US Patent Issued to Shenzhen Shili Information Technology on Jan. 20 for "Rotatable and retractable structure for power plug" (Chinese Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,362, issued on Jan. 20, was assigned to Shenzhen Shili Information Technology Co. LTD. (Shenzhen, China).

"Rotatable and retractable structure for power plug" was invented by Xueyong Ruan (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a rotatable and retractable structure for power plug, including a lower housing, an upper housing, and pins, where the lower housing is fixedly connected with a lower cylinder, which has spiral grooves on inner wall of the lower cylinder; an upper cylinder is fixedly connected inside the upper housing, and the first limit bar is fixedly connected to the side wall of the lower cylinder, the...