ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,908, issued on Feb. 24, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Drive system with a tandem drive assembly" was invented by Richard Lee Leathers (Decatur, Ill.) and Ethan Michael Tevis (Bloomington, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tandem drive assembly includes a tandem housing, a first drive sprocket and a second drive sprocket arranged in the tandem housing and configured to engage a pair of wheels, and a continuously-variable drive. The continuously-variable drive is arranged in the tandem housing. The continuously-variable drive includes an input configured to receive power from a prime mover and an output coupled ...