To provide a pulley that forcibly discharges scratched-off residues or dust to the outside by extremely effectively scratching off and forcibly separating the residues or dust of carried objects sticking and depositing on a belt.
This basket type pulley is composed of a shaft 1, an end plate 3 arranged in both end parts of this shaft so as to rotate together with the shaft, a bar material 4 arranged in a parallel shape in large numbers by supporting both ends in the whole peripheral edge equal interval position of these both end plates, a discharge window arranged in the end plate and a discharge means 7 arranged so as to discharge a scratched-off falling object fallen from between the bar materials from the discharge window, and adopts a constitution for arranging a spiral scratching-off transfer projection strip 8 of right winding in the other to left winding in one, on both ends from the outer peripheral surface center of the pulley.
UEDA NAOJI
Tokio Tachikawa