| 摘要 |
<p>A sheet feeder (l) includes a hopper housing (2l) for storing stacked thick sheets (4), which has a bottom plate (2lA) and side walls (2lB) projecting from both sides of the bottom plate and substantially parallel to each other to form a front opening and an upper opening, a separator (5, 6) on the hopper housing, the separator including a front wall (5B, 6B) located to cover the front opening and an upper wall (5A, 6A) arranged to cover a part of the upper opening close to the front opening, pressure means (28) inside the hopper housing for pressing the stacked thick sheets against the upper wall, a slit (5S, 6S) in the front wall parallel to the plane of the sheets at a position corresponding to an uppermost sheet (4A) of the stacked sheets, the slit having a width which allows only one of the sheets to pass and a feed roller (22) at the upper opening of the hopper housing so as to contact the uppermost sheet, the feed roller feeding the uppermost sheet out of the hopper housing through the slit.</p> |
