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:
Jul. 25, 2006
Filed:
Aug. 20, 2004
Bernd David, Henstedt-Ulzburg, DE;
Sebastian Lehnart, Hamburg, DE;
Bernd David, Henstedt-Ulzburg, DE;
Sebastian Lehnart, Hamburg, DE;
Abstract
A pedestrian truck with a drive motor and a handle lever includes a head and a rod, which is articulated to a steering base of the industrial truck about a horizontal axis and in which the drive wheel driven by the drive motor is mounted. A first control or regulating device for the drive motor, a steering motor for auxiliary steering, a second control or regulating device for the steering motor and a sensor device which produces a set signal for the second control or regulating device according to the extent of a steering movement of the handle lever are provided, the handle lever rod acting on the steering base via two horizontally spaced pivot points and at least one sensor being associated to each pivot point to measure the force between the handle lever rod and the steering base. The second control or regulating device produces a control signal for the steering motor from the signals of the two sensors.