Patent ID: 6082347
Filing Date: 2000-07-04
Classification: F41B,Y10S

Abstract:
A single-cam compound bow that comprises:a bow handle having projecting limbs,a control wheel rotatably mounted on an end of one of said limbs remote from said handle, said control wheel having a control groove and a first bow string take-up groove,a power cam rotatably mounted on an end of the other of said limbs remote from said handle, said power cam including a second bow string take-up groove and a power cable groove,bow cable means including a power cable segment anchored at one end to said one limb and at a second end to said power cam at a position to wrap into and unwrap from said power cable groove, a bow string cable segment anchored at said control wheel and said power cam at positions to wrap into and unwrap from said first and second bow string take-up grooves respectively, said bow string cable segment having a nock point disposed between said limbs ends, and a control cable segment anchored at said control wheel at a position to wrap into and unwrap from said control groove and anchored at said power cam,such that draw of said bow string cable segment away from said handle unwraps said bow string cable segment from said control wheel and said power cam, wraps said power cable segment into said power cable groove so as to draw said limb ends together, and wraps said control cable segment into said control groove on said control wheel, andmeans for adjusting effective length of said bow string cable segment, and thereby adjusting travel of said nock point, comprising timing marks on said control wheel and said power cam, means on said control wheel for adjusting length of said control cable segment until said timing marks on said control wheel register with one of said control cable segment and said bow string cable segment, and means on said power cam for adjusting length of said power cable segment until said timing marks on said power cam register with said power cable segment.