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:
Mar. 09, 2021
Filed:
May. 11, 2017
Liebherr-werk Bischofshofen Gmbh, Bischofshofen, AT;
Mario Hettegger, Grossarl, AT;
Manuel Bos, Hallein, AT;
Hans Knapp, Bischofshofen, AT;
Christoph Kiegerl, Werfenweng, AT;
LIEBHERR-WERK BISCHOFSHOFEN GMBH, Bischofshofen, AT;
Abstract
The invention relates to a system for controlling a work machine, in particular a wheel loader, having at least one hand-held control device (), in particular a joystick or steering wheel, at least one restoring device () in the form of one or more spring assemblies, which are connected to the hand-held control device in such a way a restoring force is exerted upon the hand-held control device by the spring assembly when said spring assembly is not in the central position. An adjusting device () which engages with the spring assembly such that an adjustment of the central position of the spring assembly can be carried out, is provided.