| 摘要 |
<p>: A sheet stacker in which sheets are compiled in a tray on a support surface 62 against registration members 69 and a completed set is ejected, the registration members 69 being retracted, by an eject mechanism comprising a continuously rotating drive roller 73 spaced above the support surface 62 and a coacting idler roller 74 mounted on an arm 113 which is retracted during stacking and then pressed against the bottom of the completed set through an aperture 62a in the support surface 62 to effect ejection.</p> |
