ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,679, issued on Nov. 4, was assigned to Hitachi Energy Ltd (Zurich, Switzerland).
"Shaft system" was invented by Per Krainer (Ludvika, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shaft system for transmitting a torque includes a first component configured to deliver torque from a drive shaft, a first shaft connectable to the first component, and a second shaft connectable to, and axial extendable relative to, the first shaft. The first shaft includes a toothed structure configured to mate with a toothed structure of the first component in a first coupling, and to mate with a toothed structure of the second shaft in a second coupling, such ...