Patent ID: 6834854
Filing Date: 2004-12-28
Classification: B65H

Abstract:
A sheet automatic supply apparatus for supplying sheets to an image forming apparatus having sheet aligning means for aligning the sheets at a predetermined sheet transport reference in a sheet transport direction, comprising:sheet storage means for stacking and storing the sheets; sheet pick-up means for drawing the sheets from the sheet storage means; separating means having a supply roller for supplying the sheets drawn from the sheet pick-up means and separating members pressing the supply roller; a pair of resister rollers for supplying the sheets to the sheet aligning means after resister correction to align a sheet supply direction of the sheets separated and supplied by the separating means; frame means for supporting each of the means; first press separating means for the supply roller and the separating members to be in one of a sheet nipping state and a sheet released state; and second press separating means for the pair of the resister rollers to be in one of a sheet nipping state and a sheet released state.