| 摘要 |
PROBLEM TO BE SOLVED: To provide a winning hole having a gauge for generating a complicated flow of a game ball, even when a large-sized center case or a number of winning devices are disposed on a game board to reduce a space of a game region. SOLUTION: A through-hole 21 is bored so as to be partially positioned in a game ball passage region 7 of the game board 4. The game board 4 is fitted with the back part 23 of a prize-winning hole, provided with a peripheral wall 23b making contact with the inside of the through-hole 21 on the front side of the board, and an abutment piece 23d and a sensor holder 23e on the back side of the board at a fixing plate 23a. A peripheral wall 22c continuously provided on the back side of the board from the front side of the board to a flange 22b forming a ball entrance hall 22a is positioned in the peripheral wall 23b. In an internal rail 6 disposed on the flange 22b, a part having an arcuate shape made of an edge between both contact points with the flange 22b as the bottom and the midpoint of the bottom as the top is cut out. COPYRIGHT: (C)2004,JPO
|
