Transport means

Claim 1

CARGO TRANPORT MEANS COMPRISING A TRACK BED TO ELONGATE FORM AND DELINEATED BY PARALLEL MARGINAL CURB MEANS AT OPPOSITE SIDES THEREOF THEREBY PROVIDING A TRACK BED RAISED RELATIVE TO THE ADJACENT GROUND LEVEL, FLUID OUTLET PORTS EXTENDING THROUGH SAID BED AT INTERVALS LONGITUDINALLY THEREOF, A LOAD CARRIER ADAPTED TO RECEIVE A LOAD TO BE TRANSPORTED, SAID CARRIER HAVING A SUBSTANTIALLY FLUID TIGHT BOTTOM WALL CONDUIT MEANS IN COMMUNICATION WITH EACH OF SAID OUTLET PORTS FOR SUPPLYING THE LATERAL WITH PRESSURE FLUID, A VALVE DEVICE CONTROLLING THE LATTER WITH THROUGH EACH OF SAID PORTS, MEANS BIASING SAID VALVE DEVICES TOWARD THEIR CLOSED POSITIONS, FLUID PRESSURE RESPONSIVE MEANS OPERABLY CONNECTED TO EACH OF SAID VALVES AND ADAPTED TO ACTUATE THE VALVE TO OPEN POSITION AGAINST THE ACTION OF ITS BIASING MEANS, BACK PRESSURE CONDUIT MEANS IN PRESSURE COMMUNICATING RELATION WITH THE SPACE BETWEEN SAID CRUB MEANS AT POSITION AHEAD OF EACH OF SAID PORTS AND COUPLED TO SAID PRESSURE RESPONSIVE MEANS FOR ACTUATING THE LATTER TO CAUSE THE ASSOCIATED VALVE DEVICE TO OPEN WHENEVER A FLUID BACK PRESSURE DEVELOPS IN SAID SPACE SUCH AS WHEN A CARRIER IS DISPOSED THEREABOVE, AND MEANS EXTENDING DOWNWARDLY FROM SAID CARRIER IN SLIDE-GUIDING RELATIONSHIP WITH RAISED WALL PORTIONS OF SAID TRACK BED FOR GUIDING SAID CARRIER WHEN TRAVELING THEREALONG.