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:
Aug. 21, 2018

Filed:

May. 09, 2014
Applicant:

Caterpillar Global Mining Europe Gmbh, Lünen, DE;

Inventors:

Joachim Raschka, Bochum, DE;

Jens Steinberg, Lünen, DE;

Ulrich Bechem, Hagan, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C 27/22 (2006.01); E21C 31/02 (2006.01); E21C 25/08 (2006.01); E01C 23/09 (2006.01); E21D 9/10 (2006.01); E01C 23/088 (2006.01); E21C 25/10 (2006.01);
U.S. Cl.
CPC ...
E21C 25/08 (2013.01); E01C 23/088 (2013.01); E01C 23/09 (2013.01); E21C 25/10 (2013.01); E21C 27/22 (2013.01); E21C 31/02 (2013.01); E21D 9/1013 (2013.01);
Abstract

A milling device is disclosed. The milling device may have a shaft. The shaft may have a shaft axis (A). The milling device may also have a spindle drum rotatably mounted relative to the shaft axis (A) and rotatable about a spindle drum axis (B) coaxial to the shaft axis (A). Further, the milling device may have a plurality of tool spindles rotatably mounted in the spindle drum and rotatable about tool spindle axes (D). Each tool spindle axis (D) may be parallely arranged and spaced apart from the shaft axis (A) and may have a same distance to the shaft axis (A). The milling machine may also have a plurality of machining tools carried by the tool spindles. At least two of the plurality of machining tools may be positioned displaced from one another in a direction of the shaft axis (A).


Find Patent Forward Citations

Loading…