US Patent 7880107 Momentary push button switch

A switch device includes a contact member and a plunger that removably connects to the contact member. The contact member creates a first audible feedback sound in response to being placed in a first electrical state. Additionally, a switch device includes a compressible contact member including at least one removable electrical contact portion, and a movable member that removably connects to a center portion of the compressible contact member. The compressible contact member creates a first audible feedback sound in response to being placed in a compressed state by the moveable member and creates a second audible feedback sound in response to being uncompressed.