Electric door-operated switch assembly

Claim 1

A SWITCH ASSEMBLY COMPRISING, IN COMBINATION: AN ELONGATED BODY MEMBER HAVING A LONGITUDINAL BORE THERETHROUGH, MEANS FOR CONNECTING SAID BODY MEMBER TO AN OPENING IN A FRAME MEMBER SO AS TO PROVIDE AN ELECTRICAL CONNECTION BETWEEN SAID BODY MEMBER AND SAID FRAME MEMBER, ELECTRICAL CONTACT MEANS DEFINED ON THE REAR END OF SAID BODY MEMBER, PLUNGER MEANS RECIPROCABLY SUPPORTED IN SAID LONGITUDINAL BORE AND ADAPTED TO EXTEND FROM EACH END OF SAID BODY MEMBER, AN INSULATOR AFFIXED TO THE REAR END OF SAID PLUNGER MEANS FOR MOVEMENT THEREWITH, A PAIR OF ELECTRICAL CONTACTS SECURED TO SAID INSULATOR AND ADAPTED TO BE CARRIED THEREON INTO AND OUT OF ENGAGEMENT WITH SAID ELECTRICAL CONTACT MEANS UPON RECIPROCATION OF SAID PLUNGER MEANS, AND MEANS FOR BIASING SAID PLUNGER MEANS TOWARD A POSITION ENGAGING SAID ELECTRICAL CONTACTS WITH SAID ELECTRICAL CONTACT MEANS TO GROUND THE CONTACTS TO THE FRAME MEMBER, SAID INSULATOR HAVING A PAIR OF OPENINGS THERETHROUGH, EACH OF SAID ELECTRICAL CONTACTS BEING SECURED WITHIN AN OPENING AND EXTENDING THERETHROUGH FROM REAR TO FRONT FOR MAKING ELECTRICAL CONTACT WITH SAID ELECTRICAL CONTACT MEANS.