ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,399, issued on Nov. 11, was assigned to SILITEK ELECTRONICS (DONGGUAN) Co. LTD (Dongguan, China).

"Key structure and lifting mechanism thereof" was invented by Meng Li (Dongguan, China) and Liang-Hua Zhang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a lifting mechanism. The lifting mechanism includes a first pivot element and a second pivot element. The first pivot element has a pivot hole and includes a first pivot portion. The pivot shaft is pivoted to the pivot hole, and the first pivot portion and the second pivot portion are configured to be pivoted to the same slide groove."

The patent was filed on ...