Device for pole-shaped elements

Details Device for pole-shaped elements Device for pole-shaped elements

1987-01-15

1988-05-31

Leppink, James A.

Road structure, process, or apparatus

Traffic director

Yielding

40608, E01F 901

Patent

active

047477253

ABSTRACT:
Device for a pole-shaped element (1), which is attached against a base (2) adjacent to a ground plane (3) in such a way, that it is released when made subject to a collision within a region adjacent to the base (2). One or a number of straps (4) are arranged extending between a first point of attachment adjacent to the upper portion of the pole-shaped element (1) and a second point of attachment in relation to the ground plane (3), adjacent to the base (2). When the pole-shaped element (1) is made subject to influence from a collision with a vehicle (6), the pole-shaped element (1) is released from the base (2), and due to the strap/the straps (4), which hereby receives an extension exceeding the distance between the first and the second point of attachment, the distance as the pole-shaped element (1) can be thrown over the vehicle (6) is restricted, and the strap/the straps (4) also act as braking means, which during a certain distance reduce the speed of the vehicle (6), and retain same at a point adjacent to the location of collision.

REFERENCES:
patent: 1273607 (1918-07-01), Hawks
patent: 1295316 (1919-02-01), Hines
patent: 2022745 (1935-12-01), Slavin
patent: 2474124 (1949-06-01), Schultz
patent: 3366353 (1968-01-01), Jackson
patent: 3838661 (1974-10-01), Medley, Jr.
patent: 4491438 (1985-01-01), Berutti
patent: 4565466 (1986-01-01), Daggs et al.

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