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:
Jul. 15, 1986
Filed:
Jan. 16, 1984
Applicant:
Inventors:
Helmut Temme, Waltrop, DE;
Karl-Heinz Wrobbel, Hagen, DE;
Assignees:
Gewerkschaft Eisenhutte Westfalia, both of, DE;
Hammerwerke Haspe Gebruder Kettler, both of, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198731 ;
Abstract
A scraper unit for a scraper-chain assembly is composed of a scraper bar which locates with a pair of coupling pieces at each of its ends. The coupling pieces trap chain links therebetween. The bar has pockets underneath its end regions which locate with the lowermost coupling pieces and recesses open from above which locate with the uppermost coupling pieces. Threaded pins which receive nuts are provided on the lower coupling pieces to engage through bores in the upper coupling pieces and the scraper bar end regions.