ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,820, issued on Aug. 4, was assigned to BANDO CHEMICAL INDUSTRIES LTD. (Hyogo, Japan).
"Toothed belt" was invented by Kazuyuki Tsubakino (Iwade, Japan), Masahiro Shindo (Izumisano, Japan) and Hironori Yamaguchi (Izumisano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toothed belt includes: a belt body having a plurality of tooth portions provided on a belt inner circumference at a constant pitch; and a cord embedded in the belt body so as to have a pitch in a belt width direction, and a peak friction coefficient MuA and an average friction coefficient MuB measured by the following method have a relationship of MuA-MuBless than equal to0.3 an...