Static structures (e.g. – buildings) – Frangible section or means
Patent
1976-07-29
1977-10-11
Purser, Ernest R.
Static structures (e.g., buildings)
Frangible section or means
52295, 403 2, 403186, E04B 136
Patent
active
040528260
ABSTRACT:
An upright standard assembly for failing when subjected to horizontal impact forces while solidly supporting an upright standard under normal conditions. The assembly includes a generally vertical standard, a base member, a connection member to releasably attach the standard to the base member, at least one fracture initiating slot formed in the coupling body, and a washer having one or more teeth formed therein for receipt by the fracture-initiating slot(s) of the coupling body. The washer is made of harder material than the coupling body, and has a smooth bore extending therethrough so that no positive holding action is provided between it and the connection member extending therethrough. The coupling body also does not have any threads formed on the portion thereof between the longitudinal termination of the slot(s) and the connection member receiving end thereof.
REFERENCES:
patent: 1372238 (1921-03-01), Kreiter
patent: 1604122 (1926-10-01), Hosking
patent: 3349531 (1967-10-01), Watson
patent: 3381427 (1968-05-01), Watson
patent: 3630474 (1971-12-01), Minor
patent: 3637244 (1972-01-01), Strizki
Farber Robert C.
Purser Ernest R.
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