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:
Sep. 11, 1990
Filed:
Nov. 15, 1988
Applicant:
Inventor:
John P Kayser, Madison, WI (US);
Assignee:
KLS International Corporation, Madison, WI (US);
Primary Examiner:
Int. Cl.
CPC ...
F16N / ;
U.S. Cl.
CPC ...
184 42 ; 184-74 ; 184 29 ; 417399 ;
Abstract
A lubricating device for lubricating the flange of the wheel of a railroad car has a lubricant inlet port, a lubricant outlet port, and a piston assembly for causing a shot of lubricant to be delivered from the lubricant inlet port to the the lubricant outlet port. The piston assembly is pneumatically driven by means of compressed air which is supplied to the device at an air inlet port. The lubricating device includes a removable piston sleeve which allows for replacement of the sleeve when it is subject to wear.