US Patent Issued on March 3 for "Four-wheel pitching machine" (Chinese Inventor)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,775, issued on March 3.

"Four-wheel pitching machine" was invented by Chou-Chien Kuo (Dongguan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A four-wheel pitching machine includes a base and a pitching mechanism. The pitching mechanism includes a frame, a housing, four rotary wheels, four drive units, and a control unit. The housing has a ball outlet, a ball inlet, and a chamber. The four rotary wheels are disposed on an upper side, a lower side, a left side and a right side of the chamber, respectively. A ball passageway is defined among the four rotary wheels. The four rotary wheels are driven by the four drive units, respectively. Th...