Safety locking device for collapsible barricade for streets and

Details Safety locking device for collapsible barricade for streets and Safety locking device for collapsible barricade for streets and

1989-09-13

1992-01-21

Cuomo, Peter M.

Fences

Rail

Braced

182153, 182225, 04H 1700, 16M 1100, E04H 1700, F16M 1100

Patent

active

050822497

ABSTRACT:
A rotatable locking device composed of a flexible plastic material is disposed adjacent the end portions of each pair of legs for barricade structure for streets and highways. The locking device can be rotated into an operating position where it bears against the tips of the end portions of the legs when extended and so locks them into place to thereby keep the legs extended during harsh weather conditions and when the barricade is subjected to repeated gusts of winds from passing trucks. When the barricade is suddenly impacted, however, the end portions of the leg members will spring free from the locking devices owing to elastic deformation or "forgiveness" of the flexible plastic material that comprises both locks and legs to thereby allow the leg members of the barricade to fold or collapse to a safe position.

REFERENCES:
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patent: 4778250 (1988-10-01), McRoskey et al.
patent: 4875797 (1989-10-01), Hartwig
patent: 4880080 (1989-11-01), Brockman

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