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:
Jun. 17, 2003
Filed:
Aug. 27, 2001
Applicant:
Inventors:
Scott Wager, Canandaigua, NY (US);
David Norton, Port Crane, NY (US);
Assignee:
The Raymond Corporation, Greene, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/900 ;
U.S. Cl.
CPC ...
G06F 1/900 ;
Abstract
An industrial lift truck includes a steering unit which operates in response to steering commands to operate an electric steering motor that turns a steerable wheel. The integrity of the steering unit is checked by applying alternating steering commands to the steering unit and monitoring the resulting current flow through the steering motor.