US12638278 - Fixed blade broadhead with integral facet sharpening guides, including insertable arrow shaft support and central interior cavity

The patent describes a fixed blade broadhead designed for hunting arrows, featuring integral facets that maintain the correct bevel angle for sharpening. This innovative design includes a ferrule and two blades, with a specialized planar surface that facilitates effective sharpening when placed on a support surface.
Claim 1
1 . A broadhead comprising: a ferrule; a first blade coupled to the ferrule, the first blade comprising a first cutting edge; a second blade coupled to the ferrule opposite the first blade, the second blade comprising a second cutting edge; and a facet partially bound by the first cutting edge, the facet comprising a first facet portion formed on the ferrule and a second facet portion formed on the first blade, the first facet portion and the second facet portion together defining a planar surface; wherein the planar surface is configured to contact a support surface while sharpening the first cutting edge. a ferrule; a first blade coupled to the ferrule, the first blade comprising a first cutting edge; a second blade coupled to the ferrule opposite the first blade, the second blade comprising a second cutting edge; and a facet partially bound by the first cutting edge, the facet comprising a first facet portion formed on the ferrule and a second facet portion formed on the first blade, the first facet portion and the second facet portion together defining a planar surface; wherein the planar surface is configured to contact a support surface while sharpening the first cutting edge.
Google Patents
https://patents.google.com/patent/US12638278
USPTO PDF
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12638278