ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,583, issued on Nov. 3, was assigned to CANON K.K. (Tokyo).
"Sheet stacking apparatus and image forming apparatus" was invented by Tomoki Nakano (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet stacking apparatus includes a conveyance path through which a sheet is to be conveyed, a guide which forms a part of the conveyance path and is openable and closeable with respect to the conveyance path, a lock member configured to lock the guide to maintain the guide in a closed state in which the guide is closed with respect to the conveyance path, and a trolley. In a case in which the trolley is placed at a predetermined position in the s...