Binding machines

摘要

In a binding machine for binding packets of perforated sheets together by means of pronged wire binding elements, the elements being fed as an open pronged binding strip from a toothed wheel to a toothed feed chain along a path, the strip being guided between the wheel and chain by a guide having guide surfaces which converge so that the open prongs of the strip are guided without deformation of the strip between the wheel and chain no matter what size of strip is being fed.