ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,236, issued on July 7.
"Treadmill with upward/downward inclination angle adjustment structure" was invented by Tsung-Chou Lin (Tainan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A treadmill with an upward/downward inclination angle adjustment structure includes: a base with a pivotal connection point provided above the base; a frame with a front connecting end, an opposite rear connecting end, and a pivotal connection end between the front and rear connecting ends, wherein the frame is pivotally connected to the pivotal connection point through the pivotal connection end and is thus provided on the base; and a chain and a motor for dr...