FIELD: fastening devices for wings, especially for doors or windows.
SUBSTANCE: device for blocking door member 1a in opening leading to confined space comprises executive member 2 installed outside the confined space. Executive member 2 may be moved by displacement of transfer mechanism of door latch 6 installed inside the confined space between the first position and the second position. In the first position latch 6 permits door member 1a opening. In the second position latch 6 connects door member 1a with the second door member 1b to prevent door member 1a opening. Device has lock 3 to fix latch 6 in the second position and motion transfer mechanism. Latch 6 and lock 3 parts are covered with protective case 5. Case 5 and motion transfer mechanism are arranged inside the confined space.
EFFECT: increased efficiency.
12 cl, 4 dwg
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