| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine which can prevent an unfair act of getting prize balls by intentionally actuate a prize winning device by placing a wire rod such as a piano wire etc. on a game board. SOLUTION: A transparent plate retaining frame 5 can be connected to the front face of an inner frame body 4 set on an outer frame 2 by a pair of upper and lower multi-shaft hinges 31 which respectively comprise a support member32a attached to the inner frame 4 side, a support member attached to the transparent plate retaining frame 5 side via an attaching member 41, and a link plate 33b by which bar shape axis parts 39 set on both end parts are pivotally supported in this pinball game machine 1. The attaching member 41 is equipped with an outside plate 41b to press the link plate 33b with prescribed pressure force to the inner frame side to bend the link plate 33b against its elastic force. COPYRIGHT: (C)2004,JPO
|
