ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,794, issued on May 20, was assigned to Vermeer Manufacturing Co. (Pella, Iowa).
"Rake wheels for gathering crop material" was invented by Lisle J. Dunham (Grinnell, Iowa), Ty Hartwick (Pella, Iowa) and Xiaohang Wang (Pella, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "Rake wheels for raking apparatus for gathering crop material into a windrow. The rake wheel includes a center hub and disks for securing and limiting circumferential and axial movement of the tines of the rake wheel. The rake wheel may include a set of fasteners for securing the tines to the disk with the set of fasteners being disposed radially outward of the center hub."
The ...