US Patent 7207582 Universal mounting system

A sub frame assembly for attaching a material container to different vehicles each having a first and second generally parallel chassis member wherein the chassis members of the different vehicles have different spacings. The sub frame assembly comprises at least one frame rail associated with each chassis rail, at least a first and second cross member attached to the frame rails to hold the frame rails in a generally fixed relationship, wherein the cross members space the frame rails at a distance which corresponds to the chassis frame spacing of a respective vehicle.