Adjustable electric box and bracket combination

• US 10,447,019 B2
• Filed: 05/07/2018
• Issued: 10/15/2019
• Est. Priority Date: 02/21/2017
• Status: Active Grant

• Current Assignee: CANTEX, Inc. (Mitsubishi Corporation)
• Original Assignee: CANTEX, Inc. (Mitsubishi Corporation)
• Inventors: Ediger, Steve D., Metcalfe, Paul R., Skye, Weston, Urban, Scott E.
• Primary Examiner(s): Lopez Cruz, Dimary S
• Application Number:
  US15/973,196
• Publication Number:
  US 20180261988A1
• Time in Patent Office: 526 Days
• Field of Search: None
• CPC Class Codes: H02G 3/085 including knock-out or tear-out sections
• CPC Class Codes: H02G 3/126 with supporting means for mounting on a single wall stud

Abstract

Electric boxes and hanging brackets and more particularly adjustable electric boxes with parallel rails for connection with reciprocal parallel grooves in a hanging bracket that is configured to connect to a support, for example, a wall stud.

Claims

1. An apparatus comprising:

a bracket having a substantially “

U”

-shape and including a body, a top arm and a bottom arm extending away from an inside of the body, a plurality of bracket body ribs on an interior surface of the bracket body, a plurality of top arm grooves on an interior surface of the top arm and a plurality of bottom arm grooves on an interior surface of the bottom arm, each of the plurality of bracket body ribs configured to be slidingly connectable to a plurality of grooves of an electrical box, the top arm grooves configured to be slidingly connectable to a first plurality of ribs on the electrical box to enable adjustment of the position of the electrical box relative to the bracket, and a flange extending substantially perpendicularly away from one side of a back surface of the bracket, the flange including at least one fastener opening formed there through.

2. The apparatus of claim 1, wherein the plurality of the top arm grooves and the plurality of bottom arm grooves of the bracket comprise:

a substantially parallel top pair of grooves extending inwardly from and across a front end to a back end of an inner surface of the top arm; and

a substantially parallel bottom pair of grooves extending inwardly from and across a front end to a back end of the bottom arm.

3. The apparatus of claim 2, wherein the plurality of bracket body ribs further comprise a top rib and a substantially parallel bottom rib on the interior surface of the bracket body with each of the top and bottom bracket body ribs extending laterally across the interior surface of the body portion and positioned to slidingly engage the top and bottom grooves of the first side wall of the electrical box.

4. The apparatus of claim 3, wherein each of the plurality of bracket body ribs have a height of about ⅛

inches.

5. The apparatus of claim 4 further comprising an adjustment screw connected to the electrical box and the bracket to permit adjustment of the front to back positioning of an electrical box in relation to the bracket.

6. The apparatus of claim 5, wherein a head portion of the adjustment screw is rotatably connected to the electrical box and a threaded body portion of the adjustment screw is connected to an extended cylindrical portion of the bracket, the extended cylindrical portion includes an interior channel there through to receive the threaded body portion of the adjustment screw and to permit adjustment of the front to back positioning of the electrical box in relation to the bracket based on turning the screw either clockwise or counter-clockwise.

7. The apparatus of claim 2, wherein the plurality of top arm grooves of the bracket comprise:

an inner groove extending into and laterally across an inner surface of the top arm at a substantially orthogonal angle from the inner surface of the top arm, the inner groove having a reciprocal shape to and configured to receive one of the outer ribs of the electrical box; and

an outer groove extending into and laterally across the inner surface of the top arm at a less than orthogonal angle from the inner surface of the top arm, the outer groove having a reciprocal shape to and configured to receive the inner rib adjacent to the received one of the outer ribs of the electrical box.

8. The apparatus of claim 7, wherein the plurality of bottom arm grooves of the bracket comprise:

an inner groove extending into and laterally across an inner surface of the bottom arm at a substantially orthogonal angle from the inner surface of the bottom arm; and

an outer groove extending into and laterally across the inner surface of the bottom arm at a less than orthogonal angle from the inner surface of the bottom arm.

9. The apparatus of claim 8, wherein the first and second outer ribs and first and second inner grooves are reciprocally shaped and configured to slidingly engage each other.

10. The apparatus of claim 9, wherein the first and second inner ribs and first and second outer grooves are reciprocally shaped and configured to slidingly engage each other.

11. The apparatus of claim 1, wherein the bracket flange has a substantially straight outer edge with a substantially centrally located extended portion with the at least one fastener opening formed therein.

12. The apparatus of claim 1, wherein the bracket flange has a substantially curved outer edge with a plurality of openings formed therein.

13. The apparatus of claim 1, wherein the bracket further comprises a top fastening portion and a bottom fastening portion, with each fastening portion including a central channel extending from a back of the fastening portion through and out a front wall of the fastening portion and configured to receive a fastener at an angle slightly less than a normal angle to a back wall of the bracket and away from the inside surface of each respective top and bottom arm of the bracket.

14. The apparatus of claim 13, wherein the angle is between about 0.1 to 10 degrees less than the normal angle to the back wall of the bracket.

15. The apparatus of claim 13, wherein the angle is between about 3 to 7 degrees less than the normal angle to the back wall of the bracket.

16. The apparatus of claim 13, wherein the angle is about 5 degrees less than the normal angle to the back wall of the bracket.

17. The apparatus of claim 13, wherein the fastener is a drill point screw with a flanged head.

18. The apparatus of claim 13, wherein the bracket further comprises a first top plurality of gussets on a first side of the top arm and substantially parallel to the top fastening portion and a second top plurality of gussets on an opposite side of the top arm and substantially parallel to the top fastening portion.

19. The apparatus of claim 18, wherein the bracket further comprises a first bottom plurality of gussets on a first side of the bottom arm and substantially parallel to the bottom fastening portion and a second bottom plurality of gussets on an opposite side of the bottom arm and substantially parallel to the bottom fastening portion.

20. The apparatus of claim 1, wherein the bracket comprises a plastic.

21. An apparatus comprising:

a bracket including a top arm connected at an inner end to a top end of a body at a substantially orthogonal angle and a bottom end of the body being connected to an inner end of a bottom arm at a substantially orthogonal angle, the top arm and the bottom arm each including pairs of oppositely positioned grooves on inside surfaces of each arm and being configured to adjustably and slidingly connect with pairs of substantially parallel raised ribs on an electrical box, and a raised, cylindrical element on an inner surface of the body being configured to adjustably engage with the electrical box.

22. The apparatus of claim 21, wherein the bracket further comprises:

a first top plurality of gussets on a first side of the top arm and substantially parallel to a top fastening portion; and

a second top plurality of gussets on an opposite side of the top arm and substantially parallel to the top fastening portion.

23. The apparatus of claim 22, wherein the bracket further comprises:

a first bottom plurality of gussets on a first side of the bottom arm and substantially parallel to a bottom fastening portion; and

a second bottom plurality of gussets on an opposite side of the bottom arm and substantially parallel to the bottom fastening portion.

24. The apparatus of claim 23, wherein the bracket further comprises:

a bottom plurality of cross gussets on the bottom arm connected at perpendicular angles between the first and second bottom plurality of gussets, an inner one of the first bottom plurality of gussets, an inner one of the first bottom plurality of gussets and a side of the fastening portion, and an inner one of the second bottom plurality of gussets and an opposite side of the fastening portion.

25. The apparatus of claim 24, wherein the bracket further comprises:

a top plurality of cross gussets on the top arm connected at perpendicular angles between the first and second top plurality of gussets, an inner one of the first top plurality of gussets and the side of the fastening portion, and an inner one of the second top plurality of gussets and the opposite side of the fastening portion.

26. The apparatus of claim 25, wherein the bracket further comprises:

a flange connected to and extending away from a back side of the body, the flange having a substantially centrally located extended portion with at least one fastener opening formed therein.

27. The apparatus of claim 25, wherein the bracket further comprises:

a flange connected to and extending away from a back side of the body, the flange having a plurality of openings formed therein.

28. An apparatus comprising:

a bracket including a top arm connected at an inner end to a top end of a body at a substantially orthogonal angle and a bottom end of the body being connected to an inner end of a bottom arm at a substantially orthogonal angle, the top arm and the bottom arm each including pairs of oppositely positioned grooves on inside surfaces of each arm and being configured to adjustably and slidingly connect with pairs of substantially parallel raised ribs on an electrical box, and a raised, cylindrical element on an inner surface of the body being configured to adjustably engage with a middle groove of the electrical box, and a flange extending substantially perpendicularly from one side of a back side of the bracket and at least one opening is formed in and extends through the flange.

29. The apparatus of claim 28, wherein the bracket further comprises:

a first top plurality of gussets on a first side of the top arm and substantially parallel to a top fastening portion; and

a second top plurality of gussets on an opposite side of the top arm and substantially parallel to the top fastening portion.

30. The apparatus of claim 29, wherein the bracket further comprises:

a first bottom plurality of gussets on a first side of the bottom arm and substantially parallel to a bottom fastening portion; and

a second bottom plurality of gussets on an opposite side of the bottom arm and substantially parallel to the bottom fastening portion.

31. The apparatus of claim 30, wherein the bracket further comprises:

a bottom plurality of cross gussets on the bottom arm connected at perpendicular angles between the first and second bottom plurality of gussets, an inner one of the first bottom plurality of gussets, an inner one of the first bottom plurality of gussets and a side of the fastening portion, and an inner one of the second bottom plurality of gussets and an opposite side of the fastening portion.

32. The apparatus of claim 31, wherein the bracket further comprises:

a top plurality of cross gussets on the top arm connected at perpendicular angles between the first and second top plurality of gussets, an inner one of the first top plurality of gussets and the side of the fastening portion, and an inner one of the second top plurality of gussets and the opposite side of the fastening portion.

33. The apparatus of claim 32, wherein the bracket flange has a substantially straight outer edge with a substantially centrally located extended portion with the at least one fastener opening formed therein.

34. The apparatus of claim 32, wherein the bracket flange has a substantially curved outer edge with a plurality of openings formed therein.