Vehicle body loading and unloading mechanism

Claim 1

IN VEHICLE LOADING AND UNLOADING MECHANISM OF THE CHARACTER DESCRIBED, THE COMBINATION OF A TILTING FRAME ADAPTED TO EXTEND LENGTHWISE OF A MOTOR VEHICLE, SUPPORTING MEANS FOR THE TILTING FRAME MOUNTING THE FRAME FOR SWINGING MOVEMENT IN AN UPDWARD DIRECTION, A CARRIAGE EXTENDING LENGTHWISE OF THE TILTING FRAME AND INCLUDING SIDE RAIL MEMBERS, RUNNER MEANS CONNECTED WITH THE SIDE MEMBERS AND MOUNTED IN GUIDED RELATION WITH THE TILTING FRAME FOR SUPPORTING THE CARRIAGE THEREON FOR MOVEMENT RELATIVE THERETO, POWER MEANS CONNECTED WITH THE CARRIAGE FOR RECIPROCATING THE CARRIAGE RELATIVE TO THE TILTING FRAME, A BAIL MEMBER HAVING SIDE PORTIONS AND A LOOP CONNECTION THEREBETWEEN ADAPTED FOR CONNECTION WITH A BODY OR CONTAINER TO MOVE THE LATTER ONTO OR OFF THE TILTING FRAME, A SHAFT EXTENDING TRANSVERSELY BETWEEN THE SIDE MEMBERS OF THE CARRIAGE AND PIVOTALLY MOUNTING THE SIDED OF THE BAIL MEMBER THEREON, AND A LEAF SPRING CONNECTED AT ONE END WITH THE BAIL MEMBER AND AT THE OPPOSITE END WITH THE CARRIAGE NORMALLY TENDING TO HOLD THE BAIL MEMBER YIELDABLY IN A RAISED POSITION WITH RESPECT TO THE CARRIAGE AND TILTING FRAME.