Machine for use in practicing football blocking

Claim 1

A FOOTBALL TRAINING MACHINE COMPRISING AN ELONGATED RIGID FRAME HAVING A FORWARD END AND A REAR END, A BEAM EXTENDING LONGITUDINALLY THROUGH SAID FRAME AND RECIPROCABLY MOUNTED THEREIN, AN IMPACT RECEIVING MEMBER SUPPORTED BY A FORWARD END OF SAID BEAM AND BEYOND THE FORWARD END OF SAID FRAME, A BAR EXTENDING LONGITUDINALLY THROUGH SAID FRAME ABOVE THE BEAM, MEANS PIVOTALLY CONNECTING THE BAR TO THE REAR FRAME END FOR VERTICAL SWINGING MOVEMENT, A SPRING MOUNTED IN THE FORWARD FRAME END AND URGING SAID BAR TO SWING DOWNWARDLY, AND MEANS RELEASABLY LATCHING SAID BEAM TO THE BAR WHEN THE BEAM IS IN A FORWARD POSITION, SAID LATCHING MEANS INCLUDING INTERENGAGING PARTS CARRIED BY THE BEAM AND BAR, ONE OF SAID PARTS INCLUDING A CAM SURFACE ENGAGEABLE BY THE OTHER PART WHEN THE BEAM IS THRUST REARWARDLY WITH A PREDETERMINED FORCE TO CAUSE SAID PARTS TO BE CAMMED OUT OF ENGAGEMENT WITH ONE ANOTHER FOR FORCING THE BAR TO SWING UPWARD AGAINST THE PRESSURE OF THE SPRING TO EFFECT UNLATCHING OF THE BEAM FROM THE BAR.