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.

Date of Patent:
Oct. 01, 2019

Filed:

Oct. 02, 2015
Applicant:

Sandvik Intelectual Property Ab, Sandviken, SE;

Inventors:

Bernhard Ebner, Knittelfeld, AT;

Erich Brandl, Grosslobming, AT;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C 35/20 (2006.01); E21D 9/12 (2006.01); E21D 9/10 (2006.01); E21C 35/06 (2006.01); E21C 27/24 (2006.01); E21C 25/18 (2006.01); E21C 29/22 (2006.01); E21D 20/00 (2006.01); E21C 25/06 (2006.01); E21C 35/08 (2006.01); F16H 57/023 (2012.01); F15B 11/16 (2006.01);
U.S. Cl.
CPC ...
E21C 35/06 (2013.01); E21C 25/06 (2013.01); E21C 25/18 (2013.01); E21C 27/24 (2013.01); E21C 29/22 (2013.01); E21C 35/08 (2013.01); E21C 35/20 (2013.01); E21D 9/1013 (2013.01); E21D 9/1026 (2013.01); E21D 9/1033 (2013.01); E21D 9/1093 (2013.01); E21D 9/126 (2013.01); E21D 20/003 (2013.01); F15B 11/16 (2013.01); F16H 57/023 (2013.01); F16H 2057/0235 (2013.01);
Abstract

A cutting unit for use with a cutting apparatus suitable for creating tunnels or subterranean roadways and the like, includes a cutting arm configured for pivotal movement around at least one pivot axis and a cutting head mounted to the cutting arm. The cutting head includes at least one rotatable cutting element for detaching material from a rock face, and a clearing arrangement mounted to the cutting arm. The clearing arrangement has a clearing blade for pushing detached rock material onto a loading table of the cutting apparatus, the clearing blade being guided by a first guiding mechanism to allow a free movement of the clearing blade in a first direction.


Find Patent Forward Citations

Loading…