[ Challenge ] enclosed is allowed to shorten the working stroke of the trap of spring , to provide a performance improvement of trap enclosed . The apparatus includes a wire 1 having a ring 11 formed by securing a predetermined size at one end , a pipe 2 for inserting the other end of the wire 1 , one end connected to the ring 11 side , connecting the other end I includes a pull spring 3 provided with a hook on the parts, one of which is connected to the hook of the connecting portion , the drawstring 4 the other is inserted into the pipe 2 . [ Selection Figure ] Figure 1【課題】くくり罠のバネの作動ストロークを短縮させ、くくり罠の性能向上を提供する。【解決手段】一端に所定の大きさに固定して成る環11を有するワイヤー1と、ワイヤー1の他端側を挿通するパイプ2と、環11側に一端が連結され、他端側の連結部に鉤を設けた引きバネ3と、連結部の鉤に一方が連結され、他方がパイプ2に挿通された引き紐4を備える。【選択図】図1
