Security system for a portable article

• US 7,132,952 B2
• Filed: 04/22/2005
• Issued: 11/07/2006
• Est. Priority Date: 12/18/2003
• Status: Active Grant

• Current Assignee: Se-Kure Controls Incorporated
• Original Assignee: Se-Kure Controls Incorporated
• Inventors: Leyden, Roger, Surma, Terrance, Southerland, Kris Michael
• Primary Examiner(s): Nguyen, Tai T.
• Application Number:
  US11/112,392
• Publication Number:
  US 20060001541A1
• Time in Patent Office: 564 Days
• Field of Search: 340/635, 340/568.4, 340/568.2, 340/693.5, 340/687, 340/693.9, 367/15, 367/20, 367/37, 367/149, 367/151
• US Class Current: 340/635
• CPC Class Codes: G08B 13/1445 with detection of interference with a cable tethering an article, e.g. alarm activated by detecting detachment of article, breaking or stretching of cable furniture, e.g. shelves for displaying merchandise, incorporating tethers to prevent theft A47F7/024, A47F5/0861
• CPC Class Codes: G08B 13/149 with electric, magnetic, capacitive switch actuation

Abstract

The combination of a portable article and a security system. The security system has a flexible element/tether with a length. The flexible element/tether is connected between the portable article and a support to confine movement of the portable article within a range dictated by the length of the flexible element/tether. The flexible element/tether has a flexible core and a protective layer over the core. The protective layer is made at least partially from a material that is resistant to being cut to thereby avoid severance of the flexible core.

Claims

1. In combination:

a portable article; and

a security system comprising a flexible element/tether having a length and connected between the portable article and a support to confine movement of the portable article within a range dictated by the length of the flexible element/tether,

wherein the flexible element/tether comprises a flexible core and a protective layer over the core,

the protective layer comprising a material that is resistant to being cut to thereby avoid severance of the flexible core,

wherein the security system further comprises a housing on the support into which the flexible element/tether can be directed and from which the flexible element/tether can be withdrawn to vary an effective length of the flexible element/tether between the portable article and support.

2. The combination according to claim 1 wherein the flexible core comprises a metal component.

3. The combination according to claim 1 wherein the flexible core comprises a conductor defining a part of an electrical circuit.

4. The combination according to claim 2 wherein the flexible element/tether comprises a non-metal layer that surrounds the flexible core.

5. The combination according to claim 1 in combination with an alarm system that produces a detectable signal in the event that the flexible element/tether is cut at least partially therethrough.

6. The combination according to claim 5 wherein the flexible core comprises a conductor defining a part of an electrical detection circuit and the alarm signal is caused to produce the detectable signal as an incident of the conductor being severed.

7. The combination according to claim 3 wherein the flexible core further comprises an elongate element that is resistant to being cut and the protective layer overlies the conductor and the elongate element.

8. The combination according to claim 7 wherein the protective layer fully surrounds the conductor and the elongate element.

9. The combination according to claim 1 wherein a reel is provided in the housing around which the flexible element/tether is wrapped so that the flexible element/tether can be selectively drawn into the housing and withdrawn therefrom to vary an effective length of the flexible element/tether between the portable article and support.

10. The combination according to claim 9 wherein the reel is normally biased in rotation in a first direction around an axis so as to draw the flexible element/tether into the housing.

11. The combination according to claim 1 wherein the protective layer comprises aramid fibers.

12. The combination according to claim 11 wherein the aramid fibers are bundled into a plurality of cords that are woven together.

13. The combination according to claim 1 wherein the protective layer has a tubular shape that fully surrounds the core layer.

14. The combination according to claim 1 wherein the flexible element/tether is exposed between the portable article and the support and the protective layer substantially fully covers the flexible element/tether where the flexible element/tether is exposed between the portable article and the support.

15. The combination according to claim 1 wherein the material that is resistant to being cut is directly exposed on the flexible element/tether.

16. The combination according to claim 1 wherein the protective layer has a thickness on the order of 0.25–

0.35 mm.

17. The combination according to claim 8 wherein the protective layer has a free end and further comprising a sleeve that overlies the free end of the protective layer.

18. The combination according to claim 17 wherein the sleeve is shrink formed around the free end of the protective layer and the flexible core adjacent to the free end of the protective layer.

19. The combination according to claim 18 wherein an adhesive is interposed between the sleeve and the protective layer.

20. The combination according to claim 1 wherein the protective layer is woven into a seamless tubular shape.