Container car construction

Claim 1

A RAILWAY CAR FOR TRANSPORTING A PLURALITY OF LOADED VAN TYPE CARGO CARRYING CONTAINERS ADAPTED FOR STACKING SOLELY IN CORNER TO CORNER RELATIONSHIP AND HAVING A TOTAL LENGTH IN EXCESS OF THE LENGTH OF SAID CAR AND A TOTAL GROSS WEIGHT SUBSTANTIALLY EQUAL TO THE LOAD CARRYING CAPACITY OF SAID CAR, SAID CONTAINERS BEING DISPOSED IN END-TO-END RELATIONSHIP ALONG THE LENGTH OF SAID CAR IN DUAL STACKED POSITION IN THE GENERAL AREA CONTAINING THE CENTER OF GRAVITY OF SAID CAR AND IN A SINGLE LEVEL ADJACENT ONE END OF SAID CAR, SAID RATIO OF THE GROSS WEIGHT OF SAID DUAL STACKED CONTAINERS TO SAID SINGLE LEVEL CONTAINERS BEING AT LEAST 2:1, SAID CAR COMPRISING AN UNDERFRAME HAVING A CONTAINER SUPPORTING SURFACE FOR SUPPORTING SAID SINGLE LEVEL CONTAINERS FROM ONE END THEREOF AND A DUAL STACKED CONTAINER SUPPORTING SURFACE ADJACENT SAID SINGLE LEVEL OF CONTAINERS, A PAIR OF LENGTHWISE SPACED TRUCKS SUPPORTING SAID UNDERFRAME, ONE OF SAID TRUCKS BEING LOCATED IN CLOSE PROXIMITY TO THE OUTBOARD END OF SAID STACKED CONTAINERS AND THE OTHER OF SAID TRUCKS UNDERLYING SAID SINGLE LEVEL CONTAINERS AND BEING SPACED FROM SAID ONE TRUCK SO THAT THE CENTER OF GRAVITY OF SAID CAR AND THE RESULTANT CENTER OF GRAVITY OF SAID DUAL AND SAID SINGLE LEVEL CONTAINERS LIES APPROXIMATELY MIDWAY BETWEEN THE CENTER LINE OF SAID TRUCKS.