1. Retaining brake with screw closure.;2. Purpose - for reliable braking of the descending cargo and its retention in the inhibited position.;3. The screw brake closure brake comprises a drive shaft on which the discs are mounted: the thrust bearing, the pinion with the pinion on the threaded interface to the drive shaft, and in the space between them is movably tangential to the brake with the ratchet engaging with the non-reversible latch and This braking torque, created between the frictional surfaces of the thrust and brake discs, is twice the torque of the resistance to rotation of the shaft in its threaded mating with the pressure plate, and the surface The friction of the thrust and brake discs is flat, and the pressure and brake conical shape.;4. The technical result is a reduction in the radial dimensions of the pressure and brake discs. 2 ill
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