US Patent Issued to HOKUETSU INDUSTRIES on Sept. 30 for "Method and device for preventing collision of aerial work platform with upward obstacle" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,280, issued on Sept. 30, was assigned to HOKUETSU INDUSTRIES Co. LTD. (Tsubame Niigata, Japan).

"Method and device for preventing collision of aerial work platform with upward obstacle" was invented by Isao Masuda (Tsubame Niigata, Japan) and Toshihiro Chihara (Tsubame Niigata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "During raising of a deck, a floor surface of the deck is irradiated, in a parallel-plane shape, with laser light serving as a planar beam from a prescribed height on one end side of the deck, and a laser-light-passing surface, which is a surface through which the planar beam passes, is produced. The laser-light-passing sur...