Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1995-09-26
1997-03-18
Lisehora, James A.
Road structure, process, or apparatus
Traffic steering device or barrier
404 7, 256 1, E01F 1302
Patent
active
056116411
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 end walls 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: D349738 (1994-08-01), Naegele, III et al.
patent: 2794375 (1957-06-01), Di Falco
patent: 3822954 (1974-07-01), Ansgariusson
patent: 4380327 (1983-04-01), Fish
patent: 4681302 (1987-07-01), Thompson
patent: 4854767 (1989-08-01), Sasaki
patent: 4943035 (1990-07-01), Thomson et al.
patent: 5208585 (1993-05-01), Sprague
patent: 5213312 (1993-05-01), MacDonald
patent: 5269623 (1993-12-01), Hanson
patent: 5460353 (1995-10-01), Rittenhouse
LandOfFree
Crowd control barrier system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Crowd control barrier system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Crowd control barrier system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1701424