ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,829, issued on Dec. 23, was assigned to Shenzhen Creality 3D Technology Co. Ltd. (Shenzhen, China).
"3D printer extrusion structure" was invented by Huilin Liu (Shenzhen, China), Jingke Tang (Shenzhen, China), Chun Chen (Shenzhen, China), Danjun Ao (Shenzhen, China) and Dajiang Wu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A 3D printer extrusion structure, comprising: a housing; a motor provided on the housing; an active extrusion gear provided in the housing and connected to the motor; an adjusting support rotatably connected inside the housing; a driven extrusion gear provided at one end of the adjusting support and rotatably ...