Combination derrick and portable digger suport for trucks

Claim 1

A COMBINATION DERRICK DIGGER STRUCTURE FOR VEHICLES, SAID STRUCTURE COMPRISING A DERRICK FRAME, A DIGGER SUPPORTING FRAME, MEANS PIVOTALLY SUPPORTING THE DIGGER FRAME ON A CHASSIS OF THE VEHICLE, SAID DERRICK FRAME HAVING SIDE COLUMNS MOUNTED IN SIDE COLUMNS OF THE DIGGER FRAME, MEANS PIVOTALLY SUPPORTED IN CONNECTION WITH SAID FIRST NAMED MEANS FOR SUPPORT AND GUIDE OF THE LOWER ENDS OF SAID SIDE COLUMNS OF THE DIGGER FRAME, SAID FIRST NAMED MEANS INCLUDING A HYDRAULIC CYLINDER PIVOTALLY SUPPORTED IN CONNECTION WITH SAID DIGGER FRAME, SAID FIRST NAMED MEANS INCLUDING A WINCH, A CABLE EXTENDING FROM SAID WINCH OVER A PULLEY ON THE DERRICK FRAME, SAID DERRICK AND DIGGER FRAMES BEING COLLAPSIBLE UPON THE UPPER PORTION OF THE CHASSIS OF THE VEHICLE, A SUPPORT RING MOUNTED IN CONNECTION WITH THE VEHICLE CHASSIS, A SWINGING FRAME ROTATABLE ON SAID RING, SAID SWINGING FRAME SUPPORTING SAID FIRST NAMED MEANS, AND MEANS SUPPORTED ON THE SWINGING FRAME AND OPERATIVELY ENGAGING SAID RING FOR MOVEMENT OF THE SWINGING FRAME AND THE DERRICK AND DIGGER FRAMES SUPPORTED THEREBY THROUGH AN ARC OF AT LEAST 200* WITH RESPECT TO THE CHASSIS OF THE VEHICLE.