Patent ID: 8657709

Claim:
An arrowhead comprising: a body, the body including an internal cavity; a plurality of blades extending outwardly from the body; a sharpened tip extending forwardly from the body, the tip having a center axis, and an aperture formed in the tip that extends outward along the center axis of the tip; a battery housing extending rearwardly from the body, the battery housing including a rearwardly extending threaded portion, the threaded portion including a hole defined longitudinally therethrough, and the threaded portion being sectioned longitudinally into first and second halves with a slot defined between the first and second halves; a battery disposed in the battery housing; and a front laser diode disposed in the internal cavity of the body, the front laser diode arranged so that the laser beam emitted by the diode projects forward from the arrowhead through the aperture in the tip, the laser beam being coaxial with the center axis of the tip.