US Patent Issued to Zhongshan Donati on Sept. 30 for "Chair with adjustable back depth" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,714, issued on Sept. 30, was assigned to Zhongshan Donati Co. Ltd (Zhongshan, China).

"Chair with adjustable back depth" was invented by Xijian Li (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chair with an adjustable back depth includes a chassis, a seat plate, a back plate, a hinge seat, a pneumatic rod, a trigger piece, a drive piece, a support seat frame, rocking bars. The hinge seat includes a hinge cavity and a rod channel. The hinge seat is arranged in the accommodating cavity. An inner side of a lower end is hinged to a rear hinge hole of the support plate. A lower hinge plate of the rocking bar is hinged to a front hin...