Latch mechanism including switch means

Claim 1

IN A LATCH AND SWITCH MECHANISM FOR A DOOR, A STRIKE FOR ATTACHMENT TO A DOOR AND MOVABLE THEREWITH, A HOUSING HAVING AN ORIFICE FOR THE PASSAGE OF SAID STRIKE, A BOLT PIVOTED TO SAID HOUSING FOR ENGAGEING AND LATCHING THE STRIKE, A BOLT ARM PIVOTED TO SAID HOUSING AND HAVING A PORTION EXTENDING IN ONE HORIZONTAL DIRECTION FOR MOVING THE BOLT, A SWITCH MOUNTED IN SAID HOUSING, MEANS EXTENDING IN THE OPPOSITE DIRECTION FOR ACTUATING SAID SWITCH, THE LAST MENTIONED MEANS COMPRISING A LEVER PIVOTED ON SAID HOUSING AND A SWITCH ARM PIVOTED TO SAID LEVER, SAID SWITCH ARM HAVING A PORTION FOR CONTACTING AN OPERATION ELEMENT OF SAID SWITCH AND A PORTION FOR CONTCATING SAID STRIKE, SO THAT SAID SWITCH ARM WILL OPERATE SAID SWITCH ONLY IF SAID LEVER IS ROCKED TO AN OPERATION POSITION, AND SAID SWITCH ARM IS IN CONTACT WITH SAID STRIKE, MOVABLE RELEASABLY MEANS MOUNTED ON SAID HOUSING FOR HOLDING SAID LEVER IN THE SWITCH OPERATING POSITION, AND A CONNECTION BETWEEN SAID RELEASABLY MEANS AND SAID BOLT ARM SUCH AS TO RELEASE SAID RELEASABLE MEANS WHEN SAID BOLT ARM IS MOVED.