Patent · US Expired

Mineral mining planer having pivoted floor cutter carrier

US4189187A · kind A · utility

3Cited by

2References

11Claims

0Family size

Assignee

Gewerkschaft Eisenhutte Westfalia GmbH · DE

Inventors

Christoph Rassmann · Grafenau, DE
Willy Heyer · Bochum, DE
Heinrich Wildforster · Buer, DE

Key dates

Filing date	May 26, 1978
Grant date	Feb 19, 1980
Priority date	—
Expiry date	May 26, 1998

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C27/32
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A mineral mining installation for winning material in a mineral mining working comprises a plough and a plough guide. The plough has a plough body movable along the plough guide, and the plough body is provided with a carrier for floor cutters. The carrier is mounted on the plough body for movement relative thereto and is supported and guided on a surface of the plough guide.

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