Conveying device including spiral track

Abstract

Disclosed herein a conveying device according to an embodiment of the present disclosure. The conveying device may include a rotation part including a friction layer on a surface thereof, and formed to extend in one direction, and a track part formed to spirally surround an outer circumference of the rotation part and extending along a direction in which the rotation part extends, wherein the rotation part may rotate about a center axis and conveys a conveyed material being conveyed in the conveying device in the one direction using a frictional force of the friction layer, and the track part may support the conveyed material being conveyed in the one direction.

Dependencies are inferred from the claim text.