Patent ID: 6928788

Claim:
A tying machine for tying an article, comprising: a machine body having a recess adapted to receive a portion of the article; a wire reel mounted on said machine body and having a wire wound around said wire reel; an advancing unit mounted on said machine body for advancing said wire toward said recess; a wire bending unit mounted on said machine body and including a hook-like arm which is movable toward said recess so as to bend said wire around the article, or movable away from said recess; a wire cutting unit mounted on said machine body for cutting said wire; a wire twisting unit mounted on said machine body for twisting said wire after said wire is bent; an operating member mounted on said machine body; a drive shaft connected to said operating member so as to be rotated thereby; a link mechanism connected to said rotary shaft; a rack member connected to and driven by said link mechanism; and a transmission unit including a rotary shaft, a single-direction gear sleeved around said rotary shaft for simultaneous rotation therewith, and a cam member mounted on and driven by said rotary shaft, said single-direction gear being engaged with and driven by said rack member, wherein said wire bending unit, said wire cutting unit, and said wire twisting unit are connected to and driven by said cam member.