Sheet feeding apparatus and two side image forming apparatus the

Details Sheet feeding apparatus and two side image forming apparatus the Sheet feeding apparatus and two side image forming apparatus the

1997-10-31

1999-08-03

Milef, Boris

Sheet feeding or delivering

Feeding

Separators

271122, 271147, B65H 108

Patent

active

059314559

ABSTRACT:
A sheet feeder for feeding a sheet from a sheet stacker. The sheet feeder includes: a main body of the sheet stacker for holding plural stacked sheets; a movable bottom plate, provided on the bottom portion of the main body and supported bivotally on an axis, for supporting the plural stacked sheets; a lifting lever for lifting the movable bottom plate; and plural pickup rollers, aligned on an axis in a direction perpendicular to a sheet feeding direction, for having a pressure contact with a sheet of the plural stacked sheets on the movable bottom plate, and for feeding the sheet from the main body in the sheet feeding direction. In the sheet feeder, a protruded portion is formed either on the movable bottom plate or on the lifting lever so that a contact portion where the movable bottom plate comes in contact with the lifting lever is of a point contact, and the contact portion is provided at the center of the closest two of the pickup rollers in the direction of their axis.

REFERENCES:
patent: 4098501 (1978-07-01), Tani et al.
patent: 5527029 (1996-06-01), Bortolotti et al.

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