Patent ID: 8690719

Claim:
A push-type driving belt, comprising: a plurality of plate elements, in which a recess opening toward a diametrically outer circumferential side of the belt is formed in a width center thereof; and a flat ring, which is formed of single layer in itsa thickness direction using elastic material, and which is fitted into the recess of the element to fasten the elements juxtaposed in a circular manner; an inclined face, which is formed on each opposing side face of athe flat ring symmetrically across a width center plane of the belt, wherein the inclined faces are inclined so that a distance between the opposing side faces increases in a direction from an outer circumferential side toward an inner circumferential side of the ring; and a contact face formed on each inner wall of a width end of the recess, the contact face having an inclination identical to that of the inclined face of the ring and having an area smaller than an area of the inclined face of the ring.