Patent ID: 8113376
Filing Date: 2012-02-14
Classification: B60K,F02D,F02M,Y10S

Abstract:
1. A tank cap comprising: a synthetic-resin cap body mounted on a fuel supply port cylinder of a conductive fuel tank; a conductive cap shell coupled to an upper part of the cap body; a gasket provided in the cap body and in close contact with a sealing surface formed at an upper end of the fuel supply port cylinder; an elastic contact piece that elastically slidably contacts an inner peripheral surface of a cylindrical peripheral wall of the cap shell; and a plurality of slip-preventing bulging portions bulging outward and arranged with equal pitches and formed on the cylindrical wall of the cap shell, wherein the gasket is conductive and in elastic contact with the cap shell via the elastic contact piece, and wherein the elastic contact piece is arranged in a plural number with pitches different from the pitches of the bulging portions.