Structure of gate barrier

Details Structure of gate barrier Structure of gate barrier

1998-11-12

1999-12-07

Lisehora, James A.

Road structure, process, or apparatus

Traffic steering device or barrier

256 2, 256 131, E01F 1306

Patent

active

059972114

ABSTRACT:
A gate barrier includes two parallel posts, a folding collapsible barrier pivoted to one post and turned by a power drive to close/open the passage way between the posts, wherein the folding collapsible barrier has a barbed bottom rail which is supported on the ground to prevent vehicles from passing when the folding collapsible barrier is turned to a horizontal position to close the passage way.

REFERENCES:
patent: 4016679 (1977-04-01), Ellefson
patent: 4318079 (1982-03-01), Dickinson
patent: 5288164 (1994-02-01), Nasatka

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