| 摘要 |
A lock of door bolt latch, installed outside the bolt, in which a rod, inaccessible from outside and inserted in holes of the element extending the latch, is used as a blocking device, characterized in that the latch (1) is extended by a bracket (2) mounted on it, the bracket having plates (2',2'',2''') equipped with holes (3',3'',3''') so that a rod (4) with necking points (4') coaxial with the plates can be inserted through them at the angle of 90 degrees to the longitudinal axis of the latch (1), where there is one necking point (4') fewer than the number of plates (2',2'',2'''), and the plates (2',2'',2''') are parallel to the latch (1).<IMAGE>
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