ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,566, issued on Sept. 2, was assigned to CANON K.K. (Tokyo).

"Electrophotographic image forming apparatus, cartridge and drum unit" was invented by Masanari Morioka (Kanagawa, Japan), Takeo Kawanami (Kanagawa, Japan) and Yu Fukasawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "[Problem to be solved] To further develop conventional technique.[Solution] a cartridge includes a casing, a photosensitive drum and a coupling. the coupling includes a driving force receiving portion for receiving a driving force by engagement with a driving force application member, a braking force receiving portion for receiving in braking force by engagement with a...