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:
Jan. 05, 1993
Filed:
Apr. 03, 1991
Applicant:
Inventors:
V Terrey Hawthorne, Lisle, IL (US);
John W Kaim, Chicago, IL (US);
Assignee:
AMSTED Industries Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
280434 ; 280437 ;
Abstract
An accessory fluid cylinder and cam apparatus mounted under a fifth wheel may be energized by a tractor compressed air system to enable a driver to automatically and remotely unlock the fifth wheel jaw to release a trailer king pin when the tractor parking brake is engaged.