| 摘要 |
PROBLEM TO BE SOLVED: To prevent a fraud such as deforming a synthetic resin glass retaining frame or prying open the key side or the upper side of a game machine. SOLUTION: The upper side and key side members 110 and 120 of a reinforcing metal member 101 to be attached to a transparent plate retaining frame D are defined as a crank-shaped cross section formed by bending a metal plate at four points. A belt-shaped projecting piece 151 is provided in a position adjacent to the front face outer circumference of a game board retaining frame B. A projecting piece storage space 155 storable the belt-shaped projecting piece 151, when the transparent plate retaining frame D is closed, is provided between the outside plate 11 and second plane parts 112 and 122 of the reinforcing metal members 110 and 120. COPYRIGHT: (C)2006,JPO&NCIPI
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