US Patent Issued to PCS Instruments on Dec. 30 for "Traction or friction measurement apparatus and method of calibration" (British Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,431, issued on Dec. 30, was assigned to PCS Instruments Ltd (London).

"Traction or friction measurement apparatus and method of calibration" was invented by Clive Hamer (London) and John Hutchinson (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a traction or friction measuring apparatus and method of calibration. The apparatus comprising a flat disc traction surface; a spherical ball traction surface constructed and arranged to, in use, contact said disc traction surface; a support structure constructed and arranged to support said disc and ball traction surfaces with respect to one another whilst allowing relative r...