ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,741, issued on Jan. 13, was assigned to MacDon Industries Ltd. (Winnipeg, Canada).
"Transport wheel arrangement for a crop harvesting header" was invented by Russell George Lyons (Winnipeg, Canada) and Glen Frank Beamish (Winnipeg, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A header for a crop harvesting machine includes front and rear wheel arrangements that pivot about respective upright axis between a field orientation and a perpendicular transport orientation, while having respective suspensions arrangements movable between different suspended heights. A biasing spring provides lift assist to carry weight of the wheel arrangement duri...