Patent ID: 8622050

Claim:
A kit for converting a compound archery bow into a vertical limb or horizontal limb crossbow, the kit comprising: a socket to receive a draw-lock bar, the socket being adopted for attachment to a mounting plate located on a side of the bow, a draw-lock bar with one end adapted to be inserted into the socket, and a trigger and string release assembly adapted to be bolted to the opposite end of the draw-lock bar, the trigger and release assembly including a string release section containing a string latch, a trigger section containing a pistol grip and a trigger for actuating the string latch to release the string, and an anti-dryfire mechanism that blocks the string latch from releasing the bow string when the trigger is pulled if there is no arrow nocked onto the string, wherein the blocking mechanism is moved out of the blocking position by the presence of an arrow, and further comprising a foot stirrup attached to the mounting plate to which the socket is attached, the stirrup having a hinged connection to the plate that allows the stirrup to extend forward of the bow in an open hinged position and be folded back along the bow in a closed hinge position.