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:
Feb. 19, 1980
Filed:
May. 26, 1978
Applicant:
Inventors:
Christoph Rassmann, Lunen, DE;
Willy Heyer, Bochum-Gerthe, DE;
Heinrich Wildforster, Gelsenkirchen-Buer, DE;
Assignee:
Gewerkschaft Eisenhutte Westfalia, Lunen, DE;
Primary Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299 34 ; 299 85 ;
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.