Patent ID: 8205607

Claim:
A compound archery bow that includes: a bow handle having projecting limbs, a first pulley mounted on a first of said limbs for rotation around a first axis, a second pulley mounted on a second of said limbs for rotation around a second axis, at least said first pulley including a flat base, a bowstring let-out groove on said base, a bowstring anchor adjacent to said bowstring let-out groove, a cable groove on said base that is substantially continuous in a plane perpendicular to said first axis, a first cable anchor adjacent to one end of said cable groove and a second cable anchor adjacent to a second end of said cable groove, and a bow cable arrangement including a bowstring cable extending from said bowstring anchor through said bowstring let-out groove on said first pulley and then toward said second pulley, a first cable extending from said first anchor through a portion of said cable groove on said module and then toward said second pulley, and a second cable extending from said second anchor toward said second pulley, wherein draw of said bowstring cable away from said handle lets out bowstring cable from said bowstring let-out groove and rotates said first pulley around said first axis, lets out said first cable from said cable groove on said first pulley and takes up said second cable into at least a portion of said cable groove on said first pulley previously occupied by said first cable, characterized in that said first pulley includes a hub surrounding said first axis and a removable draw module having an edge extending from said hub toward said second anchor, said cable groove extending along said edge of said draw module and along said hub between said first and second anchors, said removable draw module including a plurality of said different draw modules individually removably mountable on said base between said hub and said second anchor for providing different draw lengths for said bowstring cable, wherein said second anchor or an intermediate post is adjustably positionable on the cam base to adjust the effective lengths of said first and second cables to maintain pre-stress in the bow limbs and maintain a constant distance between the bow handle and the bowstring with use of different draw modules.