ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,480, issued on Jan. 13, was assigned to KOBELCO CONSTRUCTION MACHINERY Co. LTD. (Hiroshima, Japan).
"Upper spreader guide device" was invented by Shingo Kurihara (Hyogo, Japan), Eiji Miya (Hyogo, Japan), Koji Nishijima (Hyogo, Japan) and Takao Eto (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An upper spreader guide device includes a pair of left and right boom-side guide parts each supported by a boom so as to be arranged in a raised attitude of rising diagonally upward from the boom in a state where the boom is arranged in a lowered attitude, and a pair of left and right movable guide parts supported by the pair of boom-side guide p...