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:
Aug. 31, 1982
Filed:
Jun. 10, 1980
Manfred Redder, Bergkamen-Oberaden, DE;
Dieter Grundken, Lunen, DE;
Gewerkschaft Eisenhutte Westfalia, Lunen, DE;
Abstract
A scraper-chain conveyor sprocket drum is rotatably mounted in a drive frame by means of roller bearings at each end of the sprocket drum. A respective slide ring seal is provided between each bearing and the adjacent end of the sprocket drum. Lubricant is supplied to both bearings and both seals, a respective lubricant path being provided for the bearing and seal at each end of the sprocket drum. Each lubricant path includes a lubricant supply passage leading to a bearing space surrounding the respective bearing, and a lubricant discharge path leading from a seal space surrounding the respective seal, each seal space being connected to the associated bearing space.