PLASTIC WASHING MACHINE PULLEY Russian patent published in 2023 - IPC D06F37/26 

FIELD: household appliances.

SUBSTANCE: washing machine drum belt pulley made of plastic comprises a hub, a circumferential surface of the belt pulley for receiving the belt, a substantially round dividing rib separating the belt pulley into inner and outer concentric sections with multiple reinforcing ribs. Washing machine drum belt pulley made of plastic containing the central part of the belt pulley made in the form of a hub. The separating rib is located on the line of the polygon having a centre on the axis of the belt pulley and having corners into which part of the outermost ribs enters from the side facing the hub. Moreover, these ribs are part of multiple reinforcing ribs of the inner section. At the same time, at least a part of these ribs, directed to the corners of the separating rib, runs along the line of polygons, preferably hexagons, which are radially located in the inner section and are in contact with each other along one of their sides. Moreover, at least one arcuate rib of the outer section originates from at least one mentioned corner of the separating rib on the side facing the outer circumferential surface, and its free end comes into contact with the outer circumferential surface of the belt pulley.

EFFECT: prevention of deformation of the belt pulley.

10 cl, 2 dwg