Patent ID: 8054185
Filing Date: 2011-11-08
Classification: E05B,H01F

Abstract:
1. A magnetic detacher comprising: a housing defining an inner volume; a core magnet positioned within the inner volume, the core magnet having a body with a top surface and a bottom surface opposite the top surface, the core magnet producing a first magnetic field; and a ring magnet positioned within the inner volume, a ring magnet defining a cavity having a first diameter, the ring magnet having a body with a top surface and a bottom surface opposite the top surface, the ring magnet producing a second magnetic field and axially aligned with the core magnet such that the first magnetic field opposes the second magnetic field within the bodies of the respective magnets and enhances the second magnetic field within the cavity, the top surface of the core magnet separated from the bottom surface of the ring magnet by a predetermined distance to produce a resultant magnetic field having a first resultant field strength at a specific position greater than a second resultant field strength produced at the same position when the top surface of the core magnet abuts the bottom surface of the ring magnet.