Slalom pole

Details Slalom pole Slalom pole

1984-01-09

1986-05-13

Novosad, Stephen J.

Road structure, process, or apparatus

Traffic director

Yielding

404 9, E01F 901

Patent

active

045883246

ABSTRACT:
A pole which is adapted to be supported in the ground, includes a lower part to be placed in the ground and an upper part extending upwardly above the ground. The upper part is adapted to pivot against the lower part when subjected to an impact force from any direction. The pole includes restoring means for returning the upper portion of the pole to its normally aligned upward position following cessation of the force.

REFERENCES:
patent: 1250064 (1917-12-01), Whims
patent: 1726817 (1929-09-01), Franklin
patent: 2050579 (1936-08-01), Murray
patent: 2286959 (1942-06-01), Haines
patent: 2949324 (1960-08-01), Birge et al.
patent: 3279133 (1966-10-01), De Korte
patent: 3478715 (1969-11-01), Asbury
patent: 3698144 (1972-10-01), Stratton
patent: 4073254 (1978-02-01), Marker
patent: 4270873 (1981-06-01), Laehy et al.
patent: 4491438 (1985-01-01), Berutti

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