Patent ID: 7991320
Filing Date: 2011-08-02
Classification: B41J,G03G

Abstract:
1. An image forming device comprising: a first chassis including a first protrusion and a second protrusion that are arranged to protrude substantially parallel to each other, an integral arm extending from the second protrusion in a direction at substantially 90 degrees with respect to a protruding direction of the second protrusion, and a control protrusion integrally arranged on the arm such that the control protrusion protrudes in a thickness direction of the arm and is disposed substantially entirely on a main surface of the arm extending in a direction substantially perpendicular to the thickness direction of the arm; and a second chassis including a recessed portion in which the first protrusion, the second protrusion, and the arm can be inserted, the recessed portion having a control surface provided to control movement of the first protrusion and the second protrusion inserted into the recessed portion except for the movement in an inserting direction, and a latching protrusion arranged to make contact with the control protrusion of the arm inserted into the recessed portion; wherein a protruding amount of the control protrusion gradually increases from a front side of the arm in a direction in which the arm is inserted into the recessed portion.