DRIVE PULLEY OF VARIATOR Russian patent published in 2017 - IPC F16H55/56 F16H9/18 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, namely to devices intended to control speed of rotation of shafts. Drive pulley of the variator comprises a shaft, onto which there are two semi-pulleys, inserts and a stop. One of the semi-pulleys is movable in the axial direction. In the stop there are four pairs of projections. In each pair between the projections there is a roller, and in the movable semi-pulley there are four hinged centrifugal loads contacting with the rollers. Stop projections pairs are arranged crosswise, in the movable semi-pulley in two opposite sectors between the loads there are grooves. Onto the stop there are additional projections arranged in the grooves. Inserts are installed in the additional projections of the stop, herewith the inserts are made from a friction material.

EFFECT: guides are made from an antifriction material and contacting surface of the inserts and the guides are not flat.

1 cl