ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,912, issued on Sept. 23, was assigned to WITTENSTEIN SE (Igersheim, Germany).
"Shaft connection" was invented by Alexander Eck (Kirchheim, Germany) and Nikolai Seitz (Gerchsheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Shaft connection (1) having a first shaft (5) which is rotatable about an axis of rotation (3), a second shaft (7) which is arranged coaxially with the first shaft (5) and which is movable axially relative to the first shaft (5), and at least one spring element pair (9), in each case having a first spring element (11) and a second spring element (13), wherein the first spring element (11) and the second spring element ...