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:
Nov. 21, 1995
Filed:
Jan. 27, 1993
Applicant:
Inventors:
Robert J O'Hara, Denver, CO (US);
Christopher M Knowlton, West End, NC (US);
Assignee:
AAR Corp., Elk Grove Village, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15320 ; 15339 ; 153404 ; 280103 ;
Abstract
A vehicle for moving in a longitudinal direction and cleaning a surface has a scrub brush, a cleaning fluid dispenser, a squeegee, drive means, and at least one steering wheel which is mounted to the vehicle such that it may be selectively turned for steering the vehicle. The vehicle is provided with a steering mechanism for turning the steering wheel, whereby turning a steering input member a specific angular magnitude in one direction causes the steering wheel to turn a greater angular magnitude in the opposite direction.