| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixed frame of a game machine which reduces the quantities of raw materials. SOLUTION: An upper plate portion 2 and a lower plate portion 3, a left plate portion 4 and a right plate portion 5 are connected as if to surround a rectangular opening 53 passing through back and forth to ensure that the back-and-forth dimensions of an upper substrate portion 10 is formed smaller than an upper rear left protrusion 11 and an upper rear right protrusion 13, the back-and-forth dimensions of a lower substrate portion 21 is formed smaller than a lower rear left protrusion 22 and a lower rear right protrusion 23, the anteroposterior size of a left substrate 27 is formed smaller than a left rear upper protrusion 28 and a left rear lower protrusion 29, the anteroposterior size of a right substrate 34 is formed smaller than a right rear upper protrusion 35 and a right rear lower protrusion 36, the upper rear left protrusion 11 and the left rear upper protrusion 28 intersect each other at right angles and connected, the upper rear right protrusion 13 and the right rear upper protrusion 35 intersect each other at right angles and connected, the lower rear left protrusion 22 and the left rear lower protrusion 29 intersect each other at right angles and connected, and the lower rear right protrusion 23 and the right rear lower protrusion 36 intersect each other at right angles and connected. COPYRIGHT: (C)2007,JPO&INPIT
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