US Patent 7964815 Push-button switch

In a lateral pushing type push-button switch, a pair of guiding portions against which an actuating portion that is projected from a pressing portion of an operating member into a housing is buttable are disposed in a cover which is attached to an upper portion of the housing. The switch has a second actuating member which is formed in continuously with a peripheral portion that is accommodated in a peripheral side portion of the housing, and which is projected into the housing to be opposed to the actuating portion. When the operating member is pressed in a lateral direction, the actuating portion and the second actuating member are downward displaced to depress movable contacts to be contacted with stationary contacts.