Patent ID: 7488276

Claim:
A boxing device that fights backs, comprising: a substantially fixed supporting structure comprising a pair of rings one upper ring rigidly connected to the ceiling and a lower ring rigidly connected to the floor; a boxing bag; a pair of nylon cables each ending in a metal triangle; a pair of metal springs, an upper and a lower metal spring; wherein the upper metal spring is attached to the upper ring while the lower metal spring is attached to the lower ring; a pair of padded arms, an upper arm closer to the upper ring and a lower arm closer to the lower ring, each having a T-type rod disposed so as to hold a boxing glove at the lower end of the arm; a pair of reel type pieces wherein each of said reel type piece works as an axis holding each a padded arm that rotates around the piece in response to an impact applied to the boxing bag; wherein each reel type piece comprises a metal rod at its top end to hold the respective nylon cable; a pair of funnel shaped pieces covered with leather; wherein each of said pieces is placed over the top and bottom ends respectively of the boxing bag and secured in place with tied on strings; said funnel pieces smaller portion being inserted into the bottom end of the reel type piece and the respective nylon cable being passed through the inside of the funnel pieces and the reel type pieces so that the boxing arm may move in an unpredictable fashion, wherein said cable is held in place by the metal rod on the reel type pieces; and wherein the metal triangle is located partially inside the reel type piece holding the metal rods and the metal springs; said rocking funnel-reel movement allowing for a superior-inferior and inferior-superior rotational or straight movement of the respective arm.