ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,687, issued on Sept. 23, was assigned to J. C. Bamford Excavators Ltd. (Uttoxeter, Great Britain).
"Coupling device" was invented by Darryl Cottingham (Uttoxeter, Great Britain), Simon J. Ratcliffe (Uttoxeter, Great Britain) and Jamie Thomas Lewis Shenton (Uttoxeter, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coupling device connecting a working implement to a working arm of a working machine. The device has a first coupler body, a second coupler body pivotally mounted to the first coupler body, and a third coupler body rotatably mounted to the second coupler body so as to be rotatable about a second axis. The coupling device in...