| 摘要 |
PROBLEM TO BE SOLVED: To prevent an unlawful action to a control board and to easily find a sign of the unlawful action.SOLUTION: A substrate box of a game machine 10 consists of: a first case 1082; a second case 1081 engaged with the first case; and pasting plate parts 1202 and 1203 comprising a plate surface provided on peripheral parts of both openings of the first case and the second case, respectively. The substrate box comprises: a seal 1201 pasted onto the pasting plate parts; a gap 1223 which is so formed that one of the pasting plate parts is inclined to a slide direction surface of the case and the gap 1223 is formed on the pasting plate parts in a sliding direction; and a cutting blade structure 1221 attached to the other one of the plate surfaces so that it comes out from the gap. A blade tip part 1222 of the cutting blade structure is so constructed that when the case slides, the blade tip part projects from the narrow gap between both pasting plate parts on the plate surface and the blade tip part cuts the seal while scratching the seal. |
