US 2008/0231003 A1Published application

Dust Cover for a Steering Shaft

AssigneesNsk Ltd., NSK Steering Systems Co., Ltd., Keeper Corporation

InventorsSeiichi Moriyama, Hiroshi Satou, Jun Yamada, Takashi Shiba, Tomohiko Ikenoya, Jun Watanabe

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Abstract

[Problem] A dust cover for a steering prevents offensive sounds from emitting during an operation of a steering wheel. [Means for Solving] A dust cover for a steering shaft according to the present invention includes: a bush 2 of low-frictional material, through which a steering shaft 20 penetrates; a plurality of bellows 3 made of rubber, provided in an axial direction of the steering shaft 20, and arranged between the bush 2 and a panel 19, for sealing the clearance; and an annular seal lip 4 in contact with the outer periphery of the steering shaft 20.

Claims17

Dependent claims

A dust cover for a steering shaft for closing a column hole between a steering shaft penetrating the column hole provided on a panel which separates an engine room and a vehicle compartment, and the panel, comprising:

a bush made of low frictional material, through which the steering shaft penetrates;
a main body of dust seal made of rubber, provided with a plurality of bellows in an axial direction of the steering shaft and arranged between the bush and the panel, for sealing a clearance thereof, and an annular seal lip arranged at least on the engine room side of the bush, in contact with an outer peripheral surface of the steering shaft.

Dependencies are inferred from the claim text.