FIELD: construction.
SUBSTANCE: invention relates to finish hardware intended for closing doors. Anti-burglar lock comprises a body, a cross-beam arranged in it, arranged on a crossbar plate equipped with a comb and a post, a spring-loaded relative to the body, each of which has stepped slot for arrangement of crossbar post and slots for vertical movement along guides. Said side surface facing the crossbar is provided with protrusion or projections interacting with tail surface of cross bar.
EFFECT: invention is aimed at improving burglar resistance in unauthorized burglary by drilling a crossbar post or beating a latch bolt inside the lock housing.
4 cl, 3 dwg
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