Patent ID: 8141546

Claim:
A bowstring drawing assembly for a bow having two limbs and a bowstring, the bowstring drawing assembly comprising: a mounting frame having a bottom bar having a top side; two ends; and two opposite sides; two supporting shafts detachably and movably connected to the bottom bar and each supporting shaft having an upper end; and a lower end connected to the bottom bar near one of the ends of the bottom bar; and two pulleys rotatably and respectively connected to the upper ends of the supporting shafts to hold the limbs of the bow; an operating device mounted on the mounting frame between the supporting shafts and having a holding seat being hollow, mounted securely on the bottom bar between the supporting shafts and having a top side; a front side mounted on the top side of the bottom bar; a rear side mounted on the top side of the bottom bar; and two sidewalls mounted on the top side of the bottom bar and formed with the front side and the rear side of the holding seat; a rotating rod rotatably connected to the holding seat and having a proximal end; and a distal end; wherein the ends of the rotating rod respectively connected to the sidewalls of the holding seat; a worm wheel mounted securely around the rotating rod near the distal end in the holding seat; a worm shaft rotatably connected to the holding seat, engaging the worm wheel and having a front end rotatably connected to and extended out of the front side of the holding seat; and a rear end rotatably connected to the rear side of the holding seat; and a crank shaft connected securely to the worm shaft and having a connecting end connected securely to the front end of the worm shaft; and an operating end formed with the connecting end; and a connecting belt connected to the rotating rod of the operating device to mount around the bow between the limbs.