Patent ID: 7921524
Filing Date: 2011-04-12
Classification: E05B,H01F,Y10T

Abstract:
1. A release mechanism for releasing magnetically releasable anti-theft devices comprising a cover plate on a release side and a base plate used for mounting or support, between which permanent magnets used to release the anti-theft device are disposed, the release mechanism comprising: a continuous, self-contained frame magnet that is magnetised in an axial direction and that has a first recess; a segmented magnet that is disposed within the first recess of the frame magnet, the segmented magnet providing a second recess, at least one segment of the segmented magnet is magnetised in a radial direction; and a magnetic core that is axially magnetized and disposed within the second recess of the segmented magnet to provide a single-layer of permanent magnets.