Patent ID: 6769682
Filing Date: 2004-08-03
Classification: B65H,Y10S

Abstract:
A device for reversing direction of motion of a paper sheet, said paper sheet having a front edge and a back edge opposite each other, said device comprising:a passage for guiding said paper sheet in a first direction and a second direction which is opposite said first direction; a first roller for rotating and thereby transporting said paper sheet; a second roller for transporting said paper sheet in said first direction into said passage by contacting said first roller; a third roller, for transporting said paper sheet in said second direction out of said passage by contacting said first roller, said first roller being positioned between said second roller and said third roller; a fourth roller disposed in said passage for allowing said front edge of said paper sheet to pass by when said paper sheet is transported in said first direction by means of said first roller and said second roller and for rotating and thereby transporting said paper sheet in said second direction when said back edge of said paper sheet has been disengaged from said first roller and said second roller; and a guiding member disposed coaxially with said second roller for pressing and guiding said back edge of said paper sheet towards said third roller when said paper sheet has passed between and said back edge has been disengaged from said first roller and said second roller.