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:
Jun. 05, 2001
Filed:
Jan. 28, 2000
Harvey J. Kallenberger, Wind Lake, WI (US);
Mark R. Zawlocki, Menomonee Falls, WI (US);
Hurnischfeger Technologies, Inc., Wilmington, DE (US);
Abstract
A journal bearing including a generally cylindrical outer surface, and a generally cylindrical inner surface including an inner edge, an outer edge, a midline defined as a circumferential line midway between the inner edge and the outer edge, a least-loaded region and a highest-loaded region, and a first groove pattern symmetric about the midline, the pattern extending from the least-loaded region to the highest-loaded region, the pattern including a lubricant entry point on the midline in the least-loaded region, a lubricant reservoir on the midline on the opposite side of the highest-loaded region from the lubricant entry point, and substantially more grooving in the least-loaded region than in the highest-loaded region.