Vehicle frame assembly

Claim 1

A HEAVY LOAD BEARING VEHICLE FRAME ASSEMBLY COMPRISING TWO SPACED BOX-SHAPED SIDE RAILS OF HOLLOW CROSS SECTION, TRANSVERSELY BOX-SHAPED CROSS RAILS TO HOLLOW CROSS SECTION INTERCONNECTING SAID SIDE RAILS AT POINTS ADJACENT THEIR RESPECTIVE FORWARD AND REARWARD ENDS, EACH OF SAID SIDE RAILS AND EACH OF SAID CROSS RAILS COMPRISING INWARDLY FACING ABUTTING CHANNELS IN FIXED RELATIONSHIP TO EACH OTHER, A REINFORCING PLATE MEMBER ADJACENT TO AND IN FIXED RELATIONSHIP TO EACH OUTER SURFACE OF SAID ABUTTING CHANNELS, SAID REINFORCING PLATE MEMBERS SURROUNDING SAID INWARDLY FACING ABUTTING CHANNELS, FIRST AND SECOND SPACED CROSS MEMBERS FORWARDLY SECURED TO SAID SIDE RAILS, SAID SPACED CROSS MEMBERS SUBSTANTIALLY DISPOSED IN A HORIZONTAL PLANE BENEATH SAID SIDE RAILS WITH THAT PORTION OF EACH OF SAID CROSS MEMBERS SECURED TO SAID SIDE RAILS EXTENDING OUTWARDLY AND UPWARDLY FROM THE HORIZONTALLY DISPOSED PORTION OF EACH OF SAID CROSS MEMBERS, A FORCE-RESISTING MEMBER PARALLEL TO AND SECURED TO SAID FORWARD CROSS RAIL, SAID FORCE-RESISTING MEMBER EXTENDING BEYOND SAID FORWARD CROSS RAIL AND IN FRONT OF THE ENDS OF SAID SIDE RAILS, AND A TRUNNION PLATE MEMBER SUPPORTED BY SAID CROSS MEMBERS AND RESTRICTIVELY ABOUT THE CENTER OF EACH OF SAID FIRST AND SECOND SPACED CROSS MEMBERS.