{"number":"US12702933B2","kindCode":"B2","documentType":"grant","title":{"original":"Launching device of roller coasters","english":"Launching device of roller coasters"},"abstract":{"original":"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 device is arranged on a frame of the roller coaster. A connection concave portion is provided at a location where the pushing plate and the connecting member are connected.…","english":"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 device is arranged on a frame of the roller coaster. A connection concave portion is provided at a location where the pushing plate and the connecting member are connected.…"},"applicants":["Guangdong Jinma Entertainment Corp.,Ltd"],"inventors":["Wenbiao HE","Yueyong WANG","Pinlun HUANG"],"filingDate":"2023-10-27","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702933B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702933B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702933B2","ja":"https://downloadpatent.com/ja/patent/US12702933B2"}}