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. 08, 2001
Filed:
Jul. 16, 1999
Dennis J. Heyne, Burlington, IA (US);
Case Corporation, Racine, WI (US);
Abstract
A work vehicle includes a frame, an excavating apparatus movably secured to the frame, an operator's station, and a control system. The excavating apparatus includes a material engaging member and a plurality of actuators having positions for positioning the material engaging member with respect to the frame. The control system controls the positions of the plurality of actuators and thereby the position of the material engaging member. The controls system includes a plurality of manual operator input devices, an operator presence sensor, a control circuit, and an override device. The plurality of manual operator input devices are located at the operator station for providing material engaging member position commands. The operator presence sensor is configured to generate an operator presence signal. The control circuit is configured to receive the operator presence signal, to enable the providing of material engaging member position commands when the operator is disposed at a first operator position and to disable the providing of material engaging member position commands when the operator is away from the first operator position. The override device bypasses the presence sensor and is manually engagable by the operator. The control circuit is configured to enable the providing of material engaging member position commands when the override device is manually engaged.