A crowd control barrier is formed by a plurality of congruent rectangular fence panels joined end to end by pins in a plurality of sleeves secured to panel end posts in axi-ally aligned vertically staggered relation. A knee brace secured to adjacent panel end posts by cooperating knee brace sleeves stabilizes the barrier in cooperation with a base platform hingedly connected longitudinally with each fence panel opposite the knee brace on which pedestrians stand when adjacent the fence panels.
申请公布号
US5779227(A)
申请公布日期
1998.07.14
申请号
US19970806273
申请日期
1997.02.25
申请人
ELKINS, R. WAYNE;CHILDERS, LANCE K.;HARDCASTLE, RANDAL S.
发明人
ELKINS, R. WAYNE;CHILDERS, LANCE K.;HARDCASTLE, RANDAL S.