Breakaway coupling and assembly

Details Breakaway coupling and assembly Breakaway coupling and assembly

1976-03-23

1977-02-15

Perham, Alfred C.

Static structures (e.g., buildings)

Frangible section or means

52295, 403 2, 403186, E04B 136

Patent

active

040075648

ABSTRACT:
An improved breakaway coupling is provided which is particularly suitable for use in assemblies which are subject to impact such as roadway lamp standards, highway signs and the like. A number of longitudinal grooves provide fracture-initiating regions which provide relatively high compressive and tensile strength in a fracturable coupling.

REFERENCES:
patent: 1586725 (1926-06-01), Westinghouse
patent: 2018455 (1935-10-01), Lofton
patent: 2858726 (1958-11-01), Robinson
patent: 3044241 (1962-07-01), Snider
patent: 3299767 (1967-01-01), Royer
patent: 3521413 (1970-07-01), Scott
patent: 3630474 (1971-12-01), Minor
patent: 3637244 (1972-01-01), Strizki

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