Patent · US Expired

Roadheading or mining machine with roof bolt drilling and setting devices

US7316456B2 · kind B2 · utility

2Cited by

1References

12Claims

0Family size

Assignee

Voest-Alpine Bergtechnik Gesellschaft m.b.H. · AT

Inventors

Ralf Walker · Duisburg, DE
Franz Wels · Zeltweg, AT
Karl Lerchbaum · Zeltweg, AT
Manfred Meier · Rastenberg, DE

Key dates

Filing date	Dec 9, 2004
Grant date	Jan 8, 2008
Priority date	—
Expiry date	Dec 9, 2024

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C27/24
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

In a roadheading or mining machine including cutting tools movable over the mine face and roof bolt drilling and setting devices, at least two roof bolt drilling and setting devices are pivotally connected with the machine laterally outside the longitudinal central plane of the machine. The roof bolt drilling and setting devices are pivotally supported on a bolting platform capable of being displaced in the longitudinal direction of the machine, or on an element connected with the bolting platform.

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