US Patent 7800006 Push switch

A push switch, including a keytop, a keytop returning coil spring, which urges the keytop upwardly, a slider which is press-operated via the keytop, a slider returning coil spring, which urges the slider upwardly, and switch contacts which are contacted with and separated from each other in accordance with the operating position of the slider. The slider returning coil spring is placed at a position deviated from the axis of the keytop. A push switch which is small in size, produces less tilting or rattling even when a large keytop is attached, and which generates an excellent operation feeling is provided.