Patent ID: 7600935
Filing Date: 2009-10-13
Classification: B41J

Abstract:
1. An image forming apparatus comprising: an arm that supports a cover, the cover opening and closing with respect to the image forming apparatus; a first spring that has feet at both ends thereof; a resist roller that corrects an edge position of a recording media for forming an image on the recording media; a first gear that receives rotation from a driving motor; a second gear that is provided on the same axis as an axis of the first gear, the second gear transmitting the rotation to the resist roller by the rotation of the first gear; a third gear that includes a ratchet gear provided on the same axis as the axis of the first gear; a planetary gear that rotates while engaging with the first and second gears; and a lever that has a boss and a pawl, the boss engaging one end foot of the first spring, the pawl engaging the ratchet gear to link the first and second gears; wherein when the cover is opened, the arm presses the other end foot of the first spring, the first spring rotates, the one end foot of the first spring presses the boss of the lever to rotate the lever, and the pawl of the lever detaches from the ratchet gear to rotate the second gear independently from the first gear, the transmission of the rotation from the second gear to the resist roller being disconnected.