Patent ID: 7993229
Filing Date: 2011-08-09
Classification: F16G,F16H

Abstract:
1. A power transmission chain entrainable between a first pulley possessing conical sheave surfaces and a second pulley possessing conical sheave surfaces, the power transmission chain comprising: a plurality of links each possessing through-holes; a plurality of pins inserted through the through-holes for interconnecting the plurality of links, the power transmission chain transmitting power by way of contact between opposite end faces of each of the pins and the sheave surfaces of the first and second pulleys; and a plurality of strips inserted through the through-holes for interconnecting the plurality of links, each strip contacting one of the plurality of pins in the corresponding through-hole, wherein all the plurality of pins substantially have the same length in the longitudinal direction thereof, and the plurality of pins include plural types of pins having different rigidities in the longitudinal direction thereof, and wherein the plurality of links include plural types of links comprising: a first type of link possessing through-holes configured to receive strips and only pins of the same type having substantially the same rigidities; and a second type of link possessing through-holes configured to receive strips and pins of any of the plurality of pin types having different rigidities.