Apparatus for loading a coach body into a pick-up truck

Claim 1

IN LIFTING JACK APPARATUS FOR LOADING AND UNLOADING A SUBSTANTIALLY RECTANGULAR BODY OF A VEHICLE WITH RESPECT TO THE CHASSIS AND RUNNING GEAR FROM WHICH IT IS SEPARABLE, SAID APPARATUS INCLUDING FOUR LIFT FIXTURES ADAPTED FOR ATTACHMENT TO SAID BODY ADJACENT ITS CORNERS, RESPECTIVELY, AND FOUR LIFTING JACKS OF ELONGATE RATCHET TYPE, EACH HAVING A STANDARD PROVIDED WITH A STABILIZING FOOT, A LIFTING ARM PROJECTING FROM SAID STANDARD FOR ENGAGEMENT WITH ONE OF SAID LIFT FIXTURS, AND MEANS FOR RAISING AND LOWERING SAID LIFTING ARM WITH RESPECT TO SAID STANDARD BY SUCCESSIVE INCREMENTS, THE LIFTING ARM BEING OF CYLINDRICAL CONFIGURATION AND PROJECTING HORIZONTALLY FROM ITS STANDARD AND EACH LIFT FIXTURE INCLUDING A SOCKET OF CYLINDRICAL CONFIGURATION FOR RECEIVING A LIFTING ARM IN CONCENTRIC, PIVOTAL RELATIONSHIP BETWEEN LIFTING ARM AND SOCKET OF EACH COOPERATING SET OF JACK AND LIFT FIXTURE IN THE LOADING AND UNLOADING POSITIONS OF SAID JACKS, THE SEVERAL COOPERATING SETS OF JACK AND LIFT FIXTURES BEING STRUCTURALLY AND FUNCTIONALLY INDEPENDENT OF ONE ANOTHER; AND MEANS FOR SECURELY LATCHING THE LIFTING ARM OF EACH JACK IN ITS FREELY PIVOTAL RELATIONSHIP WITH ITS SOCKET.