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:
Dec. 08, 1981
Filed:
Mar. 12, 1979
Applicant:
Inventor:
Warner G Richardson, Joliet, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B60D / ;
U.S. Cl.
CPC ...
2804 / ; 37129 ; 280489 ;
Abstract
A tractor-trailer unit (10,26) including a trailer (26) having wheels (30) at its rear and adapted to have its front supported by a hitch (16) to a tractor (10), a draft assembly (20) having spaced elongated arms (24) extending from the front rearwardly along the sides of the trailer, each arm being pivotally connected (34) to the trailer on a common horizontal axis intermediate the front and the rear, each arm further being jointed (54) intermediate its end to define front and rear sections (50,52) and dampeners (56,74,76) interconnecting the front and rear sections of each of the arms.