| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To properly assemble all drive rollers in assembling a plurality of drive rollers even when the drive rollers are arranged on a drive disc at high density so that a center axial line of a bearing hole passes through the adjacent drive roller. <P>SOLUTION: A plurality of screwed drive rollers 56X, which have an opening 561X attaching and detaching a shaft, and which can be filled by a supplementary screw 59 forming a supplementary form of the opening 561X, are assembled with each other. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
