Lockable and releasable parking space barrier

Details Lockable and releasable parking space barrier Lockable and releasable parking space barrier

1975-10-15

1976-05-18

Griffin, Donald A.

Movable or removable closures

Check or key controlled

49131, E05B 6500, E06B 1100

Patent

active

039568539

ABSTRACT:
To prevent unauthorized use of a private or reserved vehicle parking space, a barrier post is locked in an upright position by a fail-safe lower end shear pin and is releasable for pivoting to a horizontal position at floor level which allows a vehicle to enter or leave the parking space.

REFERENCES:
patent: 3061960 (1962-11-01), Dull
patent: 3417508 (1968-12-01), Sprung
patent: 3680448 (1972-08-01), Ballingall et al.
patent: 3688439 (1972-09-01), Doxsee

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