Patent ID: 8550447
Filing Date: 2013-10-08
Classification: B65H

Abstract:
1. An automatic document feeder for feeding a paper sheet to a scanning region of a scanning module or a printing region of a printing module, said automatic document feeder comprising: a casing; a document input tray connected with said casing for placing said paper sheet thereon; a document discharge tray disposed on said casing and located under said document input tray, wherein after said paper sheet is transferred through said scanning region or said printing region, said paper sheet is placed on said document discharge tray; a pushing member disposed on said document input tray and located at an end of said document input tray, wherein by pushing said pushing member to allow said pushing member to be swung relative to said document input tray along a trajectory parallel with a top surface of said document input tray, said paper sheet on said document discharge tray is exposed through said document input tray; and an elastic element having two terminals respectively contacted with said document input tray and said pushing member for providing an elastic force to said pushing member, wherein when said pushing member is not pushed, said pushing member is returned to an original position in response to said elastic force.