Knot for the connection of pillars and girders in spatial frames

Details Knot for the connection of pillars and girders in spatial frames Knot for the connection of pillars and girders in spatial frames

1991-08-07

1993-11-09

Friedman, Carl D.

Static structures (e.g., buildings)

Intersection of a cast stonelike component

Cast reinforced vertical and horizontal members

52253, 52259, 52260, E04B 519

Patent

active

052591603

ABSTRACT:
A knot for connecting pillars and girders includes a first member adapted to be mounted on a pillar, and a plurality of second members which are each adapted to be connected to a respective girder. The number of second members is equal to the number of girders to be coupled with the pillar. The first member is made up of an upper plate and a lower plate that are coaxial and vertically spaced with respect to each other. These plates each have a number of sides equal to the number of the girders that converge onto the knot. The first member has a first coupling. The lower and upper plates are vertically coupled to each other by joining tongues which have second couplings. The second member has first and second horizontal plates which are vertically spaced from each other, and these plates are provided with a third coupling that couples with the first coupling of the first member. The first and second plates are joined by a transverse vertical plate and a longitudinal vertical plate. The longitudinal vertical plate has a fourth coupling that couples with the second coupling.

REFERENCES:
patent: 1461891 (1922-02-01), Coney
patent: 1625899 (1927-04-01), Lally
patent: 2834196 (1958-05-01), Donahue et al.
patent: 3261135 (1966-07-01), Knabe
patent: 3374592 (1968-03-01), Cheskin
patent: 4211045 (1980-07-01), Korumi et al.
patent: 4333285 (1982-06-01), Koizumi et al.
patent: 5123220 (1992-06-01), Simenoff
patent: 5174080 (1992-12-01), Yoshimura et al.

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