| 摘要 |
PROBLEM TO BE SOLVED: To facilitate attaching work of a door to a support frame and to prevent a hinge pin of a hinge piece from being disengaged from a notch of a hinge receiving piece fraudulently. SOLUTION: A hinge device 10 of a Pachinko machine is fixed to an upper corner part of a door. The hinge device 10 comprises the hinge piece 20 having the hinge pin as the center of rotation of the door and the hinge receiving piece 30 fixed to an upper corner part of the support frame to support the door for supporting the upper end part of the hinge pin 26 of the hinge piece 20 rotatably. The hinge receiving piece 30 comprises the notch 36 in which the hinge pin 26 can be set in the radial direction of the hinge pin 26, with a circular arc part 36e for rotatably supporting the hinge pin 26 and an engagement member 40 to be hooked to the head 26h of the hinge pin 26 set in the circular arc part 36e of the notch 36 for preventing the hinge pin 26 from being disengaged from the notch 36. The engagement member 40 is prevented from moving in the direction out of the head 26h of the hinge pin 26 by the inner surface of the door closed to the support frame. COPYRIGHT: (C)2004,JPO
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