Electricity: conductors and insulators – Overhead – Towers – poles or posts
Reexamination Certificate
1999-11-02
2001-10-23
Reichard, Dean A. (Department: 2831)
Electricity: conductors and insulators
Overhead
Towers, poles or posts
C174S050000, C174S053000, C439S650000, C052S220800, C220S003800
Reexamination Certificate
active
06307152
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a poke-through floor fitting to enable access to both electrical outlets and telecommunication connections. More specifically, the present invention relates to a fire-rated poke-through floor fitting for use in a three-inch diameter bore and having four electrical outlets and four voice/data jacks while maintaining a low profile.
BACKGROUND OF THE INVENTION
Typically, fire-rated poke-through fittings provide a floor receptacle for electrical outlets and/or for telecommunication access. Generally, these poke-through fittings are mounted in a core-drilled, three inch diameter hole, which is commonly formed in a concrete floor.
Due to the three inch diameter of the bore used for the typical poke-through fittings, the size of the typical fitting is inherently constrained, especially if it is desired to keep the fitting as close to the floor as possible, i.e., if it is desired to keep the fitting relatively flat with a low profile. Recently, the consistently increasing need for additional electrical outlets and telecommunication access at each workstation has made the prior art fittings deficient due to the limited number of electrical outlets and the limited amount of telecommunication access. This is especially true when a low profile, but easily accessible fitting is desired.
Examples of prior art fittings are disclosed in the following U.S. patents: U.S. Pat. No. 4,770,643 to Castellani et al.; U.S. Pat. No. 4,323,724 to Shine; U.S. Pat. No. 5,008,491 to Bowman; U.S. Pat. No. 5,442,434 to Wuertz et al.; U.S. Pat. No. 5,393,930 to Wuertz; U.S. Pat. No. 5,272,278 to Wuertz; U.S. Pat. No. 5,237,128 to Wuertz; U.S. Pat. No. 5,220,131 to Wuertz; U.S. Pat. No. 5,121,594 to Wuertz; U.S. Pat. No. 4,433,204 to Wuertz; U.S. Pat. No. 4,336,416 to Goodsell; U.S. Pat. No. 4,243,835 to Ehrenfels; U.S. Pat. No. 5,410,103 to Wuertz; U.S. Pat. No. 4,496,790 to Spencer; U.S. Pat. No. 4,922,668 to Payne; and U.S. Pat. No. 4,266,266 to Sanner, the disclosures of which are incorporated herein by reference.
SUMMARY OF THE INVENTION
Accordingly, an object of this invention is to provide an improved poke-through floor fitting.
Another object of this invention is to provide an improved poke-through floor fitting with increased electrical connections and increased telecommunication access.
Still another object of the invention is to provide a poke-through floor fitting with a low profile that is easily accessible.
Yet another object of this invention is to provide a poke-through floor fitting having two pairs of electrical outlets that are each electrically connected to a different electrical source.
The foregoing objects are basically obtained by providing a fitting comprising an electrical receptacle being sized to fit within an approximately three inch diameter substantially circular opening; a first pair of electrical outlets coupled to the electrical receptacle; a second pair of electrical outlets coupled to the electrical receptacle; and first, second, third, and fourth voice/data outlets coupled to the electrical receptacle.
The foregoing objects are further obtained by providing a fitting comprising: an electrical receptacle; a first pair of electrical outlets coupled to the electrical receptacle and electrically connected to a first electrical source by a first set of electrical wires; a second pair of electrical outlets coupled to the electrical receptacle and electrically connected to a second electrical source by a second set of electrical wires; and at least one voice/data outlet coupled to the electrical receptacle.
The foregoing objects are still further obtained by providing a fitting comprising: an electrical receptacle; at least one electrical outlet coupled to the electrical receptacle; at least one voice/data jack coupled to the electrical receptacle; a cover coupled to the electrical receptacle, the cover having a top planar surface and at least one access opening for accessing the at least one electrical outlet and the at least one voice/data jack through the cover; and the at least one electrical outlet having an uppermost surface and the at least one voice/data jack having an uppermost surface, and the uppermost surface of the at least one electrical outlet and the at least one voice/data jack being substantially flush with or below the top planar surface of the cover.
Other objects, advantages, and salient features of the invention will become apparent from the following detailed description which, taken in conjunction with the annexed drawings, discloses a preferred embodiment of the invention.
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Wiremold Walker RCI Poke-Thrus, RC2001; Walker advertisement; Aug. 1997.
Hubbell Wiring Device—Kellems, Hubbell advertisement, Category 5/Power Flush Fire Rated Poke Through Fitting, Apr. 1998.
RACO Electrical Products R-192 Catalog, published prior to Oct. 1998, p. C3.
Hubbell Premise Wiring, Inc., Catalog #1100R, published prior to Oct. 1998, pp. 122 and 133.
Hubbell Wiring Devices & Systems—Kellems Wire Management—Marine Wiring Products Catalog #2000, 1995, pp. K-17 and K-80 through K-88.
Bonilla Nelson
Katwala Rajiv D.
'Hubbell Incorporated
Bicks Mark S.
Goodman Alfred N.
Howell Jeffrey J.
Patel Dhiru R.
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