US Patent Issued to BEAUTIFUL WINDOW FASHIONS, TAICANG KINGFU PLASTIC MANUFACTURE on Oct. 21 for "Adjustable resistance tail plug" (Taiwanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,838, issued on Oct. 21, was assigned to BEAUTIFUL WINDOW FASHIONS Co. LTD. (Fuxing Township, Taiwan) and TAICANG KINGFU PLASTIC MANUFACTURE Co. LTD. (Taicang, China).

"Adjustable resistance tail plug" was invented by Szu-Chang Huang (Fusing Township, Changhua County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable resistance tail plug includes a fixed seat, an adjusting wheel, a sleeve, a screw rod unit, an outer casing, a friction wheel and a clutch spring. The friction wheel engages threadably the screw rod unit, and is driven by the sleeve to move relative to the outer casing, so as to adjust a friction force between the outer...