A contact leaf bank for an electrical contactor preferably etched from a single uniform sheet of resiliently flexible, electrically conductive material comprises a ground sheet defining a plurality of uniformly-spaced, elongated, parallel slots in which are singularly disposed a plurality of resiliently...http://www.google.fr/patents/US4964808?utm_source=gb-gplus-shareBrevet US4964808 - Electrical device contactor