Patent ID: 8326204
Filing Date: 2012-12-04
Classification: B65H,G03G,H04N

Abstract:
1. An automatic document feeder, comprising: a transport unit configured to transport a document to a scanning unit along a document transportation path; a cover rotatably disposed on an apparatus main body configured to house therein the transport unit; and a sensing unit disposed along the document transportation path, the sensing unit being configured to sense the position of the document as well as whether the cover is open or closed, wherein the sensing unit comprises a lever configured to move between a first position and a second position along the document transportation path, the lever being in contact with the document passing through the document transportation path when in the first position, the lever not being in contact with the document passing through document transportation path when in the second position; and a member movable in association with the cover, the member being configured to move the lever to select one of the first position and the second position based on whether the cover is open or closed; and a sensor configured to sense the position of the lever, wherein the member of the sensing unit is configured to prevent the lever from moving from the first position to the second position when the cover is open.