ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,545, issued on May 20, was assigned to NINGBO WENTAI SPORT EQUIPMENT Co. LTD. (Zhejiang, China).
"Electric golf trolley" was invented by Sheng Zhang (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric golf trolley Includes an electric actuator includes a motor controller, two planetary gear reduction motors connected to the motor controller and mounted on two rear wheel modules in a one-to-one correspondence manner, and a power supply connected to the motor controller. A connecting-rod link mechanism is disposed between an upper frame module, a lower frame module and the two rear wheel modules. When folded towards the lower f...