Security and defense barrier

Details Security and defense barrier Security and defense barrier

1985-12-19

1987-11-10

Leppink, James A.

Road structure, process, or apparatus

Traffic steering device or barrier

49 33, 49131, E01F 1300

Patent

active

047054263

ABSTRACT:
A security and defense barrier which comprises a vault buried within and transverse to the roadway. The vault has within a latched plurality of barrier arms that may be raised by any powered means, or manually, and the raised barrier arms being positioned within the vault so that impact forces are transmitted directly to the vault, and to a foundation, and little or no load is supported by a pivoting mechanism. Being very strong, the barrier can be made capable of stopping a speeding vehicle. The raised barrier arms have a hook on the end so that a speeding vehicle attacking the barrier will be snagged, and prevented from inadvertently or intentionally vaulting the barrier.

REFERENCES:
patent: 1960376 (1934-05-01), Gilman
patent: 3266013 (1966-08-01), Schmidt
patent: 3805448 (1974-04-01), Carr et al.
patent: 4158514 (1979-06-01), Dickinson
patent: 4318079 (1982-03-01), Dickinson
patent: 4332503 (1982-06-01), Hurst, Jr.
patent: 4354771 (1982-10-01), Dickinson
patent: 4490068 (1984-12-01), Dickinson
patent: 4577991 (1986-03-01), Rolow
patent: 4624600 (1986-11-01), Wagner et al.

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