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. 08, 2014
Filed:
Jan. 16, 2009
Applicants:
Bernhard Ebner, Knittelfeld, AT;
Peter Kogler, Knittelfeld, AT;
Inventors:
Bernhard Ebner, Knittelfeld, AT;
Peter Kogler, Knittelfeld, AT;
Assignee:
Sandvik Mining and Construction G.m.b.H., Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 25/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a heading machine () with at least one cutting unit with a rotatably mounted tool holder () with disc tools (), which tool holder is connected in a pivotable manner to the machine frame, the heading machine () has a running gear, in particular a crawler track (), the tool holder () is mounted rotatably on an arm (), which can be pivoted in the vertical direction and the rotational axis () of the tool holder () runs transversely with respect to the longitudinal axis of the arm ().