FIELD: mechanical engineering. SUBSTANCE: differential end seal has driving gear mounted on sealable shaft, certain number of friction rings made in the form of toothed gears with diameters increasing by certain value. Friction rings are axially arranged in pack, which abuts against driving gear rubbing surface. Disk spring is arranged between terminating friction ring and casing attached to differential sealable end. Driving gear and toothed gears-friction rings are brought into engagement with gears of differential gear blocks arranged in equally spacing relation on outer diameter of toothed gears, with center-to-center distance being kept. Gears in differential blocks are immovable and are gradually reducing in diameter. Such construction provides reduced wear of friction gears in places where surfaces inclined to frictional wear are positioned. EFFECT: simplified construction, enhanced reliability in operation and increased efficiency. 1 dwg
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