Patent ID: 8689775
Filing Date: 2014-04-08
Classification: F41B

Abstract:
1. A compound bow comprising: a bow handle adapted to be held by a user with his or her hand; a pair of bow blades combined with both ends of the bow handle, at least one bow blade being rotatably combined with the bow handle; a pair of pulleys rotatably combined with respective rear ends of the pair of the bow blades so as to rotate around a rotating axis of each pulley; a bow string formed between the pair of the pulleys and pulled for discharge of an arrow; and a blade rotating unit that rotates the bow blade rotatably combined with the bow handle, in order to adjust or release tension of the bow string by adjusting distance between the pair of the pulleys in the case of controlling the tension of the bow string or disjointing or repairing the bow; the blade rotating unit comprising: a connection member of which the one end is combined with one end of the bow blade, and the other end is combined with one side of the bow handle; and a length control member that controls length of the connection member; the length of the connection member formed between one end of the bow blade and the bow handle is controlled by the length control member.