| 摘要 |
PROBLEM TO BE SOLVED: To prevent a nip pressure near a shaft end from changing with regard to an elastic material-covered roller mounted on the printing device and the printing device. SOLUTION: The elastic material-covered roller of the printing device is constituted of a thin-wall portion of a roller end part, a thick-walled portion of a roller center part and a changing portion between the former two formed on the inner surface side of the elastic material so that a smooth change from the thin-wall portion to the thick-wall portion or vice versa can be realized. COPYRIGHT: (C)2007,JPO&INPIT
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