Tractor semitrailer load distributor device

Claim 1

IN A TRACTOR HAVING FRONT AND REAR WHEELS AND INCLUDING A FRAME HAVING A FIFTH WHEEL THEREON, AND A DUMP TYPE SEMITRAILER HAVING REAR WHEELS AND INCLUDING A FRAMEWORK CONNECTED AT THE FORWARD PORTION THEREOF TO THE FIFTH WHEEL AND A DUMP BOX SUPPORTED ON THE FRAMEWORK AND HINGEDLY CONNECTED THERETO AT A REARWARD PORTION THEREOF, THE IMPROVEMENT COMPRISING A LOAD DISTRBUTION MECHANISM FOR SHIFTING A PORTION OF THE LOAD TO AND FROM THE FRONT AND REAR WHEELS OF THE TRACTOR, SAID FRAME FORWARDLY OF THE FIFTH WHEEL AND INTEMEDIATE THE FRONT AND REAR WHEELS OF THE TRACTOR, SAID JACK INCLUDING A LIFT MEMBER MOVABLE TO AND FROM A LOWERED POSTION AND A RAISED POSITION AND DISPOSED BELOW A FORWARD PROJECTION ON THE DUMP BOX OF THE SEMITRAILER, SAID LIFT MEMBER WHEN IN SAID LOWERED POSITION DISPOSED OUT OF CONTACT WITH THE FORWARD PROJECTION, SAID LIFT MEMBER WHEN MOVED TO THE RAISED POSITION SLIDABLY CONTACTING THE FORWARD PROJECTION AND LIFTING AND PIVOTING THE DUMP BOX OFF THE FRAMEWORK PROVIDING FOR RELATIVE PIVOTING MOVEMENT OF THE FRAMEWORK ON THE FIFTH WHEEL AND MOVEMENT OF THE DUMP BOX RELATIVE TO SAID LIFT MEMBER WHILE IN SAID RAISED POSITION WHEREBY A SUBSTANTIAL PORTION OF THE LOAD IS TRANSFERRED FROM THE FIFTH WHEEL TO SAID JACK CAUSING A SHIFT OF LOAD FROM THE REAR TO THE FRONT WHEELS OF THE TRACTOR, AND INTE-ENGAGEABLE MEANS ON SAID TRACTOR AND SAID TRAILER OPERABLE WHEN INTER-ENGAGED TO EFFECT DE-ENERGIZATION AND RE-ENERGIZATION OF SAID JACK UPON THE PIVOTING OF SAID TRACTOR WITH RESPECT TO SAID TRAILER BEYOND A PRESELECTED ANGULARITY.