ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,150, issued on Nov. 4, was assigned to Yu-Tzu Liu (Taichung, Taiwan).
"Sawing device allowing saw blade to be retracted" was invented by Shih-Hui Lien (Taichung, Taiwan), Yi-Li Cheng (Taichung, Taiwan) and Chieh-Yuan Tsai (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A biaxial type sawing device includes a base, a worktable, a sawing unit, and a braking block. The worktable is disposed on the base for supporting a workpiece. The sawing unit has saw arm provided with a bottom end thereof pivoted to the worktable through a first shaft, a saw blade box pivoted to the top end of the saw arm through a second shaft, a motor assembled wit...