ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,933, issued on Aug. 11, was assigned to Guangdong Jinma Entertainment Corp. Ltd (Zhongshan, China).
"Launching device of roller coasters" was invented by Wenbiao He (Zhongshan, China), Yueyong Wang (Zhongshan, China) and Pinlun Huang (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A launching device of a roller coaster, which includes a connecting member. The connecting member is provided with an assembly groove, and two sidewalls of the assembly groove are each provided with a fixing plate. The fixing plate is provided with a magnetic plate assembly. A bottom of the connecting member is connected to a pushing plate. The launching d...