ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,881, issued on Dec. 9, was assigned to WinGun Technology Co. Ltd. (New Taipei, Taiwan).
"Gas cylinder piercing mechanism for an airgun" was invented by Ho-Sheng Wei (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas cylinder piercing mechanism for an airgun includes a housing, a piercing needle, and a trigger assembly. The housing includes an expansion channel, a gas supply channel, and a receiving space for receiving a cylinder of a compressed gas. The trigger assembly, connected to the housing, drives the piercing needle in the expansion channel to pierce the gas cylinder. The piercing needle includes a head portion having an ...