Patent · US Expired

Device for milling rock and other materials and method for milling rock or the like using said device

US7631942B2 · kind B2 · utility

6Cited by

6References

54Claims

0Family size

Assignee

DBT GMBH · DE

Inventors

Ulrich Bechem · Hagen, DE
Jens Steinberg · Hattingen, DE
Joachim Raschka · Bochum, DE

Key dates

Filing date	Jan 26, 2006
Grant date	Dec 15, 2009
Priority date	—
Expiry date	Apr 22, 2026

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C27/22
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The invention relates to a device for milling rock or other materials. Said device comprises a spindle drum (13) which is rotatably mounted on a drum support (11) and in which a plurality of tool spindles (22) are received to be rotatable about spindle axes in a manner off-center of the drum axis (43). The tool spindles, at their ends projecting from the spindle drum, carry machining tools (41). 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 (24), permanently disposed on the tool spindles, and a common drive element (25) interacting with the output gears. The drive element and the spindle drum (13) can be rotated in relation to each other.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.