Patent ID: 9568271
Date: 2017-02-14
CPC Classifications: F41B

Claim:
1. An archery bow having a centrally positioned hand grip and an upper limb and a lower limb attached at their outer ends to a bowstring, the bow having a trolley arm mounted to its upper limb for lofting an arrow shot from the bow in a trajectory above a line of sight along the arrow to a target, the trolley arm comprising: (a) a single arm on the bow, said single arm being pivotally connected at a pivot axis to only the upper limb at a position spaced from the upper end of the limb and rotatable to extend aft of the limb and beyond the bowstring with the bowstring in its relaxed state; (b) a pulley having a pulley axle rotatably mounting the pulley to the arm aft of the bowstring, the pulley having an outer peripheral surface of the pulley in engagement against the aft side of the bowstring with the bowstring drawn and the outer peripheral surface of the pulley spaced aft of the bowstring where the bowstring does not apply a force against the pulley with the bowstring relaxed.