An armature retainer for a magnetic switch retains an armature adjacent an internal surface of a carrier sheet with electrodes thereon forming switch contacts. The retainer includes a polishing pad, a backing layer and openings for the armature to reside therein. Both the armature and the retainer are...http://www.google.fr/patents/US6137387?utm_source=gb-gplus-shareBrevet US6137387 - Magnetically-retained armature retainer for electrical switches
Magnetically-retained armature retainer for electrical switches
