| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an attacker device for shortening time from completion of one round to the start of the next round in a big winning state. Ž<P>SOLUTION: The attacker device 40 includes: a main body housing 41; an opening/closing door 50 for opening and closing a prize winning port (big winning port 45); prize winning ball detecting section (magnetic sensors 57A and 57B) for detecting passing of game balls B; and a prize winning space region 66 where game balls entering the main body housing move to the prize winning ball detecting section. In the main body housing, an opposite wall 60 facing the opening/closing door in a closed state is disposed and when the opening/closing door is closed, a narrow width part 64 having a separate distance L smaller than the diameter D1 of a game ball is formed in the prize winning space region by the reverse surface 50a of the opening/closing door and the front surface 60a of the opposite wall. When the opening/closing door closes, the opening/closing door adds pressurization force in a direction progressing to the prize winning ball detecting section, to the game balls positioned between the rear surface of the opening/closing door comprising the narrow width part and the front surface of the opposite wall. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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