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:
Mar. 28, 2000
Filed:
Jun. 09, 1998
Bernard Harris, Northbrook, IL (US);
Dennis E Bozych, Downers Grove, IL (US);
Dawne A White, Willowbrook, IL (US);
Rexnord Corporation, Milwaukee, WI (US);
Abstract
A link chain comprising a first left side link including an end having therein an aperture, a first right side link laterally spaced from the first left link and including an end having therein an aperture in alignment with the aperture of the first left link, a bushing fixed in the apertures in the first left and right side links and including a bore having an axis, and an annular inwardly facing bearing surface, a second left side link located adjacent and axially outwardly of the end of the first left side link and including an end having therein an aperture located in axial alignment with the bore of the bushing, a second right side link laterally spaced from the second left side link, located adjacent and axially outwardly of the end of the first right side link, and including an end having therein an aperture located in axial alignment with the bore of the bushing, and a hinge pin fixed in the apertures of the second left and right side links, extending through the bore of the bushing, and including a composite bearing with an annular outwardly facing self-lubricating bearing surface in engagement with the inwardly facing bearing surfaces of the bore of the bushing.