Crowd control barrier

Details Crowd control barrier Crowd control barrier

1994-07-20

1995-09-26

Britts, Ramon S.

Road structure, process, or apparatus

Traffic steering device or barrier

256 131, E01F 1300

Patent

active

054529638

ABSTRACT:
A portable crowd control barrier for use in sporting or entertainment events having lightweight body members formed of a resiliently deformable material and each defining an interior chamber and having slots formed in endwalls thereof to receive wooden studs such that the introduction of liquid into the interior chambers deforms the body members, clamping the walls of the slots against the studs and locking the system in place.

REFERENCES:
patent: 4681302 (1987-07-01), Thompson
patent: 4773629 (1988-09-01), Yodock
patent: 4854767 (1989-08-01), Sasaki
patent: 4869617 (1989-09-01), Chiodo
patent: 5011325 (1991-04-01), Antonioli
patent: 5123773 (1992-06-01), Yodock
patent: 5387049 (1995-02-01), Duckett

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