| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a game machine preventing a certain person from easily doing a fraud such as opening a door hid from a parlor side by, once the door is opened, prevented its closing unless performing a predetermined operation, suppressing the occurrence of the fraud and preventing the obstruction of the service. <P>SOLUTION: This game machine is provided with a recessed member provided in either of the front side of a casing 1 or the back side of a front door 3 and having a recessed part, a projecting member provided in either of the back side of the front door 3 or the front side of the casing 1 and having a projecting part to be fitted in the recessed part, and a position changing means, when the door is opened, changing at least one position of the recessed member or the projecting member, making it impossible to release the fitting state between the recessed part and the projecting part, and having a reset means. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
