Method of feeding sheets using a controlled suction pad movement

Details Method of feeding sheets using a controlled suction pad movement Method of feeding sheets using a controlled suction pad movement

1991-05-03

1993-01-19

Valenza, Joseph E.

Sheet feeding or delivering

Feeding

Separators

271 11, 271104, 271265, B65H 308

Patent

active

051801566

ABSTRACT:
Disclosed herein is a method of feeding sheets. The sheets such as photographic photosensitive films are fed one by one by a suction pad in an image recording apparatus. The suction pad is displaced at a higher speed toward a stack of sheets, and then the speed of the suction pad is reduced to cause the suction pad to approach the stacked sheets ata lower speed. It is thereafter detected whether or not an uppermost one of the stacked sheets is attracted by the suction pad. Further, the suction pad is stopped from being moved toward the stacked sheets immediately upon detecting that the suction pad has attracted the uppermost sheet, and is also displaced away from the stacked sheets until the suction pad reaches a desired position.

REFERENCES:
patent: 3837638 (1974-09-01), Anderson et al.
patent: 4382593 (1983-05-01), Beran et al.
patent: 4518159 (1985-05-01), Nishibori et al.
patent: 4936566 (1990-06-01), Hiramatsu

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