| 摘要 |
An expanding, exposed-blade arrow head and a method of its operation. In a preferred embodiment, the arrow head comprises: a ferrule comprising three blade holders and having a longitudinal cavity having a bottom; a tip comprising a piston that is slidably mounted in said longitudinal cavity, said tip having a front end having three slots; three blades, each of said blades having a forward end that is pivotably mounted in one of said slots and a body having a cutting edge, each said body being slidably mounted in one of said blade holders; wherein the sliding of said piston in said longitudinal cavity toward said bottom causes said cutting edges to move outward.
|
