US Patent Issued to Yongshuai Zhou on Oct. 21 for "Folding trolley" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,018, issued on Oct. 21, was assigned to Yongshuai Zhou (Yongkang, China).

"Folding trolley" was invented by Yongshuai Zhou (Yongkang, China) and Guosen Zou (Wuyi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a folding trolley, including a front frame assembly, a rear frame assembly, a bottom frame folding and unfolding assembly; side frame folding and unfolding assemblies are arranged on both sides of the bottom frame folding and unfolding assembly; the side frame folding and unfolding assembly includes a scissor rod group, the upper sides of both ends of the scissor rod group are connected to the front frame assembly ...