Patent attributes
The present disclosure relates to an arrowhead having expanding blades, the arrowhead including: a main body having a fitting slot longitudinally formed and having two expanding blade coupling portions on an outer surface thereof; a blade assembly having a rear end fitted in the fitting slot of the main body, having leading edges on both sides of the front thereof, having a guide pin seat hole on a plate surface in which a guide pin is seated, and having a guide hole extending from the guide pin seat hole; and expanding blades each having a hinge shaft coupling hole at one end to be coupled to be hinge-rotatable to the expanding blade coupling portion by a hinge shaft, further having a protrusion at the one end, and having a blade at the front, wherein when the blade assembly is moved rearward, the guide pin pushes the protrusions of the expanding blades so that the expanding blades are unfolded.
