| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To suppress deterioration in transport accuracy. <P>SOLUTION: A transport roller for transporting an operating medium includes: a roller body that is cylindrically formed so that a pair of each of the ends whose metal plates face close to or brought into contact with each other, and has a joining part of the pair of the ends; a plurality of protrusions that are cylindrically formed on the roller body and brought into contact with the operating medium; and an opening that is disposed close to the plurality of protrusions and penetrates the inside and the outside of the roller body. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
