Vehicle-stopping device for safety barriers

Details Vehicle-stopping device for safety barriers Vehicle-stopping device for safety barriers

1979-04-12

1981-09-22

Byers, Jr., Nile C.

Fences

Highway guard

404 6, E61F 1500

Patent

active

042905850

ABSTRACT:
A barrier for highway traffic of the type designed to bring a vehicle to standstill and avoid contact with a roadside hazard, e.g. a post, abutment or pylon, comprises an array of upstanding posts adapted to cushion the impact and increasing in number and height in the direction of travel of the vehicle toward the barrier to impose increasing resistance to traveling. The posts each comprise an upper and a lower section or portion in the form of tubes of which the lower tube is set into the ground while the upper tube is composed of thin sheet metal lined with or filled by a cushioning material such as a foamed synthetic resin. The two tubes or sections of each post are interconnected by a cast iron link which is designed to shear at ground level in part dissipating the kinetic energy of the vehicle. The upper tubes of the array are interconnected by chains.

REFERENCES:
patent: 2088087 (1937-07-01), Hudson
patent: 3141655 (1964-07-01), Platt
patent: 3307833 (1967-03-01), Muller
patent: 3693940 (1972-09-01), Kendall
patent: 3717326 (1973-02-01), Leach
patent: 3845936 (1974-11-01), Boedecker
patent: 3856268 (1974-12-01), Fitch
patent: 3881697 (1975-05-01), Glaesener
patent: 3963218 (1976-06-01), Glaesener

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