US Patent Issued to THE JAPAN STEEL WORKS on Jan. 20 for "Drive mechanism, injection apparatus, and injection molding machine" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,238, issued on Jan. 20, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Drive mechanism, injection apparatus, and injection molding machine" was invented by Yutaka Nakagawa (Tokyo), Yusuke Yonehara (Tokyo) and Toshio Toyoshima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection apparatus of one embodiment includes a cylinder, a screw provided inside the cylinder, and a drive mechanism configured to rotate the screw, move the screw forward, and move the screw backward. The drive mechanism includes a piston having a piston rod and a rotating body which is arranged around the piston rod and is driven to rotate around a central axis ...