| 摘要 |
PROBLEM TO BE SOLVED: To provide a lid body that achieves stable locking of a slide lock without inhibiting the lid body from being compacted.SOLUTION: A lock mechanism 12 is constituted of: a pair of vertical wall parts 18 provided in a lid main body 9; a lock button 16 that is arranged between the vertical wall parts 18 and has an engagement part 16A; an engagement piece 14 that is provided in the lid body 10 and engaged with the engagement part 16A; and a slide lock 17 comprising an arm part 32 to be inserted into a guide part 31 provided in the vertical wall part 18. The slide lock 17 has a stopper piece 28 that is provided slidably along the guide part 31 and inserted between the lock button 16 and the lid main body 9. In an upper position state, the stopper piece 28 is inserted into the lock button 16 so as to regulate movement in an engagement releasing direction of the lock button 16, and in the guide part 31 are provided lock receiving parts 36 corresponding to a first protruding part 33, a second protruding part 34 and a third protruding part 35 provided in the arm part 32 respectively in the upper position state and a lower position state of the slide lock 17. |
