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:
Apr. 21, 1992
Filed:
Dec. 10, 1990
Applicant:
Inventors:
Horst Stapper, St. Ingbert, DE;
Kunibert Becker, Werl, DE;
Assignee:
Untertage Maschinenfabrik Dudweiler GmbH, Dudweiler/Saar, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198834 ; 198832 ;
Abstract
Chain-drum drive or guidance mechanism in a machine frame of a chain-scraper conveyor, has a shaft (6) of its chain-drum (5), outer bearing parts (8) receiving shaft bearings (7), as well as sealing elements (24, 25) for sealing gaps between the outer bearing parts and the chain drum, all combined in a pre-assembled unit (12), which is fitted into, and removed from the machine frame (1) as a whole. The unit (12) is secured in the machine frame (1) preferably by clamp connections, in particular hydraulic annular clamps (31) or the like, which are seated in the openings (11) of the machine frame side walls (2, 3).