Patent ID: 7051650
Filing Date: 2006-05-30
Classification: B21F,E04G

Abstract:
1. A binding wire twisting apparatus, for a reinforcing bar binding machine including a binding wire feed unit for feeding a binding wire along a loop guide and forming a loop of the binding wire and for twisting the loop of the binding wire, comprising: a shaft including first forks at a front portion thereof; a sleeve including second forks at a front portion thereof; and hooks, formed on front ends of the first forks, and the hooks bent in a forward rotational direction, wherein the shaft and the sleeve are forming a rotary pair, the loop of the binding wire is hung on the hooks and twisted by rotating the shaft and the sleeve in the sleeve in the forward rotational direction, and the binding wire engaged with the hooks is removed, by reversely rotating the shaft in relative to the sleeve after a completion of a twisting operation.