IMAGE FORMING APPARATUS

摘要

An image forming apparatus includes a belt unit capable of being inserted into and pulled out of the apparatus, the belt unit including a movable endless belt, a supporting frame supporting the endless belt and having an accommodating portion, a grip member which is provided on the supporting frame at a position outside the belt in a widthwise direction of the belt crossing with a moving direction of the belt and which is movable between a first position in which the grip member is projected out of the accommodating portion in a direction crossing with the widthwise direction and a second position in which the grip member is accommodated in the accommodating portion, and an urging member configured to urge the grip member in a direction from the second position toward the first position.

主权项

1. An image forming apparatus comprising:
a main assembly; a belt unit capable of being inserted into and pulled out of said main assembly, said belt unit including a movable endless belt, a supporting frame supporting said endless belt and having an accommodating portion, a grip member which is provided on said supporting frame at a position outside said belt in a widthwise direction of said belt crossing with a moving direction of said belt and which is movable between a first position in which said grip member is projected out of said accommodating portion in a direction crossing with the widthwise direction and a second position in which said grip member is accommodated in said accommodating portion, and an urging member configured to urge said grip member in a direction from the second position toward the first position; an image forming unit provided in said main assembly configured to form an image on said belt; a guiding rail provided in said main assembly and configured to guide said belt unit when said belt unit is inserted into said main assembly; and a contact member provided in said main assembly and configured to be contacted by said grip member to move said grip member from the first position to the second position in midstream of the insertion of said belt unit into said main assembly while being guided by said guiding rail and configured to be disengaged from said grip member to permit said grip member to move from the second position to the first position by an urging force of said urging member in the midstream of the pulling-out of said belt unit while being guided by said guiding rail.