Joist splice shoe

Details Joist splice shoe Joist splice shoe

1996-07-08

1999-04-27

Safavi, Michael

Static structures (e.g., buildings)

With means for split-prevention or damaged part repair

52712, 52DIG6, 411466, E04C 501, E04G 2302

Patent

active

058967168

ABSTRACT:
A joist splice shoe for repairing damaged lumber joists of residential buildings. The joist splice shoe is a plate made of steel, which is bent to a U-shape when in use, and has unitary prongs provided in the sidewalls except in the middle portions. Each unitary prong has an elongated, curved portion tapering to a penetrating end. Only a single joist splice shoe needs to be installed to repair a damaged lumber joist with ease and a minimum of labor. When placed in position, the sidewall middle portions and the bottom wall envelop the zone of distress of the lumber joist from the bottom, and the prongs are embedded in adjacent undamaged portions of the joist. The tensile and shear stresses acting at the distressed zone are thereby effectively resisted and transmitted to the adjacent undamaged portions.

REFERENCES:
patent: 1669541 (1928-05-01), Spreen
patent: 2877520 (1959-03-01), Jureit
patent: 2973175 (1961-02-01), Appleton
patent: 3225643 (1965-12-01), Couch
patent: 3305252 (1967-02-01), Jureit
patent: 4272938 (1981-06-01), Seipos
patent: 4297048 (1981-10-01), Jureit et al.
patent: 4366659 (1983-01-01), Jensen
patent: 4488389 (1984-12-01), Farmont
patent: 4659604 (1987-04-01), Lambuth
patent: 4738071 (1988-04-01), Ezaro

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