SAFETY DEVICE FOR DESCENT OF PEOPLE Russian patent published in 2008 - IPC A62B1/14 A63B29/02 

FIELD: transport.

SUBSTANCE: device consists of base, brake device, descending device, trigger lever, and cargo clamping element. The difference is that trigger device is made as steel wire rope and device is supplied with drum for compact winding of wire rope and drum rotating element made as angle-wise flexible plate secured on basement capable of interaction with circumferential holes of drum made for one-direction wire rope winding-off. Drum has safety pin for fixation. Basement of device is made as two parallel installed and rigidly interconnected plates with rigidly fixed brake device between them being made in form of seven cambered tempered steel disks of different diameters. Trigger lever is made in form of two hinged plates of different length, longer plate being secured with possibility of rotating on basement coaxial with top disk of brake device, and shorter plate is hinged with one end to short arm of cargo clamping element being shaped plate hinged on basement, cargo clamping element has additional bulge with orifice for wire rope for regulation of unwinding of the latter and means for fixing wire rope is made as braking bulge rigidly secured on cargo clamping element interacting with brake device lower disk with braking bulge having calibrated orifice for wire rope.

EFFECT: increase of reliability, serviceability, and safety for user applying device.

11 cl, 3 dwg