Back to results
US 8,506,431 B2Granted
Archery broadhead
AssigneeDaniel A. Summers
InventorsKenneth P. Green, Daniel A. Summers
Life of this patent
Estimating the term…
Abstract
A broadhead arrow having a body and at least two removable blades attached to the body. The blades being locked into a place by a lock washer that slides over the rear portion of the body and is secured between the broadhead point and the arrow shaft. Removal of the washer allows for easy removal and replacement of the blades.
Claims18
A broadhead comprising:
- a body comprising an axis, a threaded portion and at least two blade recesses;
- a tip at a first end of said body;
- at least two removable blades comprising a cutting edge having a leading edge and a trailing edge, a blade base and a blade lock with a blade opening, said base being fashioned to fit within said blade recess;
- and
- a lock washer comprising an inner bore sized to slide over said threaded portion and said blade base positioned in said blade recess to affix said removable blades to said body, said lock washer being positioned in advance of said trailing edge,
- wherein at least 50% of the removable blade's mass is located behind the blade lock towards said blade opening.
3 more elements
A broadhead assembly comprising:
- a removable blade comprising:
- a cutting edge having a blade angle;
- a base;
- and
- a blade opening beginning at the end of said base and extending to a blade lock,
- wherein at least 50% of the removable blade's mass is located behind the blade lock towards said blade opening.
3 more elements
A method for assembling a broadhead comprising the steps of:
- providing a body having an axis, a threaded portion and a blade recess;
- inserting at least two removable blades comprising a cutting edge, a base and a blade lock with an elongated blade opening, into said blade recess;
- and
- securing a lock washer over said threaded portion and said base positioned in said blade recess to affix said removable blades to said body,
- wherein, once assembled, a portion of the elongated blade opening extends over the body and past the lock washer to provide a clearance that reduces a rearward mass of the blade.
2 more elements
Dependencies are inferred from the claim text.