ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,552, issued on Dec. 2, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus and cartridge" was invented by Kenji Matsuda (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cartridge includes: a second conveyance roller that forms a nip with a first conveyance roller; a storage portion that stores foreign matter; and a contact member that comes into contact with the second conveyance roller for restricting leakage of the foreign matter. An apparatus main body includes a biasing member that biases the second conveyance roller toward the first conveyance roller. The second conveyance roller is at a first position at which the nip ...