F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 6/08 (2006.01)
Patent
CA 2075522
Abstract of the Disclosure A broadhead has an elongate body with an axial cavity and a plurality of longitudinal slots are spaced radially through the wall of the body and a blade is disposed in each of the longitudinal slots. Each of the blades is pivotally mounted at the end nearest the tip so that they may selectively pivot through the slot from a retracted position or an extended position. Each blade has a cam edge which fits within the slot associated with the blade when the blade is pivoted into the retracted position. A slug is adapted to slide within the longitudinal cavity of the body and engage the cams of the blades when the blades are in the retracted positions and cause the blades to project outwardly as the slug moves forward within the cavity from a starting position adjacent to the shaft end of the body. A hook is also provided on each of the blades and a catch engages the hooks on the blades and retains them in the retracted position when the slug is positioned adjacent to the shaft end of the cavity. In the preferred embodiment, the slug is magnetized and a second magnet polarized to attract the slug is positioned at the end of the cavity adjacent the arrow shaft. The blades are made of a magnetic material such as steel and the body is made of a nonmetallic material such as aluminum.
Gowling Lafleur Henderson Llp
Massey Doug
LandOfFree
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