ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,868, issued on Aug. 4.
"Fuel supply device" was invented by Yechao Zeng (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a fuel supply device, comprising a fuel tank, a controller, a base and a fuel nozzle. The controller is connected to the mounting part of the fuel tank through an elastic engagement unit: the elastic engagement unit includes a pre-compressed elastic element and a boss. During installation, pressing the controller causes the boss to retract and snap into the recessed groove, while the elastic element releases radial resilience force to drive the boss to continuously press against the...