Patent ID: 8132727

Claim:
A card reader comprising: a carrying roller which is rotated by a drive force of a drive source to carry a card; wherein the carrying roller comprises: an outer peripheral member which is made of rubber and formed in a substantially cylindrical shape, and which structures an outer peripheral side of the carrying roller; and a holding member which is provided with an outer peripheral face that abuts with an inner peripheral face of the outer peripheral member, and which is disposed on an inner peripheral side of the outer peripheral member and holds the outer peripheral member; wherein the inner peripheral face of the outer peripheral member is formed with a plurality of protruded parts which are protruded toward an inner side in a radial direction; wherein the outer peripheral face of the holding member is formed with a plurality of groove parts which are recessed toward the inner side in the radial direction and engaged with the protruded parts; and wherein a height in the radial direction of each protruded part is set to be 1/3.5 or less of a thickness in the radial direction of a portion of the outer peripheral member where the protruded part is not formed.