Patent ID: 6825416
Filing Date: 2004-11-30
Classification: B60R

Abstract:
A grommet having an axis and configured to contain a wire harness and insertable into a through-hole formed in a vehicle panel, said grommet comprising a tubular portion and a funnel-shaped portion, said funnel-shaped portion comprising, sequentially from said tubular portion, a narrowed end section, a frusto-conical wall with external and internal faces, and an enlarged end section that comprises an external face provided with a circular groove portion, wherein:said circular groove portion forms a circular ridgeline at a position nearest to said tubular portion, said frusto-conical wall comprises a thin wall section having a substantially uniform thickness and extending from said narrowed end section up to about a half way position along said axis in said frusto-conical wall, and a thick wall section having a substantially uniform internal radius and extending from said about half way position to and through said enlarged end section along said axis; and said external face of said frusto-conical wall comprises a plurality of shallow recesses which are arranged at given intervals therebetween around the circular direction and which extend in a direction from said narrowed end section towards said circular ridgeline, said shallow recesses leading to deep recesses near said circular ridgeline, whereby protrusions are formed adjacent to said shallow and deep recesses.