Patent ID: 6936777
Filing Date: 2005-08-30
Classification: H01H

Abstract:
1. A two-step switch, comprising: a circuit board having first fixed contacts, a second fixed contact and a third fixed contact; a first contact spring, having outer peripheral contacts which are in regular contact with said first fixed contacts of said circuit board, and also having an inner contact which is positioned inside of said outer peripheral contacts and is reversed by depressing operation; and a second contact spring, stacked on said first contact spring via a first insulation sheet, having an outer peripheral contact which is in regular contact with said second fixed contact of said circuit board, and also having an inner contact which is positioned inside of said outer peripheral contact and is reversed by depressing operation, characterized in that: said inner contact of said first contact spring is reversed by a first depressing operation, and becomes in contact with said inner contact of said second contact spring whereby a first electric circuit is actuated; and said inner contact of said second contact spring is reversed by a further second depressing operation, and becomes in contact with said third fixed contact of said circuit board, whereby a second electric circuit is actuated.