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:
Mar. 04, 2014
Filed:
Mar. 05, 2010
Frank Fischer, Lunen, DE;
Willi Klingbeil, Werne, DE;
Matthias Kohler, Werne, DE;
Uwe Tillessen, Kamen, DE;
Jorg Wirtz, Witten, DE;
Elmar Wiejack-symann, Dinslaken, DE;
Frank Fischer, Lunen, DE;
Willi Klingbeil, Werne, DE;
Matthias Kohler, Werne, DE;
Uwe Tillessen, Kamen, DE;
Jorg Wirtz, Witten, DE;
Elmar Wiejack-Symann, Dinslaken, DE;
Caterpillar Global Mining Europe GmbH, Lunen, DE;
Abstract
A scraper for a scraper chain conveyor, having a top web, on which a chain attachment region for connecting the scraper to a scraper chain is configured, and having scraper wings for guiding the scraper on side profiles and bottom of a scraper chain conveyor. In order to provide scrapers with which a higher conveying output or a reduction of the drive output to be installed can be achieved, and which also enable a worn or defective scraper to be changed below ground, it is provided according to the invention that the scraper wings consist of a holding portion anchored to the metallic top web and a plastics sliding insert which can be releasably fastened to the holding portion. For the sliding inserts and their retention, various embodiments are proposed.