| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pinball game machine having various game modes by protruding a mobile ball inlet member which is stored in a ball inlet. <P>SOLUTION: The mobile ball inlet member 4a stored in a big prize winning device, where a ball enters by opening a door 2, is protruded under a protruding condition. Then, a specified prize-winning port 4 comes to the front part of the door 2, so that prize-winning probability is changed. In this case, an opening part 4e is provided with a width not to clog a taking-in port 4d in normal and protruding cases, so as to normally include the taking-in port 4d. Then, a prize-wining ball is guided to the taking-in port 4d together with a ball invasion preventing member 4k. The game ball coming down from the taking-in port 4d is detected by a V-switch 5. <P>COPYRIGHT: (C)2004,JPO</p> |
