Security post

Details Security post Security post

1991-03-22

1993-03-09

Britts, Ramon S.

Road structure, process, or apparatus

Traffic director

Yielding

403109, 49 49, 49131, E01F 900

Patent

active

051921596

ABSTRACT:
A security post to be located within an entry to control vehicular access and comprising a tubular member (10) installed below ground with its upper end generally level with the surface, and having a hinged lid (14). A post (17) is slidable vertically within the tubular member (10) and is lockable by means of a key operated lockable handle (18, 19) which rotates to locate a locking bar in one of two vertically spaced slots (15, 16) to lock the post in a lowered or raised position whereby the post may be stowed away below ground when not required.

REFERENCES:
patent: 2315516 (1943-04-01), Gray
patent: 3451164 (1969-06-01), Kappelman
patent: 3564769 (1971-02-01), Wilson et al.
patent: 3660935 (1972-05-01), Boots
patent: 3698135 (1972-10-01), Boots et al.
patent: 4003161 (1977-01-01), Collins
patent: 4715742 (1987-12-01), Dickinson
patent: 4862656 (1989-09-01), Kelly
patent: 5033905 (1991-07-01), Schmidt et al.

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