| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent decline of an appearance when viewing from the front side of a glass door. <P>SOLUTION: On the front side of a game board 5, a glass door 6 including a glass door frame 28 surrounding a see-through window 27 corresponding to a game area 14 of the game board 5 and glass plates 36 and 37 mounted on the glass door frame 28 to close the see-through window 27 is provided, and the glass door 6 is provided with a sensor 30 for detecting a game ball which is hit into the game area 14 through a guide rail 15 of the game board 5. The sensor 30 projects inside the see-through window 27 and arranged on the back side of the glass plates 36 and 37, and an attaching member 45 of the sensor 30 is arranged on the back side of the glass door frame 28 more on the outer side than an inner peripheral edge 35 formed along the guide rail 15. <P>COPYRIGHT: (C)2013,JPO&INPIT |
