May 27, 2025

US12313371 - Archery bow limb construction

In some embodiments, an archery bow limb assembly comprises a first limb, a second limb and a spacer. The spacer contacts the first limb and the second limb. The first limb comprises a limb material. The spacer comprises a spacer material comprising a higher clastic modulus than the limb material. A width of the spacer is less than a width of the first limb.

Assignee: MCP IP, LLC
Inventors: Mathew A. McPherson
Filing date: 2023-02-24

The patent describes an archery bow limb assembly that includes a first limb, a second limb, and a spacer designed to enhance structural integrity by utilizing materials with differing elastic moduli. The spacer’s design features a narrower body portion and a wider flange that contacts the tension surfaces of both limbs, optimizing performance and stability.

Claim 1

An archery bow limb assembly comprising: a first limb, a second limb and a spacer, the first limb comprising a first tension surface, a first compression surface and a first side surface, the second limb comprising a second tension surface, a second compression surface and a second side surface, the spacer contacting the first side surface and the second side surface, the first limb comprising a limb material, the spacer comprising a spacer material comprising a lower elastic modulus than the limb material, a width of the spacer being less than a width of the first limb, the spacer comprising a body portion and a flange, the flange comprising a greater width than the body portion, the flange contacting the first tension surface, the flange contacting the second tension surface. a first limb, a second limb and a spacer, the first limb comprising a first tension surface, a first compression surface and a first side surface, the second limb comprising a second tension surface, a second compression surface and a second side surface, the spacer contacting the first side surface and the second side surface, the first limb comprising a limb material, the spacer comprising a spacer material comprising a lower elastic modulus than the limb material, a width of the spacer being less than a width of the first limb, the spacer comprising a body portion and a flange, the flange comprising a greater width than the body portion, the flange contacting the first tension surface, the flange contacting the second tension surface.

Google Patents

https://patents.google.com/patent/US12313371

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12313371