US Patent No. 10,558,164


Patent No. 10,558,164
Issue Date February 11, 2020
Title Image Forming Apparatus
Inventorship Shougo Sato, Seto (JP)
Assignee Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken (JP)

Claim of US Patent No. 10,558,164

1. An image forming apparatus comprising:a plurality of process cartridges, each of which is configured to be detachably attached to the image forming apparatus and includes a photosensitive drum extending in a first direction, a sidewall supporting the photosensitive drum, and an urging member, the urging member being disposed on the sidewall, the plurality of process cartridges being arranged in a second direction perpendicular to the first direction; and
a body casing including a positioning member and an urged portion, the positioning member having a plate shape which is formed of metal and extends in a third direction perpendicular to the first direction, the positioning member having recess portions, each recess portion being configured to receive an end portion, in the first direction, of a respective process cartridge, the urged portion being configured to be urged vertically by the urging member,
wherein when the process cartridge is attached to the image forming apparatus, the urged portion is configured to contact the urging member to allow the positioning member to position the photosensitive drum.