Traffic control device

Details Traffic control device Traffic control device

1974-03-04

1976-06-15

Byers, Nile C.

Road structure, process, or apparatus

Traffic director

Yielding

E01F 900

Patent

active

039633632

ABSTRACT:
A pop up traffic control device stored in a cavity in the roadway when not in use and elevated to a predetermined height above the roadway by remote control when traffic control is required. The control device is attached to a follower which is engaged in the thread of a screw member. The screw member is caused to rotate by a remote signal thus causing the control member to be elevated.

REFERENCES:
patent: 2649341 (1953-08-01), Stepler
patent: 2910270 (1959-10-01), Schultz
patent: 3447429 (1969-06-01), Bowersox
patent: 3530775 (1970-09-01), Bowersox

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