Patent ID: 8082910

Claim:
A compound archery bow, comprising: a central handle portion; a first flexible bow limb and a second flexible bow limb, the first and second bow limbs being mounted on the handle and projecting oppositely and substantially symmetrically from the handle; a first set of multiple power cable pulleys, each having a power cable journal; a first draw cable pulley (i) rotatably mounted on the first bow limb, (ii) having a draw cable journal, and (iii) having mounted thereon one of the power cable pulleys of the first set, a first pulley assembly comprising the first draw cable pulley and the power cable pulley mounted thereon; a second pulley assembly rotatably mounted on the second bow limb and including at least one draw cable journal; a draw cable (i) received in the draw cable journal of the first draw cable pulley, and (ii) received in the draw cable journal of the second pulley assembly; and a first power cable (i) arranged to be received in the power cable journal of the power cable pulley of the first set that is mounted on the first draw cable pulley and (ii) coupled to the second bow limb, wherein: the first draw cable pulley is arranged so as to have interchangeably mounted thereon any one of the first set of multiple power cable pulleys; the first draw cable pulley, the power cable pulley mounted on the first draw cable pulley, the second pulley assembly, the draw cable, and the power cable are arranged so that pulling the draw cable to draw the bow results in: (i) rotation of the first draw cable pulley and the second pulley assembly, (ii) the draw cable being let out from the first draw cable pulley and the second pulley assembly, and (iii) the first power cable being taken up by the power cable pulley mounted on the first draw cable pulley; at least one power cable pulley of the first set is arranged so as to result in substantially negligible let-off of draw force of the bow; and at least one other power cable pulley of the first set is arranged so as to result in substantial let-off of the draw force of the bow at a corresponding draw length.