Patent ID: 8521066
Filing Date: 2013-08-27
Classification: G03G,Y10T

Abstract:
1. An automatic document transportation device comprising: a main body portion; a rotation frame arranged to be supported at the main body portion to be rotatable from a usage position to an exposed position on an upper side to open one portion of a document transportation path; a gear portion having a wheel shape and arranged on a rotation axis line of the rotation frame to integrally rotate with the rotation frame; a resistance gear arranged to mesh with the gear portion; a brake portion arranged to apply a resistance to the resistance gear when the rotation frame rotates from the exposed position to the usage position on a lower side; and an outer cover attached to the main body portion to cover at least one portion of the gear portion; wherein the outer cover includes a contacting portion arranged to regulate movement of the gear portion in a direction of movement away from the resistance gear; and the rotation frame includes a transportation roller arranged so that an axis line coincides with a center of rotation of the gear portion.