Patent ID: 7987876
Filing Date: 2011-08-02
Classification: B65B,E04G,Y10S

Abstract:
1. A reinforcing bar binder comprising: a storing chamber provided in a main body of the reinforcing bar binder for mounting a wire reel around which a wire for binding a reinforcing-bar is wound, the wire being twisted for binding the reinforcing bar after it is wound around the reinforcing bar, and the storing chamber being provided with a detecting device; and a control circuit that judges a detection output of the detecting device, the detecting device comprising a first detecting apparatus and a second detecting apparatus; wherein the first detecting apparatus comprising a contact-type sensor which contacts at least one first to-be-detected portion provided on the wire reel to detect an amount of rotation of the wire reel; the second detecting apparatus detects at least one second to-be-detected portion provided on the wire reel passing the second detecting apparatus during the amount of rotation of the wire reel detected by the first detecting apparatus; and the control circuit counts the at least one second to-be-detected portion detected by the second detecting apparatus.