DOOR Russian patent published in 1994 - IPC

FIELD: construction of garages, stores and other premises. SUBSTANCE: door includes frame 1 with wings 2 and 3 locking devices (fasteners) 6, gate 4 with lock 5. Attached to wing 2 by means of hinges 8 is shutter 9 with lugs 7 and 10 interacting with locking devices 6 of wing 3. Made between end faces of gate 4 in closed position and opening from stop and bottom are gaps in which in closed position of locking devices 6 their handles are located. Size of bend of bent ends of handles is larger than distance between inner surfaces of gate 4 and shutter 9. Additional gate 4 is locked on shutter 9 by means of lug 11 attached to shutter 9 and located between lock 5 and side end face of gate 4. EFFECT: higher efficiency. 3 cl, 4 dwg