Trailer

Details Trailer Trailer

2007-08-28

2007-08-28

Morrow, Jason S (Department: 3612)

Land vehicles: bodies and tops

Bodies

End gates

C296S146800, C296S146110, C049S386000

Reexamination Certificate

active

10966553

ABSTRACT:
A trailer includes a ramp having an end attached to the trailer for pivotal movement of the ramp between a raised gate position and a lowered, inclined loading position. An elongate support is attached to the trailer adjacent to the end of the ramp, and a tension spring encircles the support and has a first tag end coupled to the end of the ramp and a second tag end coupled to the trailer and winding and unwinding in response to movement of ramp between the raised gate position and the lowered, inclined loading position, respectively.

REFERENCES:
patent: 907768 (1908-12-01), Fromhart
patent: 2990212 (1961-06-01), Nicastro
patent: 3461607 (1969-08-01), Anderton et al.
patent: 3536214 (1970-10-01), Sorg et al.
patent: 4657233 (1987-04-01), Vroom
patent: 4691956 (1987-09-01), Hodge
patent: 5533234 (1996-07-01), Bizek
patent: 5937583 (1999-08-01), Lamperti
patent: 6964445 (2005-11-01), Bellis, Jr.
patent: 6976723 (2005-12-01), Libby
patent: 7036863 (2006-05-01), Hunter
patent: 2002/0070576 (2002-06-01), Rayburn
patent: 2006/0028048 (2006-02-01), Brenneman et al.
patent: 2006/0220410 (2006-10-01), Luehr et al.

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