Patent ID: 7998035

Claim:
A kung fu training device, comprising: a base portion, having a seat portion extending upward; a body portion, comprising a vertical rod, a lateral rod and a wrapping element, the vertical rod having a bottom end, a first body section and a top end, the bottom end being disposed on the seat portion, the first body section connecting the bottom end to the top end, the lateral rod having two pivoting ends and a second body section, the second body section connecting one of the pivoting ends to the other, the second body section being firmly disposed on the first body section, each pivoting end being formed with a right polygonal hole and a first fixation hole, the right polygonal holes and the lateral rod being coaxial, the first fixation hole communicating with its corresponding right polygonal hole, the wrapping element being foamed material, the wrapping element covering the first body section, the top end, the pivoting ends and the second body section, the wrapping element being formed with two grooves, each groove communicating with one of the first fixation holes, the right polygonal holes being uncovered, so that the right polygonal holes can communicate with the surrounding atmosphere; two arms, each arm comprising a right polygonal rod, a stretching rod and a fist pad, each right polygonal rod having a plurality of side surfaces, each side surface being parallel to the longitudinal direction of the right polygonal rod, several of the side surfaces being formed with a set of bores, each set of bores comprising a plurality of first positioning holes, the first positioning holes of each set of bores being arranged along the right polygonal rod, each right polygonal rod being received in one the right polygonal holes, each first fixation hole communicating with one of the first positioning holes, a shoulder angle being defined by the right polygonal rod and the stretching rod, each stretching rod connecting its corresponding right polygonal rod to its corresponding fist pad; and two first pins, being removably inserted in the grooves, the first fixation holes and their corresponding first positioning holes, so that each right polygonal rod and their corresponding pivoting end being immovable with respect to each other.