Fire-rated expansion joint having three degrees of freedom

Details Fire-rated expansion joint having three degrees of freedom Fire-rated expansion joint having three degrees of freedom

1989-12-13

1990-07-24

Scherbel, David A.

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Separator inserted prior to or during pouring of two...

52464, 52468, 52573, 404 68, E04B 156

Patent

active

049427105

ABSTRACT:
An expansion joint assembly for use between elongated, adjacent, relatively shiftable, joint-defining structural sections (e.g., floor sections) is provided which exhibits three degrees of freedom for accommodating essentially all relative movement of structural members. The preferred assembly is fire-rated and includes a pair of elongated metallic supports adapted for fixed attachment to a corresponding structural section adjacent an expansion joint, together with an elongated, flexible, U-shaped bridging member. Connection between the bridging member and the supports is provided by means of interfitted, longitudinally shiftable U-shaped elements respectively secured to the supports and the adjacent edges of the bridging member. The metallic supports preferably include abutment structure overlying a corresponding interfitted pair of connection elements, in order to maintain the elements in their proper orientation, even in the event of vertical shifting of the structural sections.

REFERENCES:
patent: 3300913 (1967-01-01), Patry et al.
patent: 3375621 (1968-04-01), Curtis et al.
patent: 3394639 (1968-07-01), Viehmann
patent: 3447430 (1969-06-01), Gausepohl
patent: 4359847 (1982-11-01), Schukolinski
patent: 4663894 (1987-05-01), LaRoche et al.
patent: 4706426 (1987-11-01), Rumsey

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