Sheet feeding or delivering – Feeding – Separators
Patent
1998-07-15
1999-08-10
Milef, Boris
Sheet feeding or delivering
Feeding
Separators
B65H 352
Patent
active
059346655
ABSTRACT:
The present invention relates to a separation mechanism for separating and feeding paper sheet. The respective convex portions and concave portions of the conveying roller and the separating roller are opposed to each other in a state of different-steps so as not to be brought into contact with each other. The conveying roller is rotated in the normal direction which is the same as that of feeding the paper sheet and the separating roller is rotated in the reverse direction to that of feeding the paper sheet. The separation mechanism for the fed paper sheet for separating sheet by sheet a plurality of manuscript document sheets piled on the document sheet tray is formed such that the diameter of the separating roller is made smaller than that of the conveying roller and the frictional coefficient of the separating roller is also made smaller than that of the conveying roller. The conveying roller has gradually increasing pitches P1, P2, and P3 (P1<P2<P3), and the separating roller has gradually increasing pitches P4 and P5 (P4<P5).
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Milef Boris
Ricoh & Company, Ltd.
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