ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,143, issued on Oct. 14, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Multi-link front suspension for an underground articulated dump truck" was invented by Steven Denis Springer (Naperville, Ill.), David William Holthaus (Monticello, Ill.) and Ryan P. Morge (Clinton, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A front suspension for a front axle of a tractor of an articulated vehicle may include an upper suspension link having an axle center mounting arm pivotally connected proximate a top side of the front axle at the axial center of the front axle, and first and second frame mounting arms extending rearward and pivotally connected to ...