Combined lock and switch

Claim 1

IN A LOCK DEVICE OF THE TYPE COMPRISING A AIR OF COOPERATING LOCKING ASSEMBLIES, ONE OF WHICH CAN BE MOUNTED IN A DOOR, AT ONE EDGE THEREOF, AND THE OTHER OF WHICH CAN BE MOUNTED IN FIXED STRUCTURE THAT IS ADJACENT TO SAID EDGE OF THE DOOR WHEN THE LATTER IS CLOSED, ONE OF SAID ASSEMBLIES COMPRISING A BOLT-LIKE MEMBER AND THE OTHER OF SAID ASSEMBLIES COMPRISING A BASE AND A KEEPER MEMBER ON THE BASER ENGAGEABLE BY THE BOLT-LIKE MEMBER TO HOLD THE DOOR LOCKED, AND ONE OF SAID MEMBERS BEING RELEASABLE FOR MOVEMENT OUT OF ENGAGEMENT WITH THE OTHER TO UNLOCK THE DOOR, MEANS FOR SIGNALLING WHETHER OR NOT TO SAID MEMBERS ARE ENGAGED TO LOCK THE DOOR, SAID MEANS COMPRISING: A. A CONTROL MEMBER FIXED ON SAID BASE AND HAVING AN ACTUATOR MOVABLE TO OFF AND ON POSITIONS; B. A DRIVER HAVING AN ABUTMENT PORTION THEREOF, SAID DRIVER BEING MOUNTED ON THE BASE FOR MOTION IN OPPOSITE DIRECTIONS BETWEEN A PROJECTED POSITION IN WHICH THE ABUTMENT PORTION PROTRUDES THROUGH A LATERAL SLOT IN THE KEEPER MEMBER FOR ENGAGEMENT BY THE BOLT-LIKE MEMBER AND A RETRACTED POSITION TO WHICH THE DRIVER CAN BE PROPELLED BY THE BOLT-LIKE MEMBER WHEN THE LATTER IS LOCKINGLY ENGAGED WITH THE KEEPER; C. MEANS BIASING THE DRIVER TOWARD ITS PROJECTED POSITION; AND D. MEANS PROVIDING A MOTION TRANSMITTING CONNECTION BETWEEN THE DRIVER AND THE ACTUATOR OF THE CONTROL MEMBER WHEREBY MOTION OF THE DRIVER FROM ONE OF ITS POSITIONS TO THE OTHER EFFECTS CORRESPONDING MOVEMENT OF THE ACTUATOR FROM ONE TO THE OTHER OF ITS POSITIONS, SAID MOTION TRANSMITTING MEANS COMPRISIN A SPRING ARM (1) HAVING ONE END SECURED TO THE BASE, (2) HAVING A PORTION SPACED FROM ITS SECUREMENT TO THE BASE CONNECTED WITH THE ACTUATOR OF THE CONTROL MEMBER, AND (3) HAVING ANOTHER PORTION SPACED FROM SAID FIRST NAMED PORTION AND FROM ITS SECUREMENT TO THE BASE ENGAGED WITH THE DRIVER, SAID SPRING ARM BEING FLEXIBLE TO ACCOMMODATE OVERTRAVEL OF THE DRIVER RELATIVE TO THE ACTUATOR OF THE CONTROL MEMBER.