The purpose of the constructional solution of toothed wheel is the reduction of its weight and prolongation of its service life in working conditions. The above mentioned purpose is achieved by simple alteration of at least two discs arranged beside each other and opposite annular spaces of the crown, which are mutually in mirror view unilaterally graduated, which enables lateral sliding of the crown on the toothed wheel hub and their mutual fixation with screws and fitting pins.<IMAGE>
