Composite cargo door/ramp

Details Composite cargo door/ramp Composite cargo door/ramp

2007-05-08

2007-05-08

Pape, Joseph D. (Department: 3612)

Land vehicles: bodies and tops

Bodies

End gates

C296S146800, C414S537000

Reexamination Certificate

active

10911841

ABSTRACT:
A cargo enclosure including a floor having a plurality of edges including a first edge, a second edge and a third edge. At least two sidewalls, including a first sidewall and a second sidewall, the first sidewall connected to the first edge of the floor, the second sidewall connected to the second edge of the floor. At least one hinge is connected along the third edge of the floor, the at least one hinge being rotatable about an axis. A composite door is connected to the at least one hinge, the door having a closed position and the hinge having a plurality of torsion springs rotatable about the axis, the plurality of torsion springs biasing the composite door toward the closed position.

REFERENCES:
patent: 3155203 (1964-11-01), Kappen
patent: 3258019 (1966-06-01), Bellas et al.
patent: 3308845 (1967-03-01), Bellas et al.
patent: 4839991 (1989-06-01), Rathgeb
patent: 4966510 (1990-10-01), Johnson, Jr.
patent: 5314200 (1994-05-01), Phillips
patent: 5342105 (1994-08-01), Miles
patent: 5769593 (1998-06-01), Buffaloe
patent: 6068324 (2000-05-01), DeKlotz
patent: 6164716 (2000-12-01), Palazzolo et al.
patent: 6179371 (2001-01-01), Miller
patent: 6196617 (2001-03-01), Beck
patent: 6941875 (2005-09-01), Norton et al.

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