Patent ID: 7448620
Filing Date: 2008-11-11
Classification: B65H

Abstract:
1. A scanning apparatus, comprising: a lower frame a reading unit disposed in the lower frame to read a document; a driving roller disposed in the upper frame to form a path with the reading unit, to transfer the document along the path so that the reading unit reads the document, and to move between a first position close to the reading unit and a second position away from the reading unit; an upper frame installed to pivot with respect to the lower frame to form a transfer path of the document sheet along the reading unit; a driving gear jointed to the driving roller; a driving motor; and a power transmitting gear installed at the lower frame to move between an engaging position to be directly engaged with the driving gear to transfer a rotating force of the driving motor to the driving roller when the driving roller is disposed in the first position, and a disengaging position to be spaced apart from the driving roller not to transfer the rotating force of the driving motor to the driving when the driving roller is disposed in the second position.