ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,346, issued on Jan. 27.
"Jacking tool capable of achieving up-down fine adjustment" was invented by Mingduo Zhao (Yongkang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jacking tool capable of achieving up-down fine adjustment is provided, and belongs to the technical field of jacking tools. The jacking tool includes a fixed portion and a lifting portion; the fixed portion includes a base and a guide rod arranged on the base; the lifting portion is provided with a lifting plate, a climbing mechanism, and an adjustment grip for controlling the climbing mechanism; the adjustment grip is pressed to actuate the climbing mechanism, to control t...