US Patent Issued to The Boeing on Dec. 16 for "Cartridge mechanism and method for monitoring a clamping force exerted on a structure by a fastener during installation" (Washington Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,987, issued on Dec. 16, was assigned to The Boeing Co. (Arlington, Va.).

"Cartridge mechanism and method for monitoring a clamping force exerted on a structure by a fastener during installation" was invented by Shawn M. Arnett (Auburn, Wash.) and Jeremy W. Sibley (Auburn, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cartridge mechanism for monitoring a clamping force of a temporary fastener includes an inner assembly, an outer assembly, and a displacement indicating system. The inner assembly has an inner cap and an inner spring. The outer assembly has an outer cap and an outer spring. The displacement indicating system indicates an amount...