Freight car construction with recessed load securing means

Claim 1

IN A HOUSE-TYPE RAILROAD CAR, A CAR SIDE ASSEMBLY COMPRISING: A PLURALITY OF SPACED VERTICAL FORMED CAR SIDE POSTS HAVING COPLANAR FLANGES TOWARD THE CAR INTERIOR DISPOSED IN A COMMON VERTICAL PLANE, A HEADER MEMBER EXTENDING LONGITUDINALLY OF THE CAR SIDE CONNECTED TO THE UPPER TERMINAL ENDS OF SAID PLURALITY OF CAR SIDE POSTS, METALLIC WALL SHEATHING MEANS CONNECTED IN FLUSH RELATION WITH SAID COPLANAR FLANGES AND SAID HEADER MEMBER, SAID CAR SIDE POSTS HAVING RECESSED NOTCHES THEREIN OPENING TOWARD THE CAR INTERIOR WITH THE NOTCHES OF ADJACENT SIDE POSTS SUBSTANTIALLY ALONG THE LENGTH OF THE CAR DISPOSED IN REGISTRATION, A RECESSED PORTION OPENING INWARDLY OF THE CAR FORMED IN SAID WALL SHEATHING MEANS AND EXTENDING LONGITUDINALLY OF THE CAR AND CONNECTED THROUGHOUT THE LENGTH THEREOF IN THE REGISTERED RECESSED NOTCHES OF SAID CAR SIDE POSTS, AND CONTINUOUS SECURING RAIL MEANS CONNECTED IN SAID RECESSED PORTION AND BEING SUBSTANTIALLY COEXTENSIVE THEREWITH AND HAVING AN INNER SURFACE TOWARD THE CAR INTERIOR DISPOSED FLUSH WITH SAID WALL SHEATHING MEANS, WHEREBY SAID WALL SHEATHING MEANS FORMS THE INTERIOR AND EXTERIOR WALLS OF SAID CAR SAID ASSEMBLY AND SAID SECURING RAIL MEANS IS RECESSED WITHIN THE VERTICAL POSTS LONGITUDINALLY OF THE CAR.