To provide a burglarproof door capable of preparing against a break-in crime without restricting the dedicated space of each family unit of an apartment house and without always occupying the common space thereof.
This burglarproof door 10 is formed double. The auxiliary door 2 of the burglarproof door is disposed on a wall surface H in which an entrance door 1 is installed, and formed in a deformed structure in which the auxiliary door takes a surrounding attitude T and a stored attitude K. When the auxiliary door is in a surrounding attitude T, the space on the common space C side adjacent to the entrance door 1 is so expanded as to surround the area in which at least one person can enter and the demarcated space R surrounded is visible from the common space C side. When the auxiliary door is in the stored attitude K, the entrance door can be stored along the wall surface H in which the entrance door 1 is installed.
| JPS57111904A | 1982-07-12 | |||
| JPS59199968A | 1984-11-13 | |||
| JPH0318472U | 1991-02-22 |
Yoshiaki Naito
Cui Shu Tetsu