Patent · US Expired

Continuously operating mining machine for simultaneous excavation and conveying of coal

US5895097A · kind A · utility

0Cited by

3References

12Claims

0Family size

Assignee

Bochumer Eisenhütte Heintzmann GmbH & Co. KG · DE

Inventors

Peter Heintzmann · Bochum, DE
Kuno Guse · Dortmund, DE
Friedel Amling · Buer, DE

Key dates

Filing date	Apr 25, 1997
Grant date	Apr 20, 1999
Priority date	—
Expiry date	Apr 25, 2017

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C27/34
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A mining machine for excavating coal along a coal front of a seam in which a chain displaces excavating tools along an excavating stretch at a leading side across the coal face and a conveying stretch is provided rearwardly thereof, the stretch terminating in direction reversal stations with wheels at opposite ends of the stretches. A linear drive for at least one of the wheels can extend in a gallery alongside the mined cut. According to the invention, the excavating conveyer bottom is at an angular of 70.degree. to 130.degree. to the bottom of the conveying trough and the shafts of the wheels are inclined to the vertical forwardly and upwardly to include angles of 10.degree. to 45.degree..

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