Explosion venting wall structure with releasable fastener means

Details Explosion venting wall structure with releasable fastener means Explosion venting wall structure with releasable fastener means

1976-03-15

1977-06-07

Perham, Alfred C.

Static structures (e.g., buildings)

Controlled by condition responsive means

49141, 52 98, E04H 902, E04H 914

Patent

active

040274365

ABSTRACT:
An explosion venting wall structure incorporating a releasable fastener means. The fastener means comprises a fastener member having a substantially circular body with an opening therethrough, and at least two offset arms extended radially outward from said tubular body. The fastener member circular body is adapted to be disposed in a circular opening in a wall structure, with the offset arms overlapping the opening edge and seated against the wall surface, and with a screw or other retainer means provided for extension through the circular body opening and through said opening in the wall and into securing engagement with a building structural support member. The offset arms are adapted to be folded over or collapsed simultaneously by explosion or windload pressures exerted on the wall structure to permit said circular body with its folded over arms to be passed through said opening in the wall structure and allow the wall structure to be separated from the building structural support member and fall to the ground.

REFERENCES:
patent: 1473910 (1923-11-01), Lambert
patent: 2238945 (1941-04-01), Powell
patent: 2931471 (1960-04-01), Howard, Jr.
patent: 3157966 (1964-11-01), Sherburne
patent: 3775915 (1973-12-01), Chambers et al.
patent: 3807106 (1974-04-01), Reinhardt

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