Ceiling suspension structure adapted for unopposed intersections

Details Ceiling suspension structure adapted for unopposed intersections Ceiling suspension structure adapted for unopposed intersections

1989-10-13

1991-09-03

Safavi, Michael

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Fabric or lattice; e.g., indeterminate grating

52484, 52488, 52664, E04B 906

Patent

active

050441388

ABSTRACT:
A suspended ceiling structure adapted for unopposed intersections wherein the webs of the main grid runners adjacent the cross runner slots are provided with embossments which strengthen the web and contain the cross runner end connector against withdrawal. It is preferred that the embossments are placed at each side of the cross runner slots. The cross runner end connectors have tabs bent laterally from the longitudinal axis of the cross runners with the rearward edge of the tab bearing against the face of the main runner web, whereby upon the application of a pull out force, the tab edge bends outwardly until it presses against the ends of the embossments. This unopposed intersection structure is commonly referred to in the art as an "ashlar" condition or configuration.

REFERENCES:
patent: 3308288 (1967-03-01), Ades
patent: 4108563 (1978-08-01), Brown et al.
patent: 4548013 (1985-10-01), Briceno

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