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. 14, 2015
Filed:
Jan. 18, 2011
Applicants:
Ludwig Könning, Ahlen, DE;
Guido Scholz, Münster, DE;
Benjamin Berndzen, Münster, DE;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B02C 15/00 (2006.01); B02C 25/00 (2006.01);
U.S. Cl.
CPC ...
B02C 15/006 (2013.01); B02C 15/007 (2013.01); B02C 25/00 (2013.01); B02C 2015/008 (2013.01);
Abstract
A roller mill includes a grinding table, at least one grinding roller in rolling engagement with the grinding table, a main drive system for driving the grinding roller and/or the grinding table, and an auxiliary drive for driving the grinding table. The auxiliary drive includes at least two linear drives for rotating the grinding table and a control device for individually controlling the linear drives in order to provide an uninterrupted rotational movement.