Composite bow arm structure

Abstract

This invention discloses a bow arm structure for a composite bow, comprising multiple bow arms mounted at predetermined angles on both sides of a bow arm base, and equipped with multiple rotating components symmetrically connected for winding the bowstring. Each bow arm has a specific length and width, a sheet-like shape, and a joint section and a free section at both ends in the extending direction. The key feature is that the distance between the joint section and the pivot of the rotating component is defined as the stress length, and the width of each bow arm is between 26% and 30% of the stress length. This design allows the bow arms to have a larger surface area compared to traditional bow arms, while extending their service life.

Images