Expansion clip on a ceiling runner

Details Expansion clip on a ceiling runner Expansion clip on a ceiling runner

1981-12-14

1986-04-08

Kelly, Donald G.

Static structures (e.g., buildings)

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

Fabric or lattice; e.g., indeterminate grating

52488, 52573, 52665, 403346, E04B 552, E04B 119

Patent

active

045803862

ABSTRACT:
The invention provides a slot in the runner and lugs on a clip to allow sliding contact between the runner and the clip. This allows for expansion of the runner during a fire condition. The clip is fastened to the vertical web of an adjacent runner to fasten the runner structures together. Normally, a clip is provided on each end of one runner structure and it is mounted between two rigidly positioned other runner structures and the runner with the clips is capable of expansion and contraction under fire conditions without buckling.

REFERENCES:
patent: 2351127 (1944-06-01), Hodson
patent: 3175655 (1965-03-01), Brown
patent: 3294428 (1966-12-01), Lickliter
patent: 3722933 (1973-03-01), Nute
patent: 3898782 (1975-08-01), Donato
patent: 4011707 (1977-03-01), Nute

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