ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,413, issued on Oct. 14, was assigned to Cummins Inc. (Columbus, Ind.).
"Zero endplay crankshaft" was invented by Gregory A. Weber (Greensburg, Ind.), Mark G. Luehrmann (Hope, Ind.) and Parker Emory Harwood (Columbus, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A biasing member assembled with a bearing and a crankshaft wherein the bearing is configured to receive the crankshaft. The crankshaft is assembled with an internal combustion engine. The biasing member biases the bearing in an axial direction relative to the crankshaft to reduce an endplay of the crankshaft while the engine is operable in a normal operating condition. The biasing memb...