ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,548, issued on Jan. 27.
"Treadmill having walking board assembly with low friction resistance and high lubrication" was invented by Yu-Lun Tsai (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A treadmill includes a walking board assembly, and a walking belt encircling the walking board assembly. The walking board assembly includes a support plate, a wear-resistant plate mounted on the support plate, and a wax layer mounted on the wear-resistant plate. The wear-resistant plate is made of wear-resistant material with a low friction coefficient. The wear-resistant plate has a bottom face abutting a top face of the support plate. The we...