Installation Bracket for Electrical Box, Electrical Box Assembly, and Method of Use

• US 20080093121A1
• Filed: 10/16/2007
• Published: 04/24/2008
• Est. Priority Date: 10/18/2006
• Status: Abandoned Application

• Current Assignee: General Cable Technologies Corporation (General Cable Corporation)
• Original Assignee: Alcan Incorporated (Alcan)
• Inventors: Webb, Ronald
• Application Number:
  US11/873,209
• Publication Number:
  US 20080093121A1
• Time in Patent Office: Days
• US Class Current: 174/502
• CPC Class Codes: H02G 1/00 Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines

Abstract

Installation brackets facilitate securing of electrical boxes during building construction, for example within an internal cavity of a partition. Disclosed herein are installation brackets to which can be mounted electrical boxes of various sizes or depths, as well as electrical box assemblies including such installation brackets.

Claims

1. An installation bracket for mounting an electrical box to a partition comprising a front wall and a rear wall defining therebetween an interior space, the installation bracket comprising:

a mounting plate having an opening of sufficient size to receive therethrough an electrical device;

at least one stud or floor attachment means each for securing the installation bracket to at least one stud or floor, thereby to position the mounting plate alongside a rear face of the front wall in said interior space; and

at least one mounting flange on at least one side of said opening in said mounting plate, each mounting flange extending from said mounting plate toward said rear wall, for mounting thereupon an electrical box, each mounting flange defining at least two electrical box anchor positions located at different distances toward said rear wall from a plane of said mounting plate, said installation bracket thereby accommodating electrical boxes of varying depths within the interior space of the partition.

2. The installation bracket of claim 1, wherein each mounting flange defines at least two fastener apertures or at least one fastener slot for receiving at least one corresponding fastener therethrough for mounting an electrical box to each mounting flange, thereby to define said at least two anchor positions.

3. The installation bracket of claim 1, wherein said at least one mounting flange includes two opposing mounting flanges arranged on opposite sides of said opening in said mounting plate, and extending from said mounting plate toward said rear wall, for mounting therebetween an electrical box.

4. The installation bracket of claim 3, wherein the two opposing mounting flanges, or portions thereof, are moveable relative to one another to increase or decrease a distance therebetween, thereby to accommodate mounting of electrical boxes of varying widths or heights.

5. The installation bracket of claim 4, wherein the two opposing mounting flanges, or portions thereof, are slidably mounted to said mounting plate, such that they remain substantially perpendicular to a plane of the mounting plate and substantially parallel to one another, during relative movement thereof.

6. The installation bracket of claim 4, wherein the mounting plate comprises two distinct mounting plate sections, each integral with one of said opposing mounting flanges, said mounting plate sections being moveable relative to one another to vary a distance between the mounting flanges, such that the mounting flanges remain substantially perpendicular to said front wall, and substantially parallel to one another, during relative movement thereof.

7. The installation bracket of claim 6, wherein the mounting plate sections are slidably mounted to one another thereby to increase or decrease a distance between the mounting flanges.

8. The installation bracket of claim 1, wherein each of said at least two anchor positions are defined by at least one slot in each of said mounting flanges, each slot extending substantially perpendicularly to each mounting plate and adapted to receive therethrough a fastener for attachment to an electrical box.

9. The installation bracket of claim 8, wherein each mounting flange includes two slots running substantially parallel to one another, such that an electrical box may be slidably mounted by fasteners to the installation bracket, and selectively secured in a desired position relative to the mounting plate by tightening said fasteners in said slots.

10. The installation bracket of claim 1, wherein the mounting plate and each mounting flange are formed from a metallic sheet, each mounting flange being formed my bending a portion of the metallic sheet substantially perpendicular to a main plane of the sheet.

11. The installation bracket of claim 1, wherein the opening in the mounting plate is of sufficient size to receive therethrough said electrical box.

12. The installation bracket of claim 11, wherein the opening in the mounting plate is slightly larger than said electrical box, so that the electrical box is slidable through the opening to a desired depth in the interior space prior to securing of the electrical box to the installation bracket via the at least one mounting flange.

13. An electrical box assembly comprising:

(1) the installation bracket of any one of claims 1 to 12;

(2) an electrical box for mounting to the mounting flange(s) of the installation bracket; and

(3) a plurality of fasteners to fasten components (1) and (2) together.

14. The electrical box assembly of claim 13, wherein the electrical box comprises a back plate portion and an annular extender, thereby to define an interior space open on an open side of said electrical box opposite said back plate and adjacent said installation bracket.

15. The electrical box of claim 14, wherein said back plate is selectively removable from said side walls to permit access to said interior of the electrical box on a side opposite said open side.

16. A method of securing an electrical box within an interior space of a partition including a front wall and a rear wall to define said interior space, the method comprising the steps of:

mounting the installation bracket of claim 1 to a stud or floor; and

mounting the electrical box to the mounting flange(s) of the installation bracket.

17. The method of claim 16, wherein the step of mounting the electrical box comprises:

slidably mounting the electrical box to the mounting flange(s) using threaded fasteners;

positioning the electrical box at a desired position relative to a plane of the mounting plate; and

securing the electrical box at said desired position by tightening said threaded fasteners.

18. A kit for mounting an electrical box to a partition comprising a front wall and a rear wall defining therebetween an interior space, the kit comprising a first and second mounting bracket, each comprising:

a plate portion;

a stud or floor attachment means for securing the mounting bracket to a stud or a floor, thereby to position the plate portion of the mounting bracket alongside a rear face of the front wall in said interior space;

a mounting flange extending from said plate portion toward said rear wall, for mounting thereupon an electrical box, the mounting flange defining at least one electrical box anchor position;

whereby by in use said first and second mounting brackets are secured to a floor or stud so as to bring the mounting flanges into opposition, for securing therebetween an electrical box.

19. The kit of claim 18, wherein the mounting flanges in opposition define therebetween an opening of sufficient size to receive therethrough said electrical box, and optionally the opening is slightly larger than said electrical box, so that the electrical box is slidable through the opening to a desired depth in the interior space prior to securing of the electrical box to the mounting brackets via the at least one mounting flange.

20. The kit of claim 18, further comprising any one or more additional components selected from:

an electrical box;

a plurality of fasteners to fasten each mounting bracket to a stud or floor; and

a plurality of fasteners to fasten each mounting bracket to a box ring, or any electrical box, or to fasten the mounting brackets to one another.

21. The kit of claim 18, wherein each mounting flange of each mounting bracket comprises at least two electrical box anchor positions located at different distances toward said rear wall from a plane of said front wall, said mounting bracket thereby accommodating electrical boxes of varying depths within the interior space of the partition.

22. The kit of claim 21, wherein each of said at least two electrical box anchor positions are defined by at least one slot in each of said mounting flanges, each slot extending substantially perpendicular to each mounting plate and adapted to receive therethrough a fastener for attachment to an electrical box.

23. The kit of claim 18, wherein the first and second mounting brackets are connectable for sliding engagement therebetween, a distance between said opposed mounting flanges being adjustable by sliding said first mounting bracket relative to said second mounting bracket.

24. A method of securing an electrical box within an interior space of a partition including a front wall and a rear wall to define said interior space, the method comprising the steps of:

providing the kit of claim 18;

mounting each of said first and second mounting brackets to a stud or floor to bring the mounting flange portions of each mounting bracket into opposition; and

mounting the electrical box between the opposed mounting flange portions of the mounting brackets.

25. The method of claim 24, wherein the step of mounting the electrical box comprises:

slidably mounting the electrical box to the mounting flange portions of the mounting brackets using threaded fasteners;

positioning the electrical box at a desired position relative to a plane of the front wall; and

securing the electrical box at said desired position by tightening said threaded fasteners.