US Patent Issued to Ricoh on July 14 for "Drum conveyance mechanism and image forming apparatus" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,119, issued on July 14, was assigned to Ricoh Co. Ltd. (Tokyo).

"Drum conveyance mechanism and image forming apparatus" was invented by Shu Umehara (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drum conveyance mechanism includes a drum, a drive motor to rotate the drum to convey a sheet medium along an outer circumferential surface of the drum, a first power supply to supply an operating voltage to the drive motor, a driven roller to rotate as the drum rotates, a rotation brake to prevent rotation of the driven roller, a second power supply to supply an operating voltage to the rotation brake, and a power supply switch to switch ...