William Allen Arnold - Akron OH, US Chenghsiung Lin - Hudson OH, US Christopher Aldrich Brown - Cazenovia NY, US Torbjorn Stansen Bergstrom - Worcester MA, US Douglas Jeffrey Geiger - Basseterre, IN
International Classification:
G01N 19/02
US Classification:
73 9
Abstract:
A portable device for measuring friction, especially friction between tire treads and road surfaces is disclosed. The portable friction tester is shaped as an equilateral triangle providing three points of contact for samples in the road surface.