| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To further efficiently use a game board of a pinball game machine. <P>SOLUTION: The game board 83 includes: a plate-like game board body 84; an outer rail 85, a left inner rail 86 and a right inner rail 87 that are attached to the front face of the game body 84 and have an arcuate internal circumferential face forming the outline of the playfield; and a winning device disposed in the playfield and attached to the game board body 84, wherein an out ball outlet 89 for discharging a game ball that reaches the lowermost part of the playfield, as an out ball is formed as a clearance between the lower end 86a of the left inner rail 86 and the lower end 87a of the right inner rail 87. The game board 83 dispenses with boring of the out ball outlet 89 at the lower part of the game board 83 as a hole penetrating through the game board 83 so as to broaden a range usable for arranging components in the playfield by just that much and promote the efficient use of the game board 83. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
