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.

Date of Patent:
Oct. 19, 1993

Filed:

Apr. 22, 1992
Applicant:
Inventors:

Theodore R Brown, Stoughton, MA (US);

Benvinda Brown, Stoughton, MA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
280432 ; 280433 ;
Abstract

A system operated by the driver of a tractor trailer for preventing the jackknifing of the tractor trailer, the tractor trailer being of the type having a kingpin under the trailer to lock into the fifth wheel mounting plate on the tractor, the system having structure for locking the trailer to the tractor to prevent the trailer's turning in relation to the tractor, with the structure for locking the trailer in a fixed position being activated by the driver when the driver senses that the trailer is starting to jackknife.


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