| 摘要 |
A casing includes a main body, a ring defining a number of notches, a number of clasping members, and a number of first and second latching members. The main body defining a number of first through openings. The number of clasping members includes a first elastic arm defining a second through opening and comprising a first hook. The first latching member includes a second elastic arm and a second hook. The second latching member includes a third elastic arm and a third hook. The first hook clasps the bottom of the ring. The second hook clasps an edge of the corresponding second through opening. The third hook clasps an edge of the corresponding first through opening. |
