Patent ID: 6361093
Filing Date: 2002-03-26
Classification: B60R

Abstract:
A work vehicle having a front end, a rear end, and first and second sides extending between the front end and the rear end, the work vehicle comprising:a grille screen supported at the front end of the work vehicle, the grille screen including a rear face, a front face, and an undulating cross-section providing a plurality of convolutions having lower edges, wherein the convolutions include front channels along the front face having open ends between the lower edges, wherein the convolutions include rear channels along the rear face, and wherein the channels each include a base and opposing sidewalls extending from the base; a plurality of plugs coupled to the screen so as to be carried by the screen, wherein the plurality of plugs occlude the rear channels at the lower edges; and a bumper supported at the front end of the work vehicle below the grille screen, wherein the bumper has a top surface facing the lower edges of the convolutions and wherein the top surface and the lower edges are spaced apart by a gap sized to permit accumulated dirt and chaff to be wiped off the top surface.