Patent ID: 7237774

Claim:
A sheet treating apparatus for delivering a sheet to a treating tray and treating it, and thereafter delivering the treated sheet onto sheet stacking means, said sheet treating apparatus comprising: a trailing edge regulating member for contacting with a trailing edge of the sheet delivered to said treating tray with respect to a delivering direction of the sheet, and regulating the trailing edge of the sheet; and delivering means reciprocally movable between a first position in which it is retracted to an upstream side of said trailing edge regulating member with respect to the sheet delivering direction and a second position in which it protrudes into a stacking area of said treating tray, and adapted to push the trailing edge of the sheet on said treating tray to thereby deliver the treated sheet onto said sheet stacking means, wherein when said delivering means is to be moved from said second position to said first position, said delivering means is adapted to be moved to pass by the sheet delivered to said treating tray, and wherein an upper surface of said delivering means constitutes a guide surface for guiding the sheet delivered to said treating tray.