| 摘要 |
The invention relates to a door closing device provided with anti-burglary means, applicable to any type of door, particularly to the appartment entrance doors. The device comprises an arm (A) pivotable about a hinge (B) fastened to the door frame by means of an angle plate (1), the arm (A) being integral with an adjusting-sliding mechanism (D), also fastened to the case of door (5). A lock (2), whose locking elements (3) protrude, upon locking, into a door bolt (4) secured to the door frame (5), is mounted on the opposite end of the hinge (B), on the arm (A). A guide (C) mounted on the door (5), having a configuration similar to that of the common lock blocks, is provided for the insertion of the key from outside.
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