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:
Dec. 15, 2009
Filed:
Jan. 26, 2006
Ulrich Bechem, Iserlohn, DE;
Jens Steinberg, Hattingen, DE;
Joachim Raschka, Bochum, DE;
DBT GmbH, Lunen, DE;
Abstract
The invention relates to a device for milling rock or other materials. Said device comprises a spindle drum () which is rotatably mounted on a drum support () and in which a plurality of tool spindles () are received to be rotatable about spindle axes in a manner off-center of the drum axis (). The tool spindles, at their ends projecting from the spindle drum, carry machining tools (). The invention is characterized in that at least two of the tool spindles can be driven by a common gear drive which comprises output gears (), permanently disposed on the tool spindles, and a common drive element () interacting with the output gears. The drive element and the spindle drum () can be rotated in relation to each other.