ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,937, issued on March 11, was assigned to GLORY LTD. (Himeji, Japan).
"Sheet storage unit" was invented by Yusaku Tachibana (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet storage that stores a sheet includes: a reel around which a tape is wound; a first drive unit that rotates the reel around a rotation axis; a drum that is connected to the reel via the tape and winds the tape wound around the reel together with the sheet; a second drive unit that rotates the drum around a rotation axis; and a control circuitry that controls at least one of the first drive unit and/or the second drive unit to change tension acting on the tape a...