A rocking switch unit includes a base section, a switch knob, a pair of tactile switches, a middle rocking section, and a pair of switch-pressing portions. The switch knob and the middle rocking section are coupled with the base section to be rockable. The switch-pressing portions are located between...http://www.google.es/patents/US7554049?utm_source=gb-gplus-sharePatente US7554049 - Rocking switch unit
