| 摘要 |
PROBLEM TO BE SOLVED: To provide a simply structured hinge device easily oscillating to be opened/closed and allowing easy attachment/detachment. SOLUTION: This hinge device H1 supporting a front frame 2 freely openably to an outer frame 1 of a game machine is constructed of an upper fixing metal fitting 10 having a plate type part 17 and an upper oscillating metal fitting 50 having a supporting shaft 54. The plate type part 17 is constructed of a lower plate member 30, in which a shaft supporting hole 31a and a guide hole 35 are formed, an upper plate member 20 fixed to the rear part upper face of the lower plate member and provided with an introduction part formed on the one side lateral side, and a lower lid member 40 mounted to the front part lower face of the lower plate member and provided with a lock hole 45. In the supporting shaft 54, a lock pin 56 capable of protruding downward from its lower end face is arranged movably in the vertical direction. The supporting shaft 54 is introduced into the guide hole 35 from an introduction part and moved to a shaft supporting hole 35a along the guide hole, and then, the lock pin 56 is moved downward so that its lower end pin part 56a is protruded into the lock hole 45 for holding the supporting shaft 54 inside the shaft supporting hole 35a. COPYRIGHT: (C)2003,JPO
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