Patent ID: 8577253
Filing Date: 2013-11-05
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a main body having an opening; an image forming unit disposed in the main body and having an image carrier, the image forming unit being configured to form an image on the image carrier; a belt unit detachably attached in an operation position where the belt unit faces the image forming unit in the main body, the belt unit including: a fixing mechanism configured to fix the belt unit in the operation position; and an engaging portion configured to engage the fixing mechanism and to receive an urging force from the fixing mechanism, such that the belt unit is fixed in the operation position, wherein the engaging portion is disposed between the pivot shaft portion and a midpoint between a rotation axis of the second roller and the pivot shaft portion, wherein the main body further includes a pivot support portion configured to support the pivot shaft portion such that the belt unit pivots around a pivot axis disposed along the pivot shaft portion, and wherein the fixing mechanism is configured to fix the belt unit in the operation position by applying the urging force to the engaging portion when the belt unit pivots around the pivot axis.