Patent ID: 6443197
Filing Date: 2002-09-03
Classification: A01G,Y10S,Y10T

Abstract:
A chain for a sawing device, comprising:a first sequence of connecting links, of which at least some are cutting teeth, the front and rear ends of the connecting links being provided with openings for connecting, a second sequence of drive links fitted between two adjacent connecting link sequences, the front and rear ends of the drive links being provided with openings for connecting, wherein the opening at the rear end of the drive link is centered at the opening in the front end of the connecting links, wherein the opening in the front end of the drive link is centered at the opening of the rear end of the connecting links, wherein the opening of the drive link having a diameter greater than the opening of the connecting link, a third sequence of connecting links, of which at least some are cutting teeth, the front and rear ends of the connecting links being provided with openings for connecting, a bush ring fitted between the first and third sequences of connecting links, around a binding pin, and placed in the opening of the drive link, said bush ring having a diameter greater than the openings of the connecting links, and on at least one side of said drive link, a collar is fitted whose diameter is greater than the opening in said drive link, a fourth sequence of drive links fitted between two adjacent connecting link sequences, the front and rear ends of the drive links being provided with openings for connecting, wherein the opening at the rear end of the drive link is centered at the opening in the front end of the connecting links, wherein the opening in the front end of the drive link is centered at the opening of the rear end of the connecting links, wherein the opening of the drive link having a diameter greater than the opening of the connecting link, and a fifth sequence of connecting links, of which at least some are cutting teeth, the front and rear ends of the connecting links being provided with openings for connecting, a bush ring fitted between the third and fifth sequences of connecting links, around the binding pin, and placed in the opening of the drive link, said bush ring having a diameter greater than the openings of the connecting links, and on at least one side of said drive link, a collar is fitted whose diameter is greater than the opening in said drive link, wherein the binding pin extending through the whole width of the chain and being fitted in the openings.