Machine for forming knotted fence mesh

Abstract

A machine for forming knotted fence mesh has a plurality of side by side knot boxes. Each knot box is for forming a knot at an intersection between a line-wire and a stay-wire. Each of the knot boxes has a first pair of formers configured to move towards the line-wire-stay-wire intersection from a front side forming a knot at the line-wire-stay-wire intersection at each operation of the knot box, and a second pair of formers configured to move towards the line-wire-stay-wire intersection from a rear side at each operation of the knot box. The machine has a cam drive system configured to move a plurality of the first pair of formers and the second pair of formers at each operation of the knot boxes. The cam drive system has a front cam assembly having a front pair of cams associated with the first pair of formers and a rear cam assembly having a rear pair of cams associated with the second pair of formers, wherein each of the cams has a respective profile. The profiles of each of the front pair of cams associated are configured such that during a sector of a rotation of the front pair of cams associated, one of the first pair of formers accelerates while the other of the first pair of formers simultaneously decelerates.

Dependencies are inferred from the claim text.