US Patent 10246288 Medium winding device

A medium winding device for winding a medium includes: a rotatable winding member; a driver configured to rotate the winding member to wind the medium around the winding member into a roll; a rotating friction member rotatably disposed upstream of the winding member in a conveying direction in which the medium is conveyed, the rotating friction member having a high friction member forming an outer surface of the rotating friction member, and being configured to apply tension to the medium when the medium is wound around the winding member; and a tension adjusting member connected to the rotating friction member and configured to maintain the tension applied to the medium constant.