ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,856, issued on Aug. 26, was assigned to ZHEJIANG KC MECHANICAL & ELECTRICAL Co. LTD. (Yongkang, China).
"Zero-steering hydraulic drive axle" was invented by Haoyu Ying (Yongkang, China), Xiaowei Sun (Yongkang, China) and Yisheng Lu (Yongkang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a zero-steering hydraulic drive axle, which includes: a housing, and the housing is internally provided with a first drive assembly. One end of the first drive assembly is connected to an external power input device for power input, and the other end of the first drive assembly is connected to an external rotation output device....