An electrical rocker switch having a clam-shell like housing in which a rocker is pivotally mounted. A unitary multi-function operating assembly fabricated from spring stock materials operates as an over-center spring to establish two rest positions for the rocker. A trifurcated second end of the operating...http://www.google.com.au/patents/US5570778?utm_source=gb-gplus-sharePatent US5570778 - Electrical rocker switch
