ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,446, issued on Dec. 9.
"Device for simulating shooting recoil force and toy tank" was invented by Zhijiao Rao (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for simulating shooting recoil force includes a main body, a cannon barrel, an elastic restoration device, and a driving device. An installation chamber is defined in the main body. An installation blocking plate is provided inside the installation chamber. The cannon barrel is movably arranged within the installation chamber. The cannon barrel includes a hollow cannon rod and a push rod. The push rod is positioned within the cannon rod. The push rod is slidable within ...