Demountable cargo box for vehicles

Claim 1

A FRONT LEG ASSEMBLY FOR A DEMOUNTABLE CARGO BOX FOR VEHICLES HAVING A BASE WITH A BOX MOUNTED THEREON COMPRISING A CARRYING TUBE AFFIXED TO SAID BASE AND A PAIR OF SUPPORT UNITS MOVABLE WITH RESPECT THERETO, EACH OF SAID SUPPORT UNITS INCLUDING A LEG, EACH OF SAID LEGS HAVING SECURED THERETO A ROTATING TUBE, EACH OF SAID ROTATING TUBES AXIALLY AND SLIDABLY AND ROTATABLY RECEIVED IN SAID CARRYING TUBE, AND COOPERATING WITH SAID SUPPORT MEANS OTHER THAN SAID TUBES CARRIED BY SAID BASE AND LEGS FOR SUPPORTING SAID CARGO BOX ON SAID LEGS, SAID SUPPORT MEANS TRANSMITTING SUBSTANTIALLY THE ENTIRE WEIGHT OF SAID BOX AND BASE DIRECTLY TO SAID LEGS THEREBY PREVENTING SAID WEIGHT FROM BEING CARRIED BY THE TUBES, SAID SUPPORT MEANS INCLUDING TWO PAIRS OF VERTICALLY SPACED GUIDES FOR EACH LEG SECURED TO SAID BASE AND A SUPPORT PLATE FIXEDLY ATTACHED TO EACH OF SAID LEGS, SAID PLATE SLIDABLY RECEIVABLE BETWEEN EACH PAIR OF SAID SPACED GUIDES WHEREBY SAID BOX MAY BE SUPPORTED ON SAID PLATES AND SAID PLATES ARE PREVENTED FROM TILTING ABOUT ANY HORIZONTAL AXIS BY SAID GUIDES.