Patent ID: 8911311

Claim:
An expandable arrowhead comprising: a blade-carrying body including a slot and a sidewall at least partially forming a rear end of said slot, a blade having an impact portion and a cutting portion, at least a portion of said blade movably mounted within said slot, said impact portion and said cutting portion on opposite sides of said slot, said blade having an opening, a shaft mounted within said opening, said blade pivoting about said shaft, and said shaft movably mounted within said a second slot, said blade having a protruding portion engaging, by a frictional fit and/or an interference fit, with said sidewall of the body when said blade is in a retracted position, the protruding portion of said blade releasably holding said blade in said retracted position during a launch force generated when launching said expandable arrowhead and releasing from said sidewall upon outward rotation when an impact force is applied to said blade.