ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,897, issued on Aug. 5.
"Braking apparatus for hand trucks" was invented by Thomas Duffy (Chandler, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A braking apparatus for a hand truck that keeps the hand truck stable while lifting or dropping a load from the hand truck. The braking apparatus includes a lever and clamps for pivotally mounting the lever to an axle of the hand truck, and a recoiling mechanism that allows the lever to switch between a deployed position and a non-interfering position. The operator can press the lever against the floor to prevent the rolling of the hand truck while loading."
The patent was filed on March 28, 2022, un...