ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,048, issued on June 30, was assigned to DURQ MACHINERY CORP. (Taichung City, Taiwan).
"Lift detection mechanism of mowing robot" was invented by Yu-Chia Huang (Taichung City, Taiwan) and Fu-Peng Chou (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lift detection mechanism of a mowing robot includes a wheel set, a movable member, a transmitter, and a receiver. The wheel set has an axle rotatably and movably penetrated into a fixed seat, a wheel connected to the axle and located outside of the fixed seat, and a fixing member disposed to the axle and located in the fixed seat. The movable member is disposed to the axle and locat...