Patent ID: 8068775

Claim:
An image forming apparatus comprising: an image bearing member that is rotatable about a rotation axis; an endless belt that is movable in a moving direction; a transfer member that transfers a toner image on said image bearing member, wherein said transfer member contacts an inside surface of said endless belt and pinches said endless belt in cooperation with said image bearing member, wherein said transfer member includes a contact portion having a contact surface that contacts the inside surface of said endless belt, and a support member that supports the contact portion, wherein the contact portion contacts the inside surface of said endless belt without rotating with respect to said support member while said endless belt moves; and a press member that presses said support member towards said image bearing member, wherein in a longitudinal direction of said support member whose direction is the same as an axial direction of the rotation axis of said image bearing member, a first position at which said press member presses said support member and a second position at which said support member contacts the contact portion to support the contact portion are provided at least inside an area in which said image bearing member bears a toner image in the axial direction of the rotation axis of said image bearing member.