Low profile break safe breakaway system

Details Low profile break safe breakaway system Low profile break safe breakaway system

1982-09-30

1985-07-16

Murtagh, John E.

Static structures (e.g., buildings)

Frangible section or means

52296, 52704, 403 2, E04B 100, F16D 900

Patent

active

045287864

ABSTRACT:
A low profile break safe breakaway system is described for mounting a post or the like in a vertical position on a footing. The system includes load concentrating elements on brackets disposed on opposite sides of the post to be supported. Breakaway members are provided which cooperate with the load concentrating elements and which are threadedly inserted into anchors which are embedded in the footing. The anchors include steel bar loops which extend downwardly into the footing and internally threaded elements at the upper ends of the anchors. Annular collars are provided at the upper ends of the anchor internally threaded members at the surface of the footing to prevent shattering of the footing concrete on application of bending moments of the coupling members.

REFERENCES:
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patent: 3951566 (1976-04-01), Strizki
patent: 3967906 (1976-07-01), Strizki
patent: 4007564 (1977-02-01), Chisholm
patent: 4032098 (1977-06-01), Marschak
patent: 4084362 (1978-04-01), Piazza
patent: 4095381 (1978-06-01), Garchinsky

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