ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,402, issued on Oct. 20, was assigned to QANBA USA LLC (Daly City, Calif.).
"Key travel adjustable switch" was invented by Kai Liu (Daly City, Calif.) and Jeffrey Lyo (Daly City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a key travel adjustable switch, including a microswitch pin, a switch cap connected to the microswitch pin, a switch cap silicone arranged between the switch cap and the microswitch pin, a switch body, and a rotary ring rotatably connected to the switch body and having a plurality of travel adjusting portions of different heights arranged at a lower edge of the rotary ring. The plurality of travel adjusting p...