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:
Apr. 01, 2008
Filed:
Apr. 14, 2006
Siamak Onsori, Dortmund, DE;
Siamak Onsori, Dortmund, DE;
DBT GmbH, Lunen, DE;
Abstract
The underground mining machine () according to the invention in known manner comprises a machine body () movable along a working face () and with at least one cutting and rolling unit () connected to the machine body by an extension arm () and drivable via a gear arrangement () mounted in the extension arm by a drive () disposed on the machine body. In order to make the drive system of the mining machine simpler, requiring less maintenance, and less subject to wear, according to the invention the gear arrangement comprises a compensating drive shaft () extending through the extension and coupled or adapted to be coupled by a first angular gear stage () to the drive on the machine body side and by a second angular gear stage () to the cutting and rolling unit on the cutting and rolling side.