| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine where a hinge pin is prevented from coming off and an opening and closing door is smoothly opened or closed with the hinge pin as the center of opening or closing. SOLUTION: The game machine 1 comprises a frame 2 where a frame-side hinge member 21 is arranged; and the opening and closing door 3 where a door-side hinge member 31 is arranged. The door-side hinge member 31 has the hinge pin 32 provided with a guard part 321. The frame-side hinge member 21 has an upper piece part 211, a step part 212 and a lower piece part 213. At the lower piece part 213, a locking member 4 provided with a pin lock part 41 and a biasing spring 42 is arranged slidably. At the lower piece part 213, a pin insertion hole 22 provided with a wide width part 221 and a narrow width part 222 is arranged. At the step part 212, a step part hole 23 is bored. The pin lock part 41 rotatably holds the hinge pin 32 in the narrow width part 222, the guard part 321 engages with the peripheral edge part of the narrow width part 222 in an engageable state, and the opening and closing door 3 is opened or closed with respect to the frame 2. COPYRIGHT: (C)2004,JPO&NCIPI
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