ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,299, issued on March 3, was assigned to Xiamen Beewill Sanitary Co. Ltd. (Xiamen, China).
"Toilet rotating shaft connection structure" was invented by Yonglong Lv (Xiamen, China) and Shisong Ren (Xiamen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a toilet rotating shaft connection structure, including: an insertion shaft and a hinge, wherein the insertion shaft is mounted on a movement cover, and the insertion shaft is provided with at least one first electrical conductor; and the hinge is provided with a shaft sleeve and a first rotating shaft, wherein the first rotating shaft is provided with at least one s...