ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,068, issued on May 13, was assigned to SSM Scharer Schweiter Mettler AG (Wadenswil, Switzerland).
"Winding device" was invented by Alexander Hirtl (Reichenburg, Switzerland) and Roman Philipp (Aadorf, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A winding device for winding a thread onto a bobbin tube to form a bobbin includes a machine frame, a controller, and a support roller rotatably mounted in the machine frame to support the bobbin tube or the bobbin. A winding mandrel holds the bobbin tube and is pivotally held on a pivot lever that is rotatably mounted on a rotary axis in the machine frame. The pivot lever includes a first and ...