| 摘要 |
<p>: A bottom sheet separator feeder for separating and forwarding sheets seriatim from the bottom of a stack of sheets to be fed. It comprises a stack tray (3) defining a surface (50) for supporting a stack of sheets to be fed, the tray having a depressed control portion (33) in at least the front part of the surface (50). Vacuum feed belts (9) are disposed in the pocket 33 to pull the bottom sheet in the stack into the pocket and feed the sheet from beneath the stack. An air injection knife (10) disposed adjacent the front of the tray (3) injects air between the bottom sheet in the stack and the tray and between the bottom sheet and the remainder of sheets in the stack. Ramps (52) are provided at the front ends (51) of said tray at each side of the pocket (33) for raising the lead edges of the sheets in the stack above the support surface (50) to control multifees and misfeeds of downcurled sheets.</p> |
