| 摘要 |
PROBLEM TO BE SOLVED: To obtain a highly rigid bottom plate part in a cabinet box of a slot machine formed of an iron based metallic member. SOLUTION: In a game machine composed of the cabinet box 1 formed of a sheet metal member of the iron based metallic material and formed into a roughly rectangular box shape with a front surface opening, a front surface door 2 attached while covering the front surface opening of the cabinet box 1, and a game device 4 disposed inside the cabinet box 1 and the front surface door 2, the bottom part of the cabinet box 1 is in a double structure composed of an upper bottom surface 15b and a lower bottom surface 15a. Also, a stud nut as a female screw member 3 is disposed between the upper bottom surface 15b and the lower bottom surface 15a and the game device 4 and the cabinet box 1 are fixed on the upper bottom surface 15b. Also, a part of the upper bottom surface 15b is formed in a recessed shape and the upper bottom surface 15b and the lower bottom surface 15a are fixed at the recessed part. COPYRIGHT: (C)2005,JPO&NCIPI
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