ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,429, issued on Jan. 20, was assigned to SUZHOU METABRAIN INTELLIGENT TECHNOLOGY Co. LTD (Jiangsu, China).

"Chassis with chassis lock, and opening/closing method" was invented by Yunlong Li (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a chassis with a chassis lock, and an opening/closing method. The chassis is internally provided with a compartment sliding rail and a pull-out compartment, the pull-out compartment is slidably mounted on the compartment sliding rail, the chassis lock is provided between the compartment sliding rail and the pull-out compartment, a sliding rail through hole is provided ...