Pull out extension contained in electrical box

• US 7,757,875 B2
• Filed: 06/23/2006
• Issued: 07/20/2010
• Est. Priority Date: 08/31/2005
• Status: Active Grant

• Current Assignee: Thomas & Betts International LLC (ABB Limited)
• Original Assignee: Thomas & Betts International Incorporated (ABB Limited)
• Inventors: Lalancette, Daniel, Lupsa, Ioan Liviu
• Primary Examiner(s): Stashick; Anthony
• Assistant Examiner(s): ELOSHWAY, NIKI MARINA
• Application Number:
  US11/475,570
• Publication Number:
  US 20070045308A1
• Time in Patent Office: 1,488 Days
• Field of Search: 220/4.02, 220/4.03, 220/4.26, 220/62, 220/3.7, 220/3.94
• US Class Current: 220/4.02
• CPC Class Codes: H02G 3/086 Assembled boxes

Abstract

An electrical outlet box extension comprising a perimetrical side wall with an inner surface and an outer surface having an open front face and an open rear face and defining an interior space, and having at least one outwardly protruding resilient tab located on the side wall outer surface. The box extension is designed for adjustable insertable receipt within an electrical outlet box for increasing the depth of the box.

Claims

1. An electrical outlet box assembly comprising:

an electrical outlet box including a box having a back wall, a perimetrical side wall surrounding said back wall defining an open front face and a box interior, said side wall having at least two cavities thereon and a plurality of spaced apart cavities on said side wall; and

an extension including a perimetrical side wall with an inner surface and an outer surface having an open front face and an open rear face and defining an interior space, having at least one resilient tab located on said side wall outer surface, said resilient tab further having an outwardly protruding lip resiliently positionable in and adapted to cooperatively engage either of said at least two cavities or one of said plurality of cavities of said outlet box for insertably accommodating and adjustably positioning said extension in and with respect to said box.

2. An electrical outlet box assembly of claim 1 wherein said box and said extension have a generally rectangular configuration.

3. An electrical outlet box assembly of claim 2 wherein said extension is formed from flat sheet metal folded into said rectangular configuration.

4. An electrical outlet box assembly of claim 3 wherein said flat sheet metal is joined by a dovetail joint.

5. An electrical outlet box assembly of claim 3 wherein said sheet metal is joined by overlapping interwoven tabs.

6. An electrical outlet box assembly comprising:

an electrical outlet box including a box having a back wall, a perimetrical side wall surrounding said back wall defining an open front face and a box interior, said side wall having a plurality of spaced apart cavities thereon; and

an extension including a perimetrical side wall with an inner surface and an outer surface having an open front face and an open rear face and defining an interior space, having at least one resilient tab located on said side wall outer surface, said resilient tab further having an outwardly protruding lip, wherein said at least one resilient tab of said extension is resiliently positionable and adapted to cooperatively engage one of said plurality of spaced apart cavities of said outlet box for insertably accommodating and adjustably positioning said extension in and with respect to said box.

7. An electrical outlet box assembly of claim 6 wherein said box and said extension have a generally rectangular configuration.

8. An electrical outlet box assembly of claim 7 wherein said extension is formed from flat sheet metal folded into said rectangular configuration.

9. An electrical outlet box assembly of claim 8 wherein said flat sheet metal is joined by a dovetail joint.

10. An electrical outlet box assembly of claim 8 wherein said sheet metal is joined by overlapping interwoven tabs.