| 摘要 |
PROBLEM TO BE SOLVED: To provide an entrance structure with an escape hatch which enable a person to securely escape from indoor to outdoor in an emergency when an entrance door is not opened because fitting is warped in an earthquake and is also used as a package receiving port for receiving a package from an authenticated home delivery agency or a post office. SOLUTION: The entrance structure with the escape hatch is provided with an auxiliary opening 2 provided at the lower part of a door body in the entrance door 1 or at a near wall, an auxiliary opening frame body 3 which is fixed to the end edge of the auxiliary opening 2 and has an internal dimension which enables at least the trunk of an adult to pass therethrough in the emergency, an auxiliary wing 4 rotatably hinged to the auxiliary opening frame body 3, and a locking means 5 which is provided at the auxiliary opening frame body 3 and the auxiliary wing 4 to unlockably lock the auxiliary wing 4 from the indoor side of the door. The escape hatch in the emergency is available when the auxiliary wing is opened. The auxiliary opening 2 is also used as the package receiving port which receives a package from the authenticated home delivery agency or the post office in the absence of a recipient. COPYRIGHT: (C)2007,JPO&INPIT
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