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1. (WO2017154672) DUST COVER AND SEALING STRUCTURE

Pub. No.:    WO/2017/154672    International Application No.:    PCT/JP2017/007828
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Wed Mar 01 00:59:59 CET 2017
IPC: F16C 11/06
F16J 3/04
F16J 15/52
Applicants: NOK CORPORATION
NOK株式会社
Inventors: KANAGAWA, Koji
金川 幸司
Title: DUST COVER AND SEALING STRUCTURE
Abstract:
Provided are a dust cover and a sealing structure with which sealing is improved without increasing the number of components. The sealing structure is characterized in that a seal part 120 is provided with an inner peripheral seal part having a plurality of annular protrusions that are free to slide over the outer peripheral surface of a shaft part 310, and a dust seal part free to slide over the end face of a knuckle 400; a third protrusion 121c that is farthest to one end side of the plurality of annular protrusions is formed so as to protrude toward the one end side by the inner peripheral surface of the seal part 120 and an annular recess 123 that is recessed from the end face of the one end side toward the other end side in the seal part 120; and the inner peripheral surface of the third protrusion 121c is configured so as to adhere in a freely slidable manner to the outer peripheral surface of a ridge part 311.