Patent ID: 8225777

Claim:
A crossbow having a stock assembly having a body having a front end; a retainer being made of hardened plastic, securely mounted around the front end of the body and having a vibrating frequency; a top; a bottom; a bolt groove being elongated and formed through the top of the retainer; a mounting hole formed through the retainer near the bottom; and a holding protrusion formed on and protruding from the retainer opposite to the body; and a buffering spacer being made of hardened plastic, mounted on the retainer and having a shape corresponding to the retainer; a vibrating frequency being different from the vibrating frequency of the retainer; a gap formed through the buffering spacer and corresponding to the bolt groove of the retainer; a through hole formed through the buffering spacer and aligning with the mounting hole of the retainer; and a holding hole formed through the buffering spacer and mounted around the holding protrusion of the retainer; and a bow assembly securely connected to the stock assembly and having a mounting base mounted around the retainer and the buffering spacer and having a mounting recess formed in the mounting base and having a bottom abutting against the buffering spacer opposite to the retainer; two bow arms securely connected to the mounting base and each bow arm having a free end opposite to the mounting base; a bowstring connected to the free ends of the bow arms; and a fastener mounted through the mounting base, the through hole of the buffering spacer and the mounting hole of the retainer and screwed with the free end of the body to hold the retainer and the buffering spacer between the mounting base and the body.