Guardrail terminal

Details Guardrail terminal Guardrail terminal

2005-09-27

2005-09-27

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Traffic steering device or barrier

C404S010000, C256S013100

Reexamination Certificate

active

06948880

ABSTRACT:
A guardrail terminal having a number of vertical supporting members fix into the ground one after the other along the edge of the road. The guardrail terminal, in certain embodiments, has a curved or straight first transverse horizontal retaining member fixed to the vertical supporting members at a given height off the ground, and curves in the horizontal plane so as to extend gradually away from the edge of the road. The guardrail terminal further may include a curled second transverse horizontal retaining member, which projects from the terminal end of the first transverse horizontal retaining member, curves back in the horizontal plane towards the first transverse horizontal retaining member, and is fixed by its own terminal end to the start end or to an intermediate portion of the first transverse horizontal retaining member, so as to form, together with the first transverse horizontal retaining member, a substantially tear-shaped collapsible annular member.

REFERENCES:
patent: 2154818 (1939-04-01), Mayer
patent: 2776116 (1957-01-01), Brickman
patent: 4330106 (1982-05-01), Chisholm
patent: 5791812 (1998-08-01), Ivey
patent: 6024341 (2000-02-01), Gertz
patent: 6142452 (2000-11-01), Denman et al.
patent: 6575434 (2003-06-01), Bligh et al.
patent: 1 186 714 (2002-03-01), None
patent: 1 382 748 (2004-01-01), None
patent: 9-170211 (1997-06-01), None

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