ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,626, issued on Sept. 15.
"Positioner and guiding device having positioner" was invented by Yu-Chun Liu (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a positioner and a guiding device having a positioner. The positioner has a base, a brake structure, and a front seat. A shaft is provided on the base, and its bottom is coupled to a bearing block. A pivot pivotally passes through the shaft along the diameter of the shaft. The brake structure includes a handle which extends to form two first cams opposite to each other. Two second cams are each axially connected to each first cam, the pivot pivotally passes through ...