ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,904, issued on June 10.
"Electric injection device" was invented by Tsai-Ming Lin (Kaohsiung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric injection device at least comprises an outer case, a drive mechanism, a transmission mechanism, a linkage mechanism and a push mechanism. The drive mechanism, the transmission mechanism, the linkage mechanism and the push mechanism are all assembled in the outer case, and the drive mechanism is used to drive the transmission mechanism. The transmission mechanism can transmit power to rotate a push block regularly and drive a brake end of the linkage mechanism continuously. The push mechanism ...