Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1989-07-27
1991-06-11
Schacher, Richard A.
Sheet feeding or delivering
Feeding
Separator and conveyor
271110, 271121, 271227, 271242, B65H 306
Patent
active
050226428
ABSTRACT:
A sheet feeding device is provided for taking up and feeding a plurality of sheets one by one by a selectively driven sheet feeding roller from the stack thereof positioned on a sheet feeding base to a register roller and for transporting the sheet to an image developing and processing device at a predetermined timing by the register roller; the feeding device comprising a movable sheet guide member provided between the feeding roller and the register roller which is adapted to be displaced by the curving deformation of a sheet between the feeding roller and the register roller in the direction of the growing of the curving deformation. The feeding device may further comprise a detector for sensing the displacement of the sheet guide member to determine based upon the displacement that a predetermined curvature of a sheet has been reached, and a control for stopping the rotation of the feeding roller in response to the detection by the detector so as to prevent the sheet from deforming excessively.
REFERENCES:
patent: 4025187 (1977-05-01), Taylor et al.
Hasegawa Takanori
Negishi Hideo
Riso Kagaku Corporation
Schacher Richard A,.
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