Importance

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Abstract

A solid arrow shaft front extension portion or ferrule having a plurality of offset slots parallel to tangents to the shaft for replaceable and interchangeable devices or blades of general triangular or other shape held at their forward end in the slots by an interchangeable screw-in tip and at their rearward end by a deformable collar urged into locking the devices in position by screwing of the rear shank of the shaft extension or arrowhead into the front socket of the arrow shaft. If desired, between the collar and the end of the arrow shaft there may be provided one or more weight washers and/or a resilient locking washer for adjusting the angularity of the blades with respect to the nock at the rear of the arrow shaft.

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First Claim