ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,954, issued on July 28, was assigned to Kubota Corp. (Osaka, Japan).

"Work vehicle" was invented by Yosuke Tsukada (Sakai, Japan) and Tomoyuki Ukai (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "With a shaft and a support attached to each other, a gate is swingable about a horizontal axis between a standing position and an open position and detachable from a floor. A holder is included that is manually operable between (i) a first position, in which the holder prevents the shaft and the support from becoming apart from each other and holds the gate in such a manner that the gate is swingable about the axis, and (ii) a second position, ...