US Patent Issued to VOLVO TRUCK on July 15 for "Self-powered single axle dolly vehicle unit with auto-coupling ability" (Swedish, American Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,576, issued on July 15, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).

"Self-powered single axle dolly vehicle unit with auto-coupling ability" was invented by Ulf Stenbratt (Vallda, Sweden), Leo Laine (Harryda, Sweden) and Joao Mendonca (Greensboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A single axle dolly vehicle unit for a heavy duty vehicle combination, the dolly vehicle unit comprising an electrical energy source arranged to power at least one electric machine configured to drive left and right wheels of the single axle, the dolly vehicle unit further comprising a drawbar and a fifth wheel connection for mating with first...