Document feeding, handling and counting apparatus
AssigneeBrandt, Inc.
InventorJohn DiBlasio
Life of this patent
Estimating the term…
Abstract
Apparatus for separating, counting and stacking sheets, including a feed roller and cooperating stripper shoe for permitting the passage of only single sheets fed therebetween, said sheets being moved along a curved path defined by a guide plate cooperating with the feed roll as the sheet emerges from the region between the stripper shoe and feed roll. The leading edge of the sheet moving along said curved path enters into a nip between an acceleration roller and an acceleration idler mounted on a common axis with the feed roll to abruptly accelerate the sheet and drive it into a stacker wheel which delivers the sheet to an outfeed stacker. The feed roll is provided with a plurality of surfaces of differing coefficients of sliding friction to facilitate separation of sheets.
Claims47
Apparatus for separating sheets regardless of their quality or stiffness, comprising:
- input and output paths along which the said sheets are moved;
- a curved guideway for guiding sheets leaving the input path to guide said sheets to enter the output path;
- first rotatable means engaging each sheet and cooperating with said curved guideway for moving sheets at a first velocity along said curved guideway toward said output path;
- and
- having second means including second rotatable means coaxial with said first rotatable means for engaging the leading edge of each sheet for abruptly imparting an acceleration force upon each sheet independent of said first means for accelerating the sheets to a higher velocity, said force being exerted just before the leading edges of the sheets leave said curved guideway and the influence of said first means and approach the output path to provide a gap between adjacent ends of successive sheets.
Apparatus for handling sheets comprising:
- a plurality of rollers mounted for simultaneous rotation upon a common axis;
- stripper means cooperating with at least a first one of said rollers and forming a first nip for preventing the passage of more than a single sheet through said first nip;
- acceleration means cooperating with a second one of said rollers and forming a second nip displaced from said first nip;
- curved guide means for guiding sheets passing said first nip along a curved path towards said second nip whereby sheets are abruptly accelerated upon entering said second nip to form a finite gap between the adjacent edges of neighboring sheets ejected from said second nip.
Apparatus for separating sheets comprising input and output paths along which sheets are moved;
- a guideway having a curved portion for guiding each sheet leaving the input path to enter the output path;
- first rotatable means cooperating with said guideway for moving sheets at a predetermined speed along said guideway toward said output path;
- second means including second rotatable means coaxial with said first rotatable means for abruptly accelerating the sheets to a higher velocity and engaging the leading edge of a sheet and accelerating the engaged sheet when the trailing edge of the sheet leaves the the influence of said first means as the sheet approaches the output path to provide a gap between adjacent sheets moving in said output path.
Dependencies are inferred from the claim text.