US Patent Issued to BROTHER KOGYO on Jan. 20 for "Drum unit including drum frame to which developing cartridge is attachable, lever configured to contact portion of developing cartridge, and urging member urging lever" (Japanese Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,989, issued on Jan. 20, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Drum unit including drum frame to which developing cartridge is attachable, lever configured to contact portion of developing cartridge, and urging member urging lever" was invented by Keita Shimizu (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drum unit for use with an image forming apparatus includes: a drum frame to which a developing cartridge is attachable; a photosensitive drum positioned at the drum frame; a lever movable relative to the drum frame; and an urging member urging the lever. When the developing cartridge pivotally moves relative to the ...