Patent ID: 8708851
Filing Date: 2014-04-29
Classification: F16G

Abstract:
1. A power transmission chain comprising: a plurality of links which are aligned in a chain advancing direction and a plurality of connecting members which extend in a chain widthwise direction which is at right angles to the chain advancing direction so as to connect the links together, wherein the connecting member includes first and second power transmission members which have facing portions which face each other, the facing portions rollingly and slidably contact each other at a contact portion A which is displaced in association with a change in a turning angle between the links, a flat portion is provided on a back surface of the first power transmission member which lies opposite to the facing portion, the flat portion is inclined along an inclination direction which is inclined relative to the chain advancing direction when a chain straight-line area is seen from the chain widthwise direction, a point of intersection P a point of intersection P the following expression is satisfied when a distance between the point of intersection P wherein the first power transmission member includes the curved corner portion and a curved connecting portion which connects the flat portion and the corner portion together, the connecting portion has a portion which connects to the flat portion and a portion which connects to the corner portion, and the radius curvature R