| 摘要 |
PROBLEM TO BE SOLVED: To simply fix a battery tray to a side frame of an electric automobile. SOLUTION: Welded nuts 10, 10a are welded to a side frame 6 arranged in the lower part of the vehicle body of an electric automobile. A battery tray 4 accommodating therein a battery 2, is formed therein with bolt holes 11, 11a corresponding to the positions of the welded nuts. Of the welded nuts 10, 10a, a nut 10a is tightened thereinto with a positioning stud bolt 13. At first, the stud bolt 13 is inserted into the bolt hole 11a so as to position the battery tray 4, and then, a bolt 12 is tightened into the welded nut 10 so as to secure the battery tray 4 to the side frame. |
