| 摘要 |
PROBLEM TO BE SOLVED: To provide an entrance door having a high crime prevention effect since a key hole is not exposed to the outside. SOLUTION: This entrance door 1 comprises an access frame 2 formed in a building, a door 3 openably fixed to the inside of the access frame 2 through a pivot, an electric lock 4 locking and unlocking the door 3 by a dead bolt 42 extracted from and recessed into a cylinder case 41 disposed on the access frame 2 side, and a newspaper receiver 5 detachably fitted to the access frame 2 to cover the front face of the key hole 43 formed in the access frame 2 of the electric lock 4. COPYRIGHT: (C)2007,JPO&INPIT
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