FIELD: machine building.
SUBSTANCE: invention relates to machine building. A gear with three-dimensional gearing comprises a worm wheel and a worm interacting with it and made as a cylindrical shaft and a wound spring enclosing the shaft, the spring is fixed in the said shaft in profiled rings. The worm wheel is made as a hollow metallic cylinder with through grooves and rollers-teeth which form the three-dimensional gearing when interacting with the spring worm.
EFFECT: improved performance characteristics and longer service life of the gear.
3 cl, 1 dwg
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