Patent ID: 9517891
Filing Date: 2016-12-13
CPC Classification: B65G

Claim Text:
1. An idler system for increasing the trough angle of a conveyor belt, the idler system comprising: at least three conveyor belt idlers for supporting the conveyor belt, the system having a front end and a back end and a central axis that extends through the conveyor belt idlers from the front end to the back end, each conveyor belt idler comprising: wherein the first and second wing rolls and center roll of each idler each have an upper surface, the first and second wing rolls angling downward toward the center roll such that a portion of the upper surfaces of the first and second rolls pass below the upper surface of the center roll at a first and second vertical intersection point, the portion of the upper surface of the center roll between the first and second intersection points being a belt-engaging surface having a width, the width of the belt-engaging surfaces of the center rolls decreasing from the front end of the system to the back end of the system.