| 摘要 |
<p>PROBLEM TO BE SOLVED: To fix a cover to the box without use of a screw. SOLUTION: A projected means 10b which is projected toward external side is provided on the outside of both contact surfaces 10a of a box 10 and a deformed L-type arm 20b having an upward pawl at the end part is provided on the external side of both contact surfaces 20a of a lid 20. Therefore, the projected means 10b of the box 10 is held from the lower side with the deformed L-type arm 20b to fix the lid 20 to the box 10 with the spring force of the deformed L-type arm 20b.</p> |
