Patent ID: 9091515
Filing Date: 2015-07-28
Classification: F42B

Abstract:
1. An arrowhead comprising: a penetrating tip including a sharpened upper end; a main body comprising a body portion and a protruding portion, the body portion including a hollow portion therein and one or more expanding blade guide grooves formed on an outer surface thereof, the protruding portion formed on an upper end of the body portion to be coupled with the penetrating tip, one or more pressure plate blade guide grooves formed on an outer surfaces of the body portion and the protruding portion; a pressure plate blade equipped to the protruding portion, the pressure plate blade being movable in a longitudinal direction of the main body along the pressure plate blade guide grooves at a lower side of the penetrating tip; a cylinder being pressed by the pressure plate blade so as to be movable in a longitudinal direction of the main body in the hollow portion; and an expanding blade being rotated and expanded from a lower side of the body portion to an upper side thereof according to a movement of the cylinder.