ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,675, issued on Dec. 23, was assigned to LIANHONG ART Co. LTD. (Taoyuan, Taiwan).
"Tripod-head structure" was invented by Tzu-Yu Lin (Taoyuan, Taiwan), Ching-Jung Lai (Taoyuan, Taiwan) and Yen-Ting Lai (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tripod-head structure includes a first clamping plate, a second clamping plate, a rotating base, a tightening element, and an adjustment component. The first clamping plate includes a first arc-shaped groove, and the second clamping plate includes a second arc-shaped groove. A portion of a slide rail of the rotating base is placed between the first arc-shaped groove and the second arc-sh...