| 摘要 |
PROBLEM TO BE SOLVED: To shorten time in the case of replacing a paper carrying roller and improve workability in maintenance. SOLUTION: A paper carrier roller 1 having a peripheral surface 1b and two end surfaces 1a is furnished with a through hole 9 open to the end surface 1a through which a shaft 4 passes, a plural number of cut paper carrier rollers 10, 11, a paper carrier roller fastening part 5 to connect the cut paper carrier rollers 10, 11 to each other free to divide and a paper carrier roller projection part 6, a border line of a plural number of the partial paper carrier rollers 10, 11 is devised to pass through a shaft 4, and accordingly, it is possible to disconnect the cut paper carrier rollers 10, 11 by the paper carrier roller projection part 6 as well as the paper carrier roller fastening part 5 and to remove only the paper carrier roller 1 from the shaft 4, and consequently, it is possible to shorten replacing time of the paper carrier roller 1 and to improve workability in maintenance.
|
