Patent ID: 11892070
Assignee: GORENJE GOSPODINJSKI APARATI, D.D.
Field: Other consumer goods (Other fields)
Classification: CPC D  F | IPC D  F

Claim 0:
1. A belt pulley of a washing machine drum, particularly of a household washing machine, made of a plastic material, which comprises a central part of the belt pulley formed as a hub, with which the belt pulley is fastened to a drum shaft; a belt pulley circumference arranged concentrically with respect to the hub and receiving a belt on its outer surface; a substantially circular dividing rib arranged concentrically with respect to the circumference of the belt pulley so as to divide the belt pulley into two concentric sections, i.e. a first, inner section closer to the hub, and a second, outer section delimited by the circumference of the belt pulley, wherein a respective plurality of reinforcing ribs are arranged in the inner and outer sections, characterized in
that the dividing rib is arranged on a line of a polygon having the centre in the belt pulley axis and exhibiting corners, into which, from a side facing the hub, a portion of the reinforcing ribs lying the furthest away from the hub lead, said ribs being part of a plurality of reinforcing ribs of the inner section, wherein at least a portion of the reinforcing ribs leading into the corners of the dividing rib extend along a line of polygons which are in the shape of hexagons and radially arranged in the inner section and in contact with each other along one of their sides,
that from at least one said corner of the dividing rib on the side facing the circumference, at least one arc-shaped reinforcing rib originates, the free end of which contacts the circumference of the belt pulley.