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:
Jan. 01, 1980
Filed:
Jun. 14, 1978
John F Schmaeng, Rockton, IL (US);
Beloit Corporation, Beloit, WI (US);
Abstract
A doctor assembly for a paper making machine including a force fed lubricated bearing structure therefor with a doctor shaft having a journal axially oscillatable in an annular bearing housing with a bearing sleeve insert between the journal and the housing having axially extending grooves therein with annular outer end seals axially outwardly of the bearing insert and annular lip seals at the end of the bearing insert carried on the bearing and permitting flow of lubricant axially outwardly from the bearing to the annular pressure spaces between the lip seals and end seals and passages extending between the annular pressure chambers between the seals to the center of the bearing and having check valves in the passages preventing back flow but permitting lubricant to flow from the annular pressure chambers to the center of the bearing.