US Patent Issued to RICOH on June 2 for "Drive unit, liquid discharge head, and liquid discharge apparatus" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,322, issued on June 2, was assigned to RICOH COMPANY LTD. (Tokyo).

"Drive unit, liquid discharge head, and liquid discharge apparatus" was invented by Keitaroh Sakai (Kanagawa, Japan) and Ryo Honda (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver unit includes a driver contractible and expandable in a longitudinal direction of the driver, and a holder contractible and expandable in a longitudinal direction of the holder, the holder configured to apply pressure to the driver, wherein the holder includes a driver housing holding the driver, and a contact member attached to an end portion of the holder and contacting an end porti...