Breakaway utility pole

Details Breakaway utility pole Breakaway utility pole

1989-04-03

1990-05-01

Scherbel, David A.

Static structures (e.g., buildings)

Footing or foundation type

Socket

52704, 404 10, E02D 2742

Patent

active

049207156

ABSTRACT:
A breakaway utility pole (9, 109) mounting structure. The mounting structure presents a base portion (11', 16 or 20) within which the end portion (10, 110) of the pole (9, 109) is telescopically received. The base portion (11', 16 or 20) of the mounting structure extends below ground level, and an adhesive material (17, 117) bonds the pole end portion (10, 110) to the base portion (11', 16 or 20). The adhesive material (17, 117) is adapted to fail when the pole (9, 109) is subjected to an impact at a predetermined distance above ground level from a vehicle of predetermined minimum weight moving at a predetermined minimum speed.

REFERENCES:
patent: 680342 (1901-08-01), Martin
patent: 708087 (1902-09-01), Smith
patent: 3193059 (1965-07-01), Wallerstein
patent: 3403520 (1968-10-01), Goodman
patent: 4343567 (1982-08-01), Sarver et al.
patent: 4388787 (1983-06-01), Milbright
Epoxy Resins by H. Lee and K. Neville, 1957, pp. 166-172.

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