Railway conveying and unloading structure

Claim 1

CONVEYING AND UNLOADING STRUCTURE COMPRISING (A) TRACK FOR SUPPORTING A VEHICLE DURING TRAVEL ON ITS WHEELS TO A DUMPING STATION, (B) WIDER GUAGE TRACK MEANS ON WHICH THE VEHICLE TRAVELS THROUGH THE DUMPING STATION, AND (C) A DROP BOTTOM HOPPER-TYPE WHEELED VEHICLE HAVING (D) CHASSIS MEANS INCLUDING MAIN SILL MEANS IN TWO SECTIONS WITH A SECTION EXTENDING LONGITUDINALLY ALONG EACH SIDE OF THE VEHICLE FOR SUPPORTING THE VEHICLE ON THE WIDER GAUGE TRACK MEANS DURING TRAVEL THROUGH THE DUMPING STATION, END SILL MEANS AT LONGITUDINAL END OF THE VEHICLE, AND TRANSVERSE TIE MEANS RIGIDLY INTERCONNECTING THE TWO SIDE SILL SECTIONS AND LOCATED INTERMEDIATE THE END SILL MEANS IN SPACED RELATIONSHIP WITH THE END SILL MEANS, (E) BODY MEANS INCLUDING SIDEWALL EXTENDING UPWARDLY FROM THE SIDE SILL SECTIONS AND ENDWALL MEANS AT EACH LONGITUDINAL END OF THE VEHICLE, THE SIDEWALL MEANS AND ENDWALL MEANS IN COMBINATION WITH THE TRANSVERSE TIE MEANS DEFINING AN OPEN BOTTOM CONFIGURATION OF THE VEHICLE, (F) DROP BOTTOM DOOR MEANS FOR CLOSING THE OPEN BOTTOM CONFIGURATION OF THE VEHICLE THE DROP BOTTOM DOR MEANS EXTENDING EBTWEEN THE SIDE SILL SECTIONS AND MOUNTED FOR SWINGING MOVEMENT ABOUT HORIZONTALLY DISPOSED DOOR AXLE MEANS CONNECTED TO THE VEHICLE AND EXTENDING LATERALLY OF THE VEHICLE BETWEEN THE SIDE SILL SECTIONS BELOW THE TRANSVERS TIE MENS, (G) WHEEL AXLE MEANS EXTENDING LATERALLY OF THE VEHICLE BETWEEN THE SIDE SILL SECTIONS, (H) A PAIR OF WHEELS MOUNTED ON EACH WHEEL AXLE MEANS, THE WHEELS BEING LOCATED ON THE WHEEL AXLE MEANS INTERMEDIATE THE SIDE SILL SECTIONS DEFINING A WHEEL GAUGE FOR THE VEHICLE WHICH IS NARROWER THAN THE DROP BOTTOM DOOR MEANS EXTENDING BETWEEN THE SIDE SILL SECTIONS, AND (I) MEANS MOUNTING THE WHEEL AXLE MEANS BELOW AND ON THE TRANSVERSE TIE MEANS INCLUDING SHOCK-ABSORBING CONNECTION MEANS ACTING BETWEEN THE WHEEL AXLE MEANS AND THE TRANSVERSE TIE MEANS, (J) THE DROP BOTTOMDOOR MEANS AND HORIZONTALLY DISPOSED DOOR AXLE MEANS BEING CONNECTED TO THE VEHICLE INDEPENDENTLY OF THE WHEEL AXLE MEANS AND POSITIONED SO AS TO NOT TO INTERFERE WITH OPERATION OF THE WHEELS, WHEEL AXLE MEANS, AND SHOCK-ABSORBING CONNECTION MEANS.