Compound box having tubular risers

Abstract From the Canadian patent

An improved compound bow having a rigid lightweight high strength central portion which connects the opposed inner ends of the bow limbs and includes spaced apart centrally offset, tubular risers. The riser offsetting provides a sight window which extends over the entire space intermediate the limbs. The tubular risers are preferably made of lightweight extruded material to impart strength while maintaining reduced weight and fabrication costs. The riser is affixed to the bow limbs through limb boots and the riser may carry a laterally extending support platform. The platform is constructed to rigidly support either a right or left handed grip, a draw cable guard and if desired an arrow …