US Patent 8056548 String vibration suppressor for compound archery bows

A vibration dampening device for use on compound archery bows. A device may be associated with one or more bow limb, with each device disposing a vibration damping bumper in position to shorten the vibrating length of the bow string at brace, compared to the vibrating length of a bow string of a comparable bow lacking the device(s). Certain embodiments couple bowstring vibration at brace with one or more cable. Preferred embodiments include a limb anchor adapted to distribute string-induced loading onto a bow limb at both sides of a string cam.