Trailer for hauling vehicles

Claim 1

A TRAILER FOR HAULING AUTOMOBILES, TRUCKS AND SIMILAR VEHICLES OF VARIOUS SIZES AND SHAPES, COMPRISING AN ELONGATED BED PORTION, A FORWARD FRAME ABOVE THE FORWARD END OF SAID BED PORTION HAVING SPACED PARALLEL TRACKS FOR SUPPORTING A VEHICLE, A VERTICALLY ADJUSTABLE PIVOT MEANS SUPPORTING EACH END OF SAID FRAME, A STRUCTURE SUPPORTING SAID PIVOT MEANS ON SAID BED PORTION, THE PIVOT MEANS AT THE REAR END OF SAID FRAME BEING PIVOTED AT ITS LOWER END TO SAID STRUCTURE, A REAR FRAME ABOVE THE REARWARD END OF SAID BED PORTION HAVING SPACED PARALLEL TRACKS FOR SUPPORTING A VEHICLE, A VERTICALLY ADJUSTABLE PIVOT MEANS SUPPORTING A VEHICLE, A VERTICALLY ADJUSTABLE PIVOT MEANS SUPPORTING THE FORWARD END OF SAID REAR FRAME, A FORWARDLY EXTENDING LEVER CONNECTED TO SAID LAST MENTIONED PIVOT MEANS FOR RAISING THE REAR END OF SAID REAR FRAME AND HOLDING SAID REAR FRAME IN SAID RAISED POSITION, AN ADJUSTABLE MEANS FOR RELEASABLY SUPPORTING THE REAR END OF SAID REAR FRAME, EACH OF SAID ADJUSTABLE PIVOT MEANS FOR THE RESPECTIVE FRAMES INCLUDING TWO SPACED VERTICALLY POSITIONED MEMBERS DEFINING A VERTICAL SLOT, ONE OF SAID MEMBERS HAVING A PLURALITY OF VERTICALLY SPACED HOLES, A PIVOT PIN JOINED TO THE RESPECTIVE END OF THE RESPECTIVE FRAME AND EXTENDING THROUGH AND MOVABLE IN THE SLOT, A PIN SEATING IN ONE OF SAID VERTICALLY ARRANGED HOLES FOR RETAINING SAID FIRST MENTIONED PIN IN ITS ADJUSTED POSITION AND THE FRAME THEREOF IN A PRESELECTED VERTICAL POSITION, HYDRAULIC CYLINDERS FOR RAISING AND LOWERING ONE END OF SAID FORWARD FRAME, AND HYDRAULIC CYLINDERS FOR RAISING AND LOWERING THE FORWARD END OF SAID REAR FRAME.