Stackable modular duct assemblies

Supports – Pipe or cable

Patent

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Details

174 97, 174101, 138 92, 138162, H02G 304

Patent

active

049077678

ABSTRACT:
A duct assembly for enclosing conduits therein comprising a base and a pair of opposing side walls extending substantially perpendicular thereto, and a cover having an intermediate portion with a pair of generally parallel end portions extending substantially perpendicular thereto. The side walls of the base each have a tapered rib extending outwardly therefrom for engaging a U-shaped groove in the end portions of the cover to snap-fit the cover to the base. The ribs and grooves cooperate to provide first and second coupled positions. When the duct assembly is in its first position, a recess is formed for inserting a coupling member therein to join a substantially identical duct assembly thereto in a side by side relation. When the duct assembly is in its second position, the ribs and grooves are secured together to provide a smooth outer surface between the cover and the base. The bottom of each base can be snap fitted to the top of an identical base.

REFERENCES:
patent: 3693664 (1972-09-01), Schmunk
patent: 3727644 (1973-04-01), Kagan
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patent: 4627469 (1986-12-01), Buard
patent: 4627679 (1986-12-01), Billette de Villemeur et al.
patent: 4640314 (1987-02-01), Mock
patent: 4720768 (1988-01-01), Schindele

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