Pushbutton alternate action switch with a contact on the cam surface of the alternate action mechanism

Claim 1

A pushbutton switch comprising: a. a housing b. a guide track of the heart cam type with the bottom thereof having bevels and stops disposed inside said housing: c. electrically conductive material disposed on selected first and second sections of the bottom of said guide track, said first and second sections of conductive material being electrically insulated from each other and connected to first and second terminal means, respectively, for external electrical connection; d. a resilient member of electrically conductive material disposed inside said housing and connected to a third terminal means for external electrical connection; e. a reciprocative slider bar slidably mounted in and extending out of said housing carrying an electrically conductive contact means, one portion of said contact means slidably engaging said resilient member which urges another portion of said contact means into slidable engagement with the bottom of said guide track; and f. said contact means coacting with said resilient member and said guide track so that a changeover between a first electrical path from said first to said third terminal means and a second electrical path from said second to said third terminal means is effected only upon a release stroke of said slider bar.