Intumescent cover for a poke-through assembly

Details Intumescent cover for a poke-through assembly Intumescent cover for a poke-through assembly

2007-05-24

2009-08-04

Estrada, Angel R (Department: 2831)

Electricity: conductors and insulators

Wall mounted

Conduit and housing

C174S481000, C174S488000, C220S003200, C220S003300, C052S220100, C052S220800

Reexamination Certificate

active

07569776

ABSTRACT:
One aspect of the present invention provides a poke-through assembly for installation in a hole in a floor structure. The floor structure defines a floor in a first working environment and a ceiling in a second working environment. The poke-through assembly includes at least one intumescent member and an intumescent cover assembly. The intumescent member being disposed at least partially within the hole in the floor structure. Also, the intumescent cover assembly including a base plate and a retainer member. The base plate supports the intumescent member and the retainer limits and/or restricts expansion of the intumescent member. Further, the retainer is adjustably secured to the base plate in a plurality of positions.

REFERENCES:
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U.S. Appl. No. 11/752,964, filed May 24, 2007, titled “Intumescent Cover for a Poke-Through Assembly” and assigned to Thomas & Betts International, Inc.

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