Patent ID: 8403340

Claim:
A system for rapidly changing a head of an operating machine comprising: a connecting device fitted on a final portion of a rotating longitudinal shaft of the operating machine, the connecting device having a substantially planar upper surface facing a substantially planar surface of the operating machine and a substantially planar lower surface facing a substantially planar surface of the head, a first plug radially locking the connecting device to the shaft; one or more devices generating a magnetic field, the magnetic field operatively and removably coupling the head to the operating machine, the one or more devices being disposed within one or more mating longitudinal first openings extending from the upper surface to the lower surface of the connecting device, the one or more devices not extending beyond the upper and lower surfaces; the rotating longitudinal shaft having an extended portion, the head having a centrally disposed opening shaped to mate with the extended portion of the shaft; and the connecting device having a second opening configured for receiving a second plug dimensioned to extend into an outwardly extending recess into the substantially planar surface of the head, the second plug rotatably coupling the connecting device to the head.