Barrier gate arm

Details Barrier gate arm Barrier gate arm

1987-09-30

1989-03-14

Kannan, Philip C.

Movable or removable closures

With traffic director or controller; e.g., one-way

49141, E01F 1300

Patent

active

048115169

ABSTRACT:
A barrier gate arm useful in controlling exits such as in parking lots is provided comprising a stiffening member, preferably of wood, encased in an extruded sheath, or sleeve made from polycarbonate. The arm provides for easy operation and for a quick repair after the inevitable damage by offending vehicles.

REFERENCES:
patent: 3295556 (1967-01-01), Gertsma et al.
patent: 3686794 (1972-08-01), Sakamoto et al.
patent: 3791072 (1974-02-01), Miller
patent: 3913264 (1975-10-01), Kohen
patent: 4201830 (1980-05-01), Wollen
patent: 4232484 (1980-11-01), Buchmann
patent: 4364200 (1982-12-01), Cobb

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