Railway vehicle truck

Claim 1

A CAST INTEGRAL FRAME FOR A RAILWAY VEHICLE 4-AXLE TRUCK COMPRISING A PAIR OF LONGITUDINALLY EXTENDING TRANSVERSELY SPACED SIDE MEMBERS, SAID SIDE MEMBERS BEING INTERCONNECTED BY FOUR TRANSVERSELY EXTENDING LONGITUDINALLY SPACED TRANSOM MEMBERS, EACH OF SAID SIDE MEMBERS HAVING A HOLLOW GENERALLY RECTANGULAR SECTION, EACH OF SAID SIDE MEMBERS HAVING PORTIONS REMOVED AT FOUR LONGITUDINALLY SPACED INTERVALS TO FORM DOWNWARDLY FACING CHANNEL PORTIONS IN WHICH HELICAL FRAME-SUPPORTING SPRINGS MAY BE RECEIVED, EACH OF SAID SIDE MEMBERS HAVING EIGHT PEDESTALS DEPENDING THEREFROM, EACH OF SAID PEDESTALS HAVING A HOLLOW GENERALLY RECTANGULAR SECTION WITH SIDE PORTIONS AND A BASE PORTION, SAID PEDESTALS BEING GROUPED INTO FOUR LONGITUDINALLY SPACED PAIRS OF PEDESTALS, EACH OF SAID PAIRS BEING ADAPTED TO EMBRACE AN AXLE JOURNAL BOX, EACH OF SAID SIDE MEMBERS HAVING A STRENGTHENING WEB DEPENDING THEREFROM AND EXTENDING LONGITUDINALLY BETWEEN THE FOURTH AND FIFTH OF SAID PEDESTALS WHICH FORM ADJACENT PEDESTALS OF THE SECOND AND THIRD OF SAID PAIRS OF PEDESTALS, SAID WEB HAVING A HOLLOW GENERALLY RECTANGULAR SECTION WITH SIDE PORTIONS, SAID SIDE PORTIONS OF SAID WEB AND OF SAID FOURTH AND FIFTH PEDESTALS BEING CONNECTED, EACH OF SAID SIDE MEMBERS HAVING REINFORCING WEBS DEPENDING THEREFROM AND EXTENDING LONGITUDINALLY UPWARDLY FROM THE THIRD OF SAID PEDESTALS TO THE SECOND OF SAID PEDESTALS WHICH FORM ADJACENT PEDESTALS OF THE FIRST AND SECOND OF SAID PAIRS OF PEDESTALS AND FROM THE SIXTH OF SAID PEDESTALS TO THE SEVENTH OF SAID PEDESTALS WHICH FORM ADJACENT PEDESTALS OF THE THIRD AND FOURTH OF SAID PAIRS OF PEDESTALS, SAID REINFORCING WEBS HAVING DOWNWARDLY FACING CHANNEL SECTIONS WITH SIDE PORTIONS, SAID SIDE PORTIONS OF SAID REINFORCING WEBS AND OF THE ASSOCIATED PEDESTALS BEING CONNECTED, EACH OF SAID SIDE MEMBERS HAVING A PORTION REMOVED TO FORM AN UPWARDLY FACING CHANNEL PORTION WITHIN WHICH HELICAL BOLSTER-SUPPORTING SPRINGS MAY BE RECEIVED, SAID BASE PORTIONS OF SAID THIRD, FOURTH, FIFTH AND SIXTH PEDESTALS EACH HAVING AN OPENING EXTENDING THERETHROUGH, EACH OPENING BEING ADAPTED TO RECEIVE MEANS FOR RETAINING A TENSION MEMBER BETWEEN SAID THIRD AND FOURTH AND BETWEEN SAID FIFTH AND SIXTH PEDESTALS.