Patent ID: 9022188
Filing Date: 2015-05-05
Classification: F16F

Abstract:
1. A dust seal structure for a shock absorber, comprising: a cylindrical base shell in which a piston valve and a piston rod are embedded; a cap member having a first side covering one end of the base shell and having a second side opposite the first side; an oil seal sealing the base shell; and a dust sealing member blocking dusts from being introduced at one side of the oil seal, wherein the cap member comprises: a through-hole which is formed in an upper central portion of the cap member and into which the piston rod is insertable; and a plurality of discharge groove portions, formed on an outer surface of the cap member arranged on the second side, extending radially from the through-hole in order to discharge dusts, wherein the plurality of discharge groove portions face away from an inside of the cylindrical base shell in an axial direction of the piston rod.