ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,162, issued on March 17, was assigned to GUAY GUAY TRADING Co. LTD. (Changhua County, Taiwan).
"Adjusting device of toy gun" was invented by Yin-Hsi Liao (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjusting device of a toy gun includes a contacting element, a down-pressing controlling member, an adjusting wheel, a guide groove, a driving portion, a mating portion, an adjusting screw, a positioning block, a number of positioning facets, and an elastic positioning member. The adjusting screw drives the adjusting wheel to rotate by means of the mating portion to make the guide groove of the adjusting wheel towing the dr...