US Patent Issued to THE JAPAN STEEL WORKS on Oct. 14 for "Drive mechanism, injection apparatus, and injection molding machine" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,043, issued on Oct. 14, 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, and a drive mechanism configured to drive the screw. The drive mechanism includes a piston having a hollow piston rod, a connection rod having one end side inserted into the piston rod, the connection rod being rotatable with respect to the piston and movable integrally with the piston in a directio...