Moisture-resistant flexible strand lighting apparatus

• US 20020106931A1
• Filed: 12/12/2000
• Published: 08/08/2002
• Est. Priority Date: 12/12/2000
• Status: Abandoned Application

• Current Assignee: Liting Universal Enterprises Corporation
• Original Assignee: Liting Universal Enterprises Corporation
• Inventors: Hsien-Te, Chen
• Application Number:
  US09/736,764
• Publication Number:
  US 20020106931A1
• Time in Patent Office: Days
• US Class Current: 439/490
• CPC Class Codes: F21S 4/22 flexible or deformable, e.g. into a curved shape
• CPC Class Codes: F21V 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21V 31/00 Gas-tight or water-tight arrangements
• CPC Class Codes: F21W 2121/00 Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
• CPC Class Codes: H01R 13/622 Screw-ring or screw-casing H01R13/623 takes precedence
• CPC Class Codes: H01R 33/965 Dustproof, splashproof, drip-proof, waterproof, or flameproof holders

Abstract

A flexible strand lighting apparatus (10) for ornamental illumination particularly in environments subject to moisture, with a power cord (12) that connects to a supply of electrical current and a moisture-resistant connector (30) with a pair of members (42, 44) at an opposing distal end in electrical communication with the electrical connectors. A tubular light strand (14) has two electrical conductors (54, 56) that connect in series to a plurality of spaced-apart light sources (52). A second moisture-resistant connector (58) is molded to and integral with the light strand (50) and includes a pair of second members (64, 66), which matingly engage with the members (42, 44) of the first connector (30) when the first and the second connectors join together in a moisture-resistant connection for communicating electrical current to the light sources (50).

Claims

1. A flexible strand lighting apparatus for providing ornamental illumination, comprising:

a power cord having a plug at a first end with a pair of electrical connectors projecting from the plug for connecting to a supply of electrical current and a first connector molded to an integral with the power cord at an opposing distal end, the first connector including a pair of members in electrical communication with the electrical connectors of the plug;

a light strand having a plurality of light sources connected in series to electrical wires carried in the light strand, a second connector at a distal end of the light strand molded to and integral with the light strand and including a pair of second members in electrical communication with the wires in the light strand, the second members adapted for mating engagement with the members of the first connector;

means for securing the first connector of the power cord to the second connector of the light strand, whereby the second members matingly connect to the members in the power cord for communicating electrical current;

whereby the plug, being in electrical communication with the a supply of electrical current, provides electricity to the light sources in the light strand.

2. The flexible strand lighting apparatus as recited in claim 1, wherein the light strand further comprises another of the first connectors at an opposing distal end of the light strand;

and

a cap selectively attached to the first connector on the light strand for closing the distal end of the light strand from electrical communication thereat.

3. The flexible strand lighting apparatus as recited in claim 2, further comprising at least one second one of the light strands for mating engagement of the first and second connectors of two light strands, whereby the length of the flexible strand lighting apparatus is selectively changeable.

4. The flexible strand lighting apparatus as recited in claim 1, wherein the second members in the second connector comprise electrically conductive pins;

and the members in the first connector comprise electrically conductive tubes sized for slidingly receiving the pins when the first and second connectors are engaged.

5. The flexible strand lighting apparatus as recited in claim 4, wherein the pins have diameters of about 2.5 millimeter.

6. The flexible strand lighting apparatus as recited in claim 5, wherein the sleeves taper narrowingly from open ends to opposing ends.

7. The flexible strand lighting apparatus as recited in claim 6, wherein the sleeves taper from about 2.8 millimeter to about 2.4 millimeter.

8. The flexible strand lighting apparatus as recited in claim 7, wherein the pins are spaced-apart about 6 millimeter center-to-center.

9. The flexible strand lighting apparatus as recited in claim 1, wherein the means for securing comprises:

the first connector defining a flange extending radially therefrom;

the power cord slidingly receives a threaded ring on the first connector and stopped by the flange; and

the second connector defines a threaded exterior for threadingly engaging the ring on the power cord for securing the first and second connectors together.

10. The flexible strand lighting apparatus as recited in claim 9, wherein the light strand further includes a second threaded ring for securing the first connector of the light strand to a second connector of a second one of said light strands.

11. The flexible strand lighting apparatus as recited in claim 1, further comprising a resilient ring received on the second connector to be disposed between the first and second connectors to seal the engagement thereof from moisture.

12. The flexible strand lighting apparatus as recited in claim 1, wherein a distal portion of the second connector extends as a shroud around the second members extended therein and the shroud receiving a distal end portion of the first connector when the first and second connectors matingly engage.

14. The flexible strand lighting apparatus as recited in claim 13, wherein the light strand further comprises another of the first connectors at an opposing distal end of the light strand;

and

a cap selectively attached to the first connector on the light strand for closing the distal end of the light strand from electrical communication thereat.

15. The flexible strand lighting apparatus as recited in claim 13, further comprising at least one second one of the light strands for mating engagement of the first and second connectors of two light strands, whereby the length of the flexible strand lighting apparatus is selectively changeable.

16. The flexible strand lighting apparatus as recited in claim 13, wherein the members in the first connector comprise electrically conductive pins;

and the second members in the second connector comprise electrically conductive tubes sized for slidingly receiving the pins when the first and second connectors are engaged.

17. The flexible strand lighting apparatus as recited in claim 13, wherein the pins have diameters of about 2.5 millimeter.

18. The flexible strand lighting apparatus as recited in claim 17, wherein the sleeves taper narrowingly from open ends to opposing ends.

19. The flexible strand lighting apparatus as recited in claim 18, wherein the sleeves from about 2.8 millimeter to about 2.4 millimeter.

20. The flexible strand lighting apparatus as recited in claim 17, wherein the pins are spaced-apart about 6 millimeter center-to-center.

21. The flexible strand lighting apparatus as recited in claim 13, wherein

the first connector defines a flange extending radially therefrom;

the first engaging member comprises a threaded ring slidingly received on the first connector on the power cord and stopped by the flange; and

the second engaging member comprises a threaded exterior on the second connector for threadingly engaging the ring on the power cord for securing the first and second connectors together.

22. The flexible strand lighting apparatus as recited in claim 21, wherein the light strand further includes a second threaded ring for securing the first connector of the light strand to a second connector of a second one of said light strands.

23. The flexible strand lighting apparatus as recited in claim 13, further comprising a resilient ring received on the second connector to be disposed between the first and second connectors to seal the engagement thereof from moisture.

24. The flexible strand lighting apparatus as recited in claim 13, wherein a distal portion of the first connector extends as a shroud around the second members.

13. A flexible strand lighting apparatus for providing ornamental illumination particularly in environments subject to moisture, comprising:

a power cord having electrical connectors at a first end for connecting to a supply of electrical current and a first moisture-resistant connector molded to and integral with the power cord at an opposing distal end, the first connector including a pair of members in electrical communication with the electrical connectors;

a light strand having a tubular body with a core extending therethrough with two electrical conductors engaged in series to a plurality of spaced-apart light sources, a second moisture-resistant connector at a distal end of the light strand molded to and integral with the light strand and including a pair of second members in electrical communication with the electrical conductors and adapted for mating engagement with the members of the first connector;

a first engaging member associated with the first connector of the power cord and a second engaging member associated with the second connector of the light strand, for engaging the first and the second connectors in a moisture-resistant junction that places the second members in the second connector in electrical communication with the members in the power cord for communicating electrical current to the light sources,

whereby the joining of the first and second connectors restricts moisture penetration in the junction communicating electrical current to the light sources.