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. 21, 2015
Filed:
Mar. 14, 2013
Wirtgen Gmbh, Windhagen, DE;
Hanjo Held, Windhagen, DE;
Markus Schaefer, Asbach/Westerwald, DE;
Christian Berning, Bruehl, DE;
Cyrus Barimani, Koenigswinter, DE;
Guenter Haehn, Koenigswinter, DE;
Wirtgen GmbH, , DE;
Abstract
An automotive milling machine, for the treatment of road surfaces or ground surfaces includes a chassis comprising front and rear suspension axles with a total of no less than three suspension units with a machine frame supported by the chassis, with lifting columns between the suspension units and the machine frame at no less than two suspension units of a suspension axle, said suspension units being transversely offset from one another in the direction of travel, and with a working drum. The working drum is adjustable to a position for driving in travel mode with the working drum raised and, in the adjusted position of the working drum at a distance from the road surface or ground surface, the lifting columns are suitable for coupling to a spring device.