ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,510, issued on June 10, was assigned to LOCTEK ERGONOMIC TECHNOLOGY CORP. (Ningbo, China).
"Ceiling storage rack" was invented by Lehong Xiang (Zhejiang, China), Tongwang Shao (Zhejiang, China) and He Wang (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ceiling storage rack comprises a rotary shaft, a drive mechanism driving the rotation of the rotary shaft, two pulleys, a placement platform, a first wire group and a second wire group. The rotary shaft is rotatably connected at a side of a ceiling fixing assembly. Two winding portions rotating in synchronization with the rotary shaft are disposed at both sides of the rotary shaft: ...