Drop-down, laterally expanding, stressed structure trailer

Details Drop-down, laterally expanding, stressed structure trailer Drop-down, laterally expanding, stressed structure trailer

2005-02-08

2005-02-08

Morrow, Jason (Department: 3612)

Land vehicles: bodies and tops

Bodies

Variable capacity of body

C296S171000

Reexamination Certificate

active

06851734

ABSTRACT:
A drop down for floor access, laterally expanding for space, stressed structure for finesse, trailer or portable building that consists of two telescoping open span box shells of space tube type construction with a novel suspension attached both near the floor and near the ceiling that allows walk through floor space between the wheels when the thin trailer floor is sitting on roadway surface in the drop down mode. A “glide-over” box shell section travels on overhead “drawer-slide”apparatus during extensions-retraction and twin overhead “T” beams captivate a combination double foam weather seal and travel stop during extension.

REFERENCES:
patent: 2898145 (1959-08-01), Ferrera
patent: 3234696 (1966-02-01), Spencer
patent: 3719386 (1973-03-01), Puckett
patent: 3740088 (1973-06-01), Ratcliff
patent: 4856805 (1989-08-01), Davis
patent: 5863049 (1999-01-01), Mahvi
patent: 5887880 (1999-03-01), Mullican et al.
patent: 5921033 (1999-07-01), Molina
patent: 6325437 (2001-12-01), Hiebert et al.
patent: 20030127827 (2003-07-01), Hulsey et al.

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