Patent ID: 8425131

Claim:
A roll paper holding apparatus comprising: a pull-out unit which can be pulled out and housed through an opening formed in a printing apparatus main body; a paper holding section which is provided in the pull-out unit and rotatably holds a roll paper in which a paper is wound into a roll shape; a contact body which is provided in the pull-out unit, and contacts with a frame of the opening when being rotated in a first rotation direction in which the paper holding section is opened according to a pull-out operation of the pull-out unit with respect to the printing apparatus main body and contacts with a side surface of the roll paper held by the paper holding section when being rotated in a second rotation direction which is opposite to the first rotation direction according to a housing operation of the pull-out unit with respect to the printing apparatus main body; and an urging section which is provided in the pull-out unit, and urges the contact body opened to the paper holding section in the first rotation direction when the pull-out unit is pulled out from the printing apparatus main body and urges the contact body in the second rotation direction when the pull-out unit is housed in the printing apparatus main body.