| 摘要 |
PROBLEM TO BE SOLVED: To provide a wheel mounting device for an automobile capable of not only preventing abnormality favorably in manufacturing performance but also firmly carrying out fitting and engagement of a wheel with no problem of accidental detachment of it. SOLUTION: A ward hole 14 with a ward 13 formed on its internal surface is formed on an outer end surface of a nut 10, and it is adjacent to a screw part 11 of the nut 10 with a partition wall 15 between itself and the screw part 11 of the nut 10. A ward shaft 19 with a ward 18 formed on its outer peripheral surface is arranged above a central axis of the ward hole 14, a mounting shaft 20 is inserted into a through hole 21 of the partition wall 15, and it is fixed there by calking work. A cylindrical part 43 free to insert into a ring groove 26 formed of the ward hole 14 and the ward shaft 19 is provided on a fitting end surface of a wrench adapter 40, a ward 44 corresponding to the ward hole 14 is formed on an outer peripheral surface of the cylindrical part 43, and a ward 45 corresponding to the ward shaft 19 is formed on an inner peripheral surface of the cylindrical part 43.
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