Patent ID: 8314337
Filing Date: 2012-11-20
Classification: B60R,H02G,Y10T

Abstract:
1. A grommet configured to be fitted around a wire harness and mounted in a through hole of a vehicle body panel, the grommet comprising: a small diameter cylinder portion in which the wire harness is tightly inserted; a radially outward extending portion provided on an outer peripheral surface at an end of the small diameter cylinder portion; a large diameter cylinder portion connected to an outer peripheral end of the radially outward extending portion; an annular vehicle body engaging recessed portion provided in an outer peripheral surface of the large diameter cylinder portion; an annular stretchable portion provided at a portion connecting the small diameter cylinder portion to the radially outward extending portion, the stretchable portion extending in a direction same as a direction in which the large diameter cylinder portion extends and then being folded backward to have a U-shape; a step provided at a boundary position between an inner peripheral surface of the small diameter cylinder portion and a convex side surface of the stretchable portion, such that a thickness of the stretchable portion is thinner than a thickness of the small diameter cylinder portion, an annular rib provided on an outer peripheral surface of the boundary position; and radially extending restoring ribs provided on the convex side surface of the stretchable portion circumferentially spaced in-between.