ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,242, issued on March 18, was assigned to The Boeing Co. (Arlington, Va.).
"Compliant helicopter rotor pitch link" was invented by Conor Briggi (Philadelphia) and Todd Waaramaa (Chandler, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A helicopter rotor blade control pitch link for transmitting movement of a rotating swashplate to a rotor blade pitch horn includes a spring module. The spring module includes at least one elastic member configured to generate link compliance when a force is transferred through the pitch link from the rotating swashplate to the rotor blade pitch horn. A plurality of such rotor blade control pitch links is used in...