod type counterbalancing spring for the tailgate which exerts both an outward opening bias on the tailgate and a lifting or closing force on the tailgate opposing opening movement so as to counterbalance gravitational forces thereon. The torque rod is mounted and connected so that the rod is continuously stressed in a torsional manner in only one direction from opening to closing, there being no null point where there is a reversal of stress on the torque rod.