Movable or removable closures – With traffic director or controller; e.g. – one-way
Patent
1989-12-15
1990-07-17
Kannan, Philip C.
Movable or removable closures
With traffic director or controller; e.g., one-way
49 25, 49340, 49343, E05F 1300
Patent
active
049412841
ABSTRACT:
A parking barrier that is remotely controlled and includes a vertically, pivotally mounted post having an L-shaped arm secured at one end thereof to the post and projecting outwardly therefrom, lying in a generally horizontal plane. The post is positioned at or near one of the boundary lines of a defined parking space and the post may be moved through an arc from one position to another wherein the L-shaped arm, in one position, projects into the parking space preventing unauthorized parties from using that space for parking a vehicle. In the other position, the L-shaped arm overlies two adjoining boundary lines or in proximity thereto, allowing a vehicle to park in the designated space. The pivotally mounted post is mounted on a base that is weighted down by a curb stone so that no modification need be needed to the surface of the parking area. The curb stone is detachably connected (by suitable security devices) to the base plate thereby making the unit itself portable for moving from one site to another. Preferably the apparatus is connected to an electrical power supply through wiring (normally underground) but if need be, a battery can be located in a housing on the base which encloses the post drive mechanism.
REFERENCES:
patent: 2657486 (1953-11-01), Sweetser
patent: 3589066 (1971-06-01), Fisher
patent: 3688439 (1972-09-01), Doxsee
patent: 3913264 (1975-10-01), Kohen
patent: 4062149 (1977-12-01), Collins
patent: 4457105 (1984-07-01), Danin
patent: 4472908 (1984-09-01), Wanzl et al.
patent: 4641459 (1987-02-01), Mesa
patent: 4658543 (1987-04-01), Carr
patent: 4713910 (1987-12-01), Quante
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