Patent ID: 7684741
Filing Date: 2010-03-23
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image carrier that carries a toner image; and an endless belt that is extended over a plurality of extending rollers, and carries either one of the toner image transferred from the image carrier and a transfer sheet, wherein the endless belt includes each of the extending rollers includes a step portion provided in an end area in an axial direction facing to the rear-side reinforcing member, the step portion having a diameter smaller than a center area in the axial direction, and the front-side reinforcing member has a width wider than a width of the rear-side reinforcing member, wherein joint portions of the front-side reinforcing member and the rear-side reinforcing member and a joint portion where both ends of the guide member in a circumferential direction are disposed to be separated from each other, are shifted in position from each other in the circumferential direction.