Barrier device for the temporary blocking of a roadway

Details Barrier device for the temporary blocking of a roadway Barrier device for the temporary blocking of a roadway

1986-12-18

1988-10-04

Massie, Jerome

Road structure, process, or apparatus

Traffic steering device or barrier

49 33, 49 49, 49131, E01F 1300

Patent

active

047752610

ABSTRACT:
A vehicle barrier device 10 for the temporary blocking of a roadway 12 comprises blocking elements 20, 22, 24, 25 with joined conter-elements 26, 28, 30, 31. The blocking elements 20, 22, 24, 25 are pivotable around axles extending parallel to the main direction of the roadway 12 and are arranged either in the main flush with the roadway 12 or can be swung out of it. The barrier elements 20, 22, 24, 25 are inserted exchangeably into a frame 132 which is set into a pit 128 present in the roadway 12.

REFERENCES:
patent: 1203006 (1916-10-01), Keenan
patent: 1356922 (1920-10-01), Keenan
patent: 1365165 (1921-01-01), Garcia
patent: 1497073 (1924-06-01), Doyle
patent: 1579125 (1926-03-01), Marshall et al.
patent: 3805448 (1974-04-01), Carr et al.
patent: 4490068 (1984-12-01), Dickinson
patent: 4577991 (1986-03-01), Rolow

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