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A securable system for displaying items of merchandise on a display board. The display system includes a lockable end assembly that engages the free end of at least one rod of a merchandise display therein. The end assembly is slidable along the rod between an unlocked position where items of mercha

A securable system for displaying items of merchandise on a display board. The display system includes a lockable end assembly that engages the free end of at least one rod of a merchandise display therein. The end assembly is slidable along the rod between an unlocked position where items of merchandise may be removed therefrom and a locked position where items of merchandise cannot be removed therefrom. The end assembly is lockingly engaged with the rod by a locking mechanism that is linearly moveable within an interior chamber of the end assembly. The end assembly is provided with a specially shaped recess in its outer wall which is positioned perpendicular to the linear motion of the locking mechanism. A complementary dipole magnet key is inserted into the recess to unlock the locking mechanism.

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The invention claimed is: 1. A security device for locking a merchandise display rod having an upper rod and a lower rod to prevent unauthorized removal of items of merchandise displayed on the lower rod, said device comprising: a housing defining a substantially horizontally oriented passageway ha

The invention claimed is: 1. A security device for locking a merchandise display rod having an upper rod and a lower rod to prevent unauthorized removal of items of merchandise displayed on the lower rod, said device comprising: a housing defining a substantially horizontally oriented passageway having a length and adapted to receive the upper rod therein; said housing further defining an interior chamber disposed perpendicularly to said passageway and having a magnetically attractable locking member biased by a spring within the chamber towards a notch formed in the lower rod and linearly moveable against a biasing force of the spring within the chamber between a locked position where the locking member engages the notch in the lower rod and an unlocked position where the locking member does not engage the notch in the lower rod; and a recess formed in the housing and extending substantially parallel to the passageway and inwardly from an exterior surface thereof into the interior of the housing and terminating proximate the chamber; said recess being adapted to receive a dipole magnet therein for moving the locking member from the locked position to the unlocked position against the biasing force of the spring such that the housing is movable a distance substantially equal to the length of the passageway to thereby permit removal of the items of merchandise displayed on the lower rod. 2. The security device as defined in claim 1, wherein said recess extends perpendicularly with respect to the linear movement of the locking member. 3. The security device as defined in claim 1, wherein the recess is of an irregular cross-sectional shape and the dipole magnet is of a complementary cross-sectional shape. 4. The security device as defined in claim 1, wherein the recess is D-shaped in cross-section and is adapted to receive a complementary D-shaped dipole magnet therein. 5. The security device as defined in claim 4, wherein the D-shaped recess is defined by a substantially planar inner wall and an arcuate inner wall; and wherein the arcuate inner wall is proximate the chamber retaining the locking member therein and extends perpendicularly relative to the linear motion of the locking member. 6. A security system for locking a merchandise display rod having an upper rod and a lower rod to prevent unauthorized removal of items of merchandise displayed on the lower rod, said system comprising; a security device including a housing defining a substantially horizontally oriented passageway having a length and adapted to receive the upper rod therein; said housing further defining an interior chamber disposed perpendicularly to said passageway and having a magnetically attractable locking member linearly moveable within the chamber between a locked position where the locking member engages a notch formed in the lower rod and an unlocked position where the locking member does not engage the notch formed in the lower rod; a recess formed in the housing and extending substantially parallel to the passageway and inwardly from an exterior surface thereof into the interior of the housing and terminating proximate the chamber, the recess having a predetermined cross-sectional shape; and a dipole magnet sized and shaped to be inserted into the recess for moving the locking member from the locked position to the unlocked position. 7. The security system as defined in claim 6, wherein the recess is oriented perpendicularly with respect to the linear movement of the locking member. 8. The security system as defined in claim 6, wherein the dipole magnet and the recess are complementary in cross-sectional shape. 9. The security system as defined in claim 8, wherein the cross-sectional shape of both the dipole magnet and the recess is irregular. 10. The security system as defined in claim 8, wherein the cross-sectional shape of both of the dipole magnet and the recess includes at least one straight side. 11. The security system as defined in claim 8, wherein the dipole magnet and the recess are substantially D-shaped in cross-section. 12. The security system as defined in claim 11, wherein the dipole magnet has a planar face and an arcuate face; and wherein the dipole magnet comprises neodymium, iron and boron. 13. The security system as defined in claim 12, wherein the recess is oriented such that the arcuate face of the dipole magnet is brought into closer proximity to the locking member than is the planar face of the dipole magnet. 14. A securable merchandise system for displaying items of merchandise thereon; said system comprising; a lower rod having a first end adapted to be positioned adjacent in a display board and having a second free end remote therefrom; an upper rod disposed substantially parallel to the lower rod and spaced therefrom, the upper rod having a first end proximate the display board and a second hooked end; a security device engageable with the free end of the lower rod and with the hooked end of the upper rod to prevent unauthorized removal of the displayed items of merchandise from the lower rod; said security device including a housing defining a substantially horizontally oriented first passageway for receiving the free end of the lower rod therein and a substantially horizontally oriented second passageway substantially parallel to the first passageway for receiving the hooked end of the upper rod therein; said housing further defining an interior chamber disposed perpendicularly to said first passageway and said second passageway; said housing comprising a magnetically attractable locking member linearly moveable within the chamber between a locked position where the locking member engages a notch formed in the lower rod and an unlocked position where the locking member does not engage the notch formed in the lower rod, the locking member biased within the chamber towards the lower rod; a recess formed in the housing and extending substantially parallel to the first passageway and inwardly from an exterior surface of the housing and into the interior thereof, said recess terminating proximate the chamber; and a dipole magnet sized and shaped to be inserted into the recess for moving the locking member from the locked position to the unlocked position such that the housing is movable to withdraw the free end of the lower rod from the first passageway sufficiently to thereby permit the items of merchandise to be removed from the lower rod. 15. The merchandise system as defined in claim 14, wherein the recess is oriented perpendicularly with respect to the linear movement of the locking member. 16. The merchandise system as defined in claim 15, wherein the dipole magnet and the recess are complementary in cross-sectional shape and include at least one straight side. 17. The merchandise system as defined in claim 16, wherein the dipole magnet and the recess are generally D-shaped in cross-section and have a planar face and an arcuate face; and wherein the dipole magnet comprises neodymium, iron and boron. 18. The merchandise system as defined in claim 14, wherein the upper rod is shorter than the lower rod and the hooked end is permanently retained within the second passageway for sliding movement on the upper rod.