IP Library Granted Patent US 8,545,066
Granted Patent B2
US 8,545,066 · App. 13/151,788 · Granted Oct 1, 2013

Rotating LED light on a magnetic base

Inventors: Edward S. Coleman (Ridgefield, CT); Qiu Jianping (Hangzhou, CN)
Assignee: Ullman Devices Corporation
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Quick Facts
Patent No.
US 8,545,066
App. No.
13/151,788
Granted
Oct 1, 2013
Kind
B2
Abstract

A light includes a magnetic base; a light housing having a plurality of LEDs and a DC power source; and a frictional pivot connection between the magnetic base and the light housing.

Claims (22)

1. A light, comprising:

a magnetic base;

a light housing having a plurality of LEDs and a DC power source; and

a pivot assembly connected between the magnetic base and the light housing, the pivot assembly comprising a pivot post having a ball defined at one end, and spaced support walls defining an inner chamber housing the ball, and further comprising a compression member positioned to exert a holding force on the ball at a location other than the pivot post.

2. The apparatus of claim 1 , wherein said DC power source is rechargeable.

3. The apparatus of claim 1 , further comprising an AC power adapter/recharger for providing AC power to said plurality of LEDs and for recharging said DC power source.

4. The apparatus of claim 1 , further comprising a switch for controlling a level of light output by the LEDs.

5. The lighting assembly according to claim 1 , wherein the LEDs are high intensity white light LEDs.

6. The apparatus of claim 1 , wherein the compression member comprises a spring biased piston exerting a holding force on the ball of the pivot post.

7. The apparatus of claim 6 , wherein the spaced support walls are rotatable relative to the base, and wherein the pivot post is pivotable relative to the spaced support walls.

8. The apparatus of claim 6 , wherein the piston has an end having a shape which corresponds to the ball.

9. The apparatus of claim 6 , wherein the spring holds the pivot post in a position relative to the base by biasing the piston against the ball of the pivot post.

10. The apparatus of claim 6 , further comprising a washer between the pivot post and the piston.

11. The apparatus of claim 10 , wherein the washer is rubber.

12. The apparatus of claim 1 , wherein the spaced support walls define a gap, and wherein the pivot post can pivot along the gap relative to the base.

13. The apparatus of claim 1 , wherein the spaced support walls have curved inner surfaces closely matched to the shape of the ball of the pivot post.

14. The apparatus of claim 1 , wherein the magnetic base comprises a magnet, and wherein the strength of the magnet is 5 to 10 lbs.

15. The apparatus of claim 1 , wherein the base is composed of acrylonitrile butadiene styrene (ABS) plastic resin.

16. The apparatus of claim 1 , wherein the magnetic base is composed of a rubber.

17. The apparatus of claim 1 , wherein the housing is composed of a material selected from the group consisting of color anodized aluminum, ABS, and mixtures thereof.

18. The apparatus of claim 1 , wherein the pivot post is composed of a material selected from the group consisting of nylon resin, steel alloy or combinations thereof.

19. The apparatus of claim 1 , further comprising a transparent housing top covering the LEDs.

Assignments (2)
SECURITY INTEREST Recorded Jan 30, 2017
From: ULLMAN DEVICES CORPORATION
To: COMERICA BANK
Reel/Frame 041124/0708 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 6, 2011
From: COLEMAN, EDWARD S.; JIANPING, QIU
To: ULLMAN DEVICES CORPORATION
Reel/Frame 026550/0929 →
Continuity (2)
Continuation In Part 12628356 · Dec 1, 2009
Related Publication 20110255274A1 · Oct 20, 2011