ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,577, issued on Aug. 19.

"Single-shot/repeating switching device of toy gun" was invented by Ho-Sheng Wei (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A single-shot/repeating switching device includes a trigger, a trigger buffer, a release connecting plate, a positioning bar, and a safety blocker. The trigger includes a trigger body, a pushing block and an abutting end. The trigger buffer includes a moving block. The release connecting plate has an activating end and a fastened end. The single-shot/repeating switching button has a repeating opening. In a repeating mode, the trigger body is moved to make the abutting end enter th...