| 摘要 |
PROBLEM TO BE SOLVED: To secure an anti-theft property by stopping person's detaching an outer door with the outer door locked even in the case that a hinge pin is cut. SOLUTION: With respect to an outer door 2 arranged in the front of a main body case 1, a rear peripheral frame 2a is formed to a stepped shape projecting to the inside of the main body case, and upper and lower ends on the suspension root side are axially supported and coupled to the main body case by a hinge pin 10, and a door lock is provided on the side opposite to the suspension root. Anti-theft plates 12 and 13 overlapping in the longitudinal direction are laid and fixed respectively on a side face of the rear peripheral frame on the suspension root side of the outer door 2 and the inside of the aperture side edge of the main body case 1 which faces this side face, and the vertical length of anti-theft plates corresponds to vertical dimensions of the outer door, and they are manufactured by channel materials made of steel plates the front ends of which engaging piece parts 12a and 13a projecting approximately like L and longitudinally overlapping are formed at in the lengthwise direction by bending, and the door end part on the suspension root side is detained and bound to the main body case through anti-theft plates in the close position of the outer door 2.
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