| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine which can install a front board cover onto a front board by a simple constitution. SOLUTION: The front board component of the pinball game machine of this invention is integrally constructed into one piece by making through holes 61 which penetrate fore-and-aft direction of the front board 34 of the outer frame 2 at both its left and right ends and at its center position, and the front board cover 35 is integrally equipped with a front plate part 45 abutting on the front board 34 and covering almost the whole of its surface from the front, with an upper cover part 46 running longitudinally and covering the front board 34 from the top side projecting from the upper end to rearward of the front plate part 45, with the side cover part 47 covering the front board 34 from both left and right sides warping to rearward from both ends of the front plate part 45 and with the lower plate part 48 running longitudinally and projecting to rearward from the bottom end of the front plate part 45, and the above-mentioned parts are integrally constructed into one piece to rearward of the front plate part 45 by projecting to the rear two or more protrusions 40 driven into each of the through holes 61 from the front side and two or more detachably engaging engagement parts 41 driven into each of the through holes 61 from the front side. COPYRIGHT: (C)2007,JPO&INPIT
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