| 摘要 |
Provided are: a belt conveyance device capable of setting the tilting center of a steering roller to a predetermined position, and of easily tilting the steering roller along a set predetermined tilting trajectory; and an image forming device. In a belt conveyance device 200: one end of the rotary shaft of a tiltable steering roller 201 that moves an endless belt 106 in the width direction is supported by a first support member 240 that can revolve on a first revolve shaft 254 extending in a first axis line direction which intersects the rotary shaft line of the steering roller 201; and the other end of the rotary shaft of the steering roller 201 is supported by a second support member 265 that can revolve on a second revolve shaft 266 extending in a direction which is substantially parallel with the rotary shaft line of another tension roller and substantially perpendicular to the first axis line. |
