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Application filed by Виктор Григорьевич ГончаровfiledCriticalВиктор Григорьевич Гончаров
Priority to UAU201102572UpriorityCriticalpatent/UA63405U/en
Publication of UA63405UpublicationCriticalpatent/UA63405U/en
A shaft has several circular collars with wear-resistant coating with given tribotechnical properties arranged separately one from another in long direction on its cylindrical surface. Wear-resistant coating of each collar is arranged as sections placed in discrete way at distance one from another in circle and along the shaft introduced into the matrix of the collars in such way that the outer surface of those sections is arranged at the level with the outer surface of the matrices of the collars.