ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,194, issued on Feb. 24, was assigned to AIRBUS OPERATIONS Ltd. (Bristol, Great Britain).
"Washer device" was invented by William Tulloch (Bristol, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A washer device is disclosed including two annular components each having a main face arranged to contact the main face of the other component. Each main face has surface regions of different levels along an axis of the component, such as a step and/or a helical ramp. Relative rotation of one component with respect to the other about their common axis alters the effective thickness of the washer device. The washer device 1 further includes at le...