| 摘要 |
PROBLEM TO BE SOLVED: To provide a fastening member capable of preventing metallic powder from entering by wear of the fastening member. SOLUTION: This fastening member comprises a bolt 46, a nut 50, a buckling cylindrical member 48 fitted into the periphery of the bolt 46. It is preferable that the cylindrical member 48 is formed of a resin material, especially a polyacetal resin material. Between a head portion of the bolt 46 and members to be fastened (flanges 40, 42), and/or between the nut 50 and the members to be fastened (flanges 40, 42), elastic sealing members 52, 54 are interposed. |
