ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,188, issued on Dec. 30.
"U-shaped tube engagement structure and method of forming the same" was invented by Kai-Sheng Wang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A U-shaped tube engagement structure contains a fixing sheet, an abutting sheet, a locking bolt, and a screw. After machining the abutting sheet, the abutting sheet is parallelly stacked below the fixing sheet, and a center of a force portion corresponds to an internal threaded section below a defining portion of the locking bolt, the fixing sheet and the abutting sheet are machined so that a first segment and a second segment of the fixing sheet are accurately bent...