Patent ID: 6450907
Filing Date: 2002-09-17
Classification: F16H

Abstract:
A tensioner comprising:a base having a first shaft; a pivot arm pivotally attached to the first shaft and the pivot arm having a second shaft; a pulley journaled to the pivot arm; the pulley comprising a belt bearing surface and a web, the web attached to an inner race of a bearing; a biasing member having an end pivotally attached to the second shaft and an opposite end for pivotal attachment to a mounting surface, whereby a belt load force exerted on the pulley is opposed by a biasing member force; the web having a plane normal to the belt bearing surface and having a land portion having a width and being substantially centered in the web; the bearing having an inner race and an outer race, the inner race having an outer surface normal to a bearing central axis and describing an inner race bore; and the land portion affixed to the outer surface, whereby the belt bearing surface is substantially perpendicular to the outer surface.