Patent ID: 8444138
Filing Date: 2013-05-21
Classification: B65H

Abstract:
1. A sheet feeding apparatus, comprising: a sheet stacking table to stack sheets; a sheet feeding device to feed the sheets one by one from an uppermost section of the sheets stacked on the sheet stacking table; an assist air blower device to blow an assist air at a lateral side, a front side or a rear side of the sheet fed from the sheet stacking table so as to assist sheet feeding; a detecting device to detect a behavior of the sheet assisted by the assist air; and a control device to set an amount of the assist air used in image forming to be an optimum air amount based on a detected result which is obtained by detecting the behavior of the sheet when the assist air blower device is operated at a predetermined timing while image forming is not carried out; wherein the control device calculates the optimum air amount by adding a predetermined margin to an air amount based on detected information.