BURGLAR-PROOF ROLLER SHUTTERS Russian patent published in 2021 - IPC E06B11/02 E06B9/15 E06B9/42 

FIELD: burglar-proof equipment.

SUBSTANCE: invention relates to the design of burglar-proof roller shutters (blinds) and, in particular, can be used in the design of burglar-proof folding doors that roll up similarly to blinds or roller shutters. Burglar-proof roller shutters include vertical guides, a drum with a drive for winding a web consisting of lamellae in the form of a profile with hooks and an internal cavity in which a metal insert is made, as well as at least two additional cylindrical cavities with a diameter of 1.0-1.5 of the thickness of metal inserts, located in the same plane parallel to the plane of the metal insert, in which metal round rods with a hardness of at least 60 HRC and diameters of 0.6-0.8 of the diameters of cylindrical cavities are placed.

EFFECT: creation of roller shutters that have the specified burglar-proof properties.

1 cl, 1 dwg