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:
May. 15, 2001
Filed:
May. 14, 1999
Applicant:
Inventor:
David John Bowes Brown, North Yorkshire, GB;
Assignee:
Multidrive Limited, North Yorkshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60D 0/000 ;
U.S. Cl.
CPC ...
B60D 0/000 ;
Abstract
An extensible and retractable linear drive (,) connects a tractor unit (,) and a trailer unit (,) and is controlled by a control unit (,). The progress of the tractor/trailer combination is assisted by alternately forcibly increasing and forcibly decreasing the distance between tractor and trailer units (,).