ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,147, issued on April 7.
"Web guides with selectively protruding fins" was invented by Heather Hender (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Web guides including a roller, a control surface assembly, and a fin actuator. The roller is configured to mount to a drive shaft. The roller includes a tube wall. The tube wall defines an interior space, an exterior surface, and slots. The slots are circumferentially spaced around the tube wall. The slots pass through the tube wall from the interior space to the exterior surface. The control surface assembly is disposed within the interior space. The control surface assembly includes fin...