ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,660, issued on March 17, was assigned to Hand Held Products Inc. (Charlotte, N.C.).
"Ribbon take-up hub for a printer" was invented by Wenwei Zhang (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ribbon take-up hub for a printer is disclosed. The ribbon take-up hub comprises a centre hub configured to be coupled to a rotatable component of the printer. The centre hub comprising a button. Further, one or more arc shaped blocks are positioned in proximity to the centre hub, and a plurality of tension holders are attached to the centre hub. Further, upon pressing of the button, the plurality of tension holders retracts inside the centre hu...