Patent ID: 6435604
Filing Date: 2002-08-20
Classification: B60J

Abstract:
A universal door frame for a trailer, comprising:a left side post; a right side post disposed opposite said left side post; each said side post further having an upper end and a lower end opposite said upper end; a header extending between said upper end of each said side post; a sill assembly extending between said lower end of each said side post; each said side post being formed of a single, unitary length of preformed steel having a rectangular cross section; said header being formed of a single, unitary length of preformed steel; each said side post, said header, and said sill assembly defining a rectangular door opening therebetween; each said side post, said header, and said sill assembly being permanently welded together to form a solid, continuous door frame assembly; and each said side post further having a plurality of spaced apart hinge butts for installing a side hinged door to each said side post thereto and having a side wall attachment strip welded to and extending forwardly from each said side post for installing a track for an overhead door thereto.