Document sheet feeder

Details Document sheet feeder Document sheet feeder

1989-06-19

1992-06-09

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271120, 271121, B65H 306

Patent

active

051200422

ABSTRACT:
A document sheet feeder in accordance with the present invention includes a document sheet stacker, an inclined surface portion which is inclined by a predetermined angle with respect to the document sheet stacker, a separation roller which is disposed above the document sheet stacker and which has a plurality of equiangularly-spaced-apart blades extending radially outwardly from the outer surface of the separation roller, a feed roller disposed downstream of the separation roller in order to feed a separated sheet to a predetermined position and pinch roller movable to contact with or disengage from the feed roller. The separation roller is rotatably carried at the end of a first swinging arm and is moved between an operative position at which the sheet separation is effected and an inoperative position spaced apart from the operative position. A pinch roller is rotatably carried at the leading end of a second swinging arm which in turn is swung to a position at which the pinch roller is made into contact with the feed roller when the separation roller is in the operative position for separating a sheet one at each time.

REFERENCES:
patent: 3630516 (1971-12-01), Hong
patent: 3649003 (1972-03-01), Muller
patent: 3731915 (1973-05-01), Guenther
patent: 4192497 (1980-03-01), Perun
patent: 4394009 (1983-07-01), Bergman
patent: 4566684 (1986-01-01), Gysling

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