Road structure – process – or apparatus – Traffic director – Yielding
Patent
1989-11-17
1991-07-02
Watts, Douglas D.
Road structure, process, or apparatus
Traffic director
Yielding
405231, 52155, E01F 900
Patent
active
050281666
ABSTRACT:
A guidepost includes an elongated post member and an anchor member, the post member having first and second ends and a tip portion extending to the second end that narrows in at least one dimension in order to facilitate penetration into the ground. The post member defines an opening adjacent the second end, the anchor member has at least a first leg, and the anchor member extends through the opening in the post member to a position such that the first leg of the anchor member extends outwardly from the opening and away from the second end. According to another aspect of the invention, the post member includes first and second sides facing in generally opposite directions and a runner arrangement defining at least one longitudinally extending rib for abutting a sleeve placed over the post member for post driving purposes in order to limit the amount of post member surface area contacting the sleeve and thereby to facilitate sliding of the post member through the sleeve. For that purpose, the post member may include a gullwing-shaped cross section.
REFERENCES:
patent: 1921302 (1933-08-01), Polhemus
patent: 3210897 (1965-10-01), Whittington
patent: 3402560 (1968-09-01), Alm
patent: 3498588 (1970-03-01), Turner, Jr.
patent: 4092081 (1978-05-01), Schmanski
patent: 4522530 (1985-06-01), Arthur
Hanson Loyal M.
Peterson Gordon L.
Product Research And Development
Smith Scott A.
Watts Douglas D.
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