| 摘要 |
PROBLEM TO BE SOLVED: To provide a hinge supporting an armor door, in which the state, in which the door is opened at approximately 90 deg. and 180 deg., can be maintained by simple structure, to a box body for an information processor with the armor door used as the box body. SOLUTION: A supporting arm 12 is supported slidably to a guide bracket 11 installed onto the internal surface of the side wall of a box body 1, a lock plate 14 is supported slidably to the supporting arm 12, and a restraint spring 15 assisting the sliding of the lock plate 14 is mounted while a retaining section 14a at the front end section of the lock plate 14 is freely engaged and disengaged with and from an armor door 2. A supporting pin 13 is implanted at the front end section of the supporting arm 12, and a supporting hole 15, to which the supporting pin 13 is fitted movably, is formed at the proper position of the armor door 2. The supporting hole 15 is fitted to the supporting pin 13, and the armor door 2 is supported to the box body 1. The armor door 2 is set so as to be positioned in a section fronter than the front of an adjacent information processor under the state, in which the supporting arm 12 is moved forward up to a frontest section to the guide bracket 11.
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