Land vehicles: bodies and tops – Bodies – Structural detail
Patent
1987-09-11
1988-11-29
Song, Robert R.
Land vehicles: bodies and tops
Bodies
Structural detail
5118, 5119, 296181, B62D 3306
Patent
active
047876700
ABSTRACT:
A floor subframe construction for a sleeper cab of the type used in a tractor/trailer rig and adapted to be located behind the driver's cab and supported on the tractor frame. The sleeper cab has vertical exterior wall sections and a floor panel formed of metal sheet. The floor panel is supported on an exterior metal floor subframe that includes parallel front and rear main beams, a plurality of interior cross members extending perpendicular to and between the main beams, and exterior side members connected between the outer ends of the main beams. The main beams, cross members, and side members define coplanar supporting surfaces for the floor panel. Each of the beams has upper and lower horizontal flanges spaced apart and joined by a vertical web at the outer ends thereof to define an inwardly facing open channel. The lower flange has a top surface on which the cross members are supported and secured, and has openings formed therein to receive the mounting bolts for securing the sleeper cab to the tractor frame. The ends of the bolts are located in the open channel. The top face of the upper flange has a vertical rib extending upwardly and having an outer surface to which the lower ends of the respective wall sections are welded.
REFERENCES:
patent: 4121684 (1978-10-01), Stephens et al.
patent: 4145080 (1979-03-01), Miller et al.
patent: 4201415 (1980-05-01), Suchanek
patent: 4249295 (1981-02-01), Lance
Bentz Metal Products Co., Inc.
Gruber John
Song Robert R.
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