US Patent Issued to Life Fitness on March 17 for "Exercise machines, crankshaft assemblies for exercise machines, and methods of disassembling exercise machines having crank arms" (Illinois Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,304, issued on March 17, was assigned to Life Fitness LLC (Rosemont, Ill.).

"Exercise machines, crankshaft assemblies for exercise machines, and methods of disassembling exercise machines having crank arms" was invented by Byron T. DeKnock (Des Plaines, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exercise machine has a crankshaft having a crankshaft mounting surface, a landing surface, and a crankshaft bore, a crank arm having a threaded crank arm bore and a crank arm mounting surface that is frictionally engaged with the crankshaft mounting surface, and a fastener that axially extends through the threaded crank arm bore and into engagem...