A panel fastener and panel comprising a panel fastener that includes a support member having a magnet receiving space in which is mounted a single or multi-pole permanent magnet component presenting an exposed surface having at least one magnetic pole. The permanent magnet component may have a minimum ratio of surface area of the exposed surface to the volume of the magnet. The exposed surface of the permanent magnet component may include two or more polar surfaces of opposite magnetic domain that are located adjacent each other, and may have a polar intersection line that is at least one fourth of the length of the periphery of one of the polar surfaces.
PERMANENT MAGNET PANEL FASTENER
2018-02-15
Patent
Electronic Resource
English
Ejector excitation fastener taking permanent magnet ring as contact structure
European Patent Office | 2015