Systems, methods, and devices for providing a torsion spring bracket assembly for use in cylindrical luminaire housings

• US 9,341,349 B1
• Filed: 05/03/2013
• Issued: 05/17/2016
• Est. Priority Date: 05/03/2012
• Status: Active Grant

• Current Assignee: Signify Holding B.V. (Signify N.V.)
• Original Assignee: Cooper Technologies Company (Eaton Corporation PLC.)
• Inventors: Moore, Michael Darrill
• Primary Examiner(s): Dzierzynski, Evan
• Assistant Examiner(s): SONG, ZHENG B
• Application Number:
  US13/887,108
• Time in Patent Office: 1,110 Days
• Field of Search: 362/440, 362/445, 362/452, 362/457, 362/458, 362364-370, 362/382, 362/389, 362/145, 362/147, 3622171-21717, 362/655, 362/656, 362/249.02, 362/404, 362/406, 362/426, 248/225.21, 248/200, 248/300, 248/342
• US Class Current: 1/1
• CPC Class Codes: F21S 8/02 of recess-mounted type, e.g. downlighters specially adapted for vehicle exteriors F21S41/00-F21S45/00
• CPC Class Codes: F21V 17/00 Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages of light sources or light holders F21V19/00
• CPC Class Codes: F21V 17/02 with provision for adjustment F21V17/04 - F21V17/08 take precedence
• CPC Class Codes: F21V 19/0015 Fastening arrangements intended to retain light sources
• CPC Class Codes: F21V 19/002 the fastening means engaging the encapsulation or the packaging of the semiconductor device
• CPC Class Codes: F21V 19/003 Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
• CPC Class Codes: F21V 21/04 Recessed bases
• CPC Class Codes: F21V 21/044 with elastically deformable elements, e.g. spring tongues
• CPC Class Codes: F21V 21/08 Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
• CPC Class Codes: F21V 21/088 Clips; Clamps
• CPC Class Codes: F21V 23/006 the substrate being distinct from the light source holder
• CPC Class Codes: F21V 29/508 of electrical circuits
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A mounting bracket assembly includes a mounting base and a plurality of arms extending down from the mounting base. A first arm of the plurality of arms includes a first pair of inwardly facing hooks coupled to the first arm and defining a first torsion spring receiver area. The first arm of the plurality of arms includes a first spring coil ramp disposed along a bottom end of the first arm and extending radially inward from the first arm at a first angle. A second arm of the plurality of arms includes a second pair of inwardly facing hooks coupled to the second arm and defining a second torsion spring receiver area. The second arm of the plurality of arms includes a second spring coil ramp disposed along a bottom end of the second arm and extending radially inward from the second arm at a second angle.

Claims

1. A mounting bracket assembly for installing a light module in a luminaire housing, the mounting bracket assembly comprising:

a mounting base; and

a plurality of arms extending down from the mounting base, wherein a first arm of the plurality of arms comprises a first pair of inwardly facing hooks defining a first torsion spring receiver area, wherein a first flange member is coupled to a first longitudinal edge of the first arm and extends radially inward from the first arm, wherein a second flange member is coupled to a second longitudinal edge of the first arm and extends radially inward from the first arm, the first longitudinal edge and the second longitudinal edge being opposite edges of the first arm, wherein a second arm of the plurality of arms comprises a second pair of inwardly facing hooks defining a second torsion spring receiver area, wherein an end portion of a first hook of the first pair of inwardly facing hooks extends toward a second hook of the first pair of inwardly facing hooks, wherein an end portion of the second hook of the first pair of inwardly facing hooks extends toward the first hook of the first pair of inwardly facing hooks, wherein the first hook of the first pair of inwardly facing hooks is coupled to and extends angularly from a top edge of the first flange member such that the first flange member is below the first hook, and wherein the second hook of the first pair of inwardly facing hooks is coupled to and extends angularly from a top edge of the second flange member such that the second flange member is below the second hook.

2. The mounting bracket assembly of claim 1, wherein the first arm and the second arm extend down from the mounting base at opposite edges of the mounting base.

3. The mounting bracket assembly of claim 1, further comprising mounting posts extending upwardly from a surface of the mounting base, wherein the mounting posts are configured to attach the mounting bracket assembly to a housing.

4. The mounting bracket assembly of claim 1, wherein the first arm comprises a first spring coil ramp disposed at a bottom most end of the first arm and extending radially inward from the first arm at a first angle, and wherein the second arm comprises a second spring coil ramp disposed at a bottom most end of the second arm and extending radially inward from the second arm at a second angle.

5. The mounting bracket assembly of claim 1, wherein the mounting base has a substantially circular shape configured to be positioned within a cylindrical light fixture housing.

6. The mounting bracket assembly of claim 1, wherein the mounting base includes a plurality of tabs and wherein each arm of the plurality of arms extends down from a respective tab of the plurality of tabs.

7. The mounting bracket assembly of claim 1, wherein a light emitting diode (LED) driver is attached to the mounting base and wherein the LED driver is positioned on a side of the mounting base facing the first pair of inwardly facing hooks and the second pair of inwardly facing hooks.

8. The mounting bracket assembly of claim 1, wherein:

a third flange member is coupled to a first longitudinal edge of the second arm, wherein a first hook of the second pair of inwardly facing hooks is coupled to and extends angularly from the third flange member; and

a fourth flange member is coupled to a second longitudinal edge of second arm, the first longitudinal edge of the second arm and the second longitudinal edge of the second arm being opposite edges of the second arm, wherein a second hook of the second pair of inwardly facing hooks is coupled to and extends angularly from the fourth flange member.

9. The mounting bracket assembly of claim 8, wherein first flange member and the second flange member are integrally formed with the first arm and wherein the third flange member and the fourth flange member are integrally formed with the second arm.

10. A light fixture module, comprising:

a housing; and

a mounting bracket assembly coupled to and positioned within the housing, the mounting bracket assembly comprising;

a mounting base; and

a plurality of arms extending down from the mounting base, wherein a first arm of the plurality of arms comprises a first pair of inwardly facing hooks defining a first torsion spring receiver area, wherein a first flange member is coupled to a first longitudinal edge of the first arm and extends radially inward from the first arm, wherein a second flange member is coupled to a second longitudinal edge of the first arm and extends radially inward from the first arm, the first longitudinal edge and the second longitudinal edge being opposite edges of the first arm, wherein a second arm of the plurality of arms comprises a second pair of inwardly facing hooks defining a second torsion spring receiver area, wherein an end portion of a first hook of the first pair of inwardly facing hooks extends toward a second hook of the first pair of inwardly facing hooks, wherein an end portion of the second hook of the first pair of inwardly facing hooks extends toward the first hook of the first pair of inwardly facing hooks, wherein the first hook of the first pair of inwardly facing hooks is coupled to and extends angularly from a top edge of the first flange member such that the first flange member is below the first hook, and wherein the second hook of the first pair of inwardly facing hooks is coupled to and extends angularly from a top edge of the second flange member such that the second flange member is below the second hook.

11. The light fixture module of claim 10, wherein the mounting bracket assembly further comprises mounting posts extending upwardly from a surface of the mounting base, wherein each of the mounting posts extends through a corresponding aperture in a mounting surface of the housing.

12. The light fixture module of claim 11, wherein a respective coupling device is attached to each mounting post to couple the mounting bracket assembly to the housing.

13. The light fixture module of claim 10, wherein a light emitting diode (LED) driver is attached to the mounting base and wherein the LED driver is positioned on a side of the mounting base facing the first pair of inwardly facing hooks and the second pair of inwardly facing hooks.

14. The light fixture module of claim 10, wherein the first arm comprises a first spring coil ramp disposed at a bottom most end of the first arm and extending radially inward from the first arm at a first angle, and wherein the second arm comprises a second spring coil ramp disposed at a bottom most end of the second arm and extending radially inward from the second arm at a second angle.

15. The light fixture module of claim 10, wherein:

a first flange member is coupled to a first longitudinal side of the first arm, wherein a first hook of the first pair of inwardly facing hooks is coupled to and extends angularly from the first flange member;

a second flange member is coupled to a second longitudinal side of the first arm opposite the first longitudinal side of the first arm, wherein a second hook of the first pair of inwardly facing hooks is coupled to and extends angularly from the second flange member;

a third flange member is coupled to a first longitudinal side of the second arm, wherein a first hook of the second pair of inwardly facing hooks is coupled to and extends angularly from the third flange member; and

a fourth flange member is coupled to a second longitudinal side of second arm opposite the first longitudinal side of the second arm, wherein a second hook of the second pair of inwardly facing hooks is coupled to and extends angularly from the fourth flange member.

16. A light fixture, comprising:

a housing;

a mounting bracket assembly coupled to and positioned within the housing, the mounting bracket assembly comprising;

a mounting base; and

a plurality of arms extending down from the mounting base, wherein a first arm of the plurality of arms comprises a first pair of inwardly facing hooks defining a first torsion spring receiver area, wherein a first flange member is coupled to a first longitudinal edge of the first arm and extends radially inward from the first arm, wherein a second flange member is coupled to a second longitudinal edge of the first arm and extends radially inward from the first arm, the first longitudinal edge and the second longitudinal edge being opposite edges of the first arm, wherein a second arm of the plurality of arms comprises a second pair of inwardly facing hooks defining a second torsion spring receiver area, wherein an end portion of a first hook of the first pair of inwardly facing hooks extends toward a second hook of the first pair of inwardly facing hooks, wherein an end portion of the second hook of the first pair of inwardly facing hooks extends toward the first hook of the first pair of inwardly facing hooks, wherein the first hook of the first pair of inwardly facing hooks is coupled to and extends angularly from a top edge of the first flange member such that the first flange member is below the first hook, and wherein the second hook of the first pair of inwardly facing hooks is coupled to and extends angularly from a top edge of the second flange member such that the second flange member is below the second hook; and

a light module including a light engine, the light module attachable to the mounting bracket assembly.

17. The light fixture of claim 16, wherein a first torsion spring is attached to the light engine at a first side of the light engine and wherein a second torsion spring is attached to the light engine at second first side of the light engine opposite the first side.

18. The light fixture of claim 16, wherein the light module is attachable to the mounting bracket assembly by positioning the first torsion spring in the first torsion spring receiver area and by positioning the second torsion spring in the second torsion spring receiver area.

19. The light fixture of claim 16, wherein a light emitting diode (LED) driver is attached to the mounting base of the mounting bracket assembly and wherein the LED driver is positioned on a side of the mounting base facing the first pair of inwardly facing hooks and the second pair of inwardly facing hooks.

20. The light fixture of claim 16, wherein the first arm comprises a first spring coil ramp disposed at a bottom most end of the first arm and extending radially inward from the first arm at a first angle, and wherein the second arm comprises a second spring coil ramp disposed at a bottom most end of the second arm and extending radially inward from the second arm at a second angle.