| 摘要 |
PROBLEM TO BE SOLVED: To provide a door structure excellent in air-tightness and prevention of crime. SOLUTION: This door structure is the structure of a push-open type service entrance door 1 in which a latch 4 is projected and recessed from a door main body 2 by turning a, handle 3 to open and close the door main body 2 to a door frame 6. The latch 4 can be stored on the door main body 2 side from a latch receiver 61 by turning the handle 3 in the direction of an arrow A from the neutral position where the latch is projected from the door main body 2 to be fitted in the latch receiver 61 of the door frame 6. The door main body 2 is provided with dead bolts 5 in positions vertically apart from the latch 4. The dead bolts 5 are projected into dead bolt receivers 62 provided in the door frame 6 by turning the handle 3 provided on the door main body 2 in the direction of an arrow B from the neutral position to engage the door main body 2 with the door frame 6.
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