Arrangement with a device pivoting between two positions such as

Details Arrangement with a device pivoting between two positions such as Arrangement with a device pivoting between two positions such as

1993-07-27

1995-08-08

Kannan, Philip C.

Movable or removable closures

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

49131, 49334, 49338, E01F 1300

Patent

active

054387990

ABSTRACT:
An arrangement with a barrier device pivoting between a position preventing the access to a reserved area and an access clearing position, comprising two bow-shaped pivot arms, a drive device for pivoting the barrier device and means for actuating this drive device, wherein the drive device comprises a lever with two arms of different lengths which is mounted for swinging about a pivot device, the short arm being connected to the barrier device for pivoting same when the lever is pivoting about said pivot device whereas the actuating device acts upon the end of the long arm, the invention being applicable to barrier arrangements for car parking places.

REFERENCES:
patent: 2637920 (1953-05-01), Stratton
patent: 3673734 (1972-07-01), Goldberg
patent: 3748782 (1973-07-01), Reynolds
patent: 4658543 (1987-04-01), Carr
patent: 4858382 (1989-08-01), Ellgass
patent: 4861185 (1989-08-01), Eikelenboon
patent: 4879554 (1989-11-01), Diaz-Silveira
patent: 4901071 (1990-02-01), Fletcher

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