Compound archery bow
US8276574B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 2010 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Sep 23, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41B5/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A compound archery bow includes a handle having projecting limbs, and first and second pulleys mounted on the limbs for rotation around respective axes. At least a first of the pulleys includes a flat base with a bowstring let-out groove on the base and a bowstring anchor adjacent to the bowstring let-out groove. A draw module is disposed on the base, a cable groove extends along the draw module, and first and second cable anchors are disposed on the base adjacent to respective ends of the cable groove. The cable groove on the draw module is continuous in a plane perpendicular to the axis of the first pulley. A bow cable arrangement includes a bowstring cable extending from the bowstring anchor on the first pulley around the bowstring let-out groove and then toward the second pulley. A first cable extends from the first anchor on the first pulley through a portion of the cable groove on the module and then toward the second pulley. A second cable extends from the second anchor toward the second pulley. Draw of the bowstring cable away from the bow handle lets out bowstring cable from the bowstring cable groove on the first pulley and rotates the first pulley around its axis, lets o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.