Patent ID: 9092002
Filing Date: 2015-07-28
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: a first roller supported by a main body of the image forming apparatus; a second roller configured to contact the first roller directly or via a belt member to form a nip portion nipping a recording material; a door member configured to be opened and closed with respect to the main body, an upper portion of the door member being rotatable around a first rotation axis to outside the main body; a transfer unit disposed in the door member in a state relatively movable with respect to the door member, configured to support the second roller; an urging member provided between the second roller and the transfer unit to urge the second roller toward the first roller when the door member is closed; a first positioning portion provided in the main body for determining a relative positional relationship between a lower portion of the transfer unit and the main body in a state that the door member is closed; a second rotation axis provided in the transfer unit, configured to engage with the first positioning portion to cause the transfer unit to be rotatable around the second rotation axis in the course of closing the door member, and the second rotation axis is located so that the second roller contacts the first roller directly or via the belt member during a rotation of the transfer unit around the second rotation axis, in the course of closing the door member; a lock lever provided in the main body to lock the door member to the main body in a closed state; and a lock lever guide mechanism provided in the door member to move and guide the lock lever in a process of the closing movement of the door member.