A wall switch (12) includes a face plate body (14) containing an aperture (20) and wall projections (22, 23, 24) carrying an actuator rocker (30) with a board (40) carrying switch contacts (58) momentarily closed by the rocker to effect a closure of circuits carried on the board and interconnected to...http://www.google.fr/patents/US5290983?utm_source=gb-gplus-shareBrevet US5290983 - Wall switch
