Puzzle lock

Claim 1

A LOCK FOR USE IN COMBINATION WITH A SEPARATE DOOR LATCH, SAID LOCK COMPRISING A CONTROL DISC FORMED WITH A PLURALITY OF OPENINGS THERETHROUGH, SAID CONTROL DISC BEING MOUNTED ON THE INSIDE OF A DOOR TURNABLY ABOUT A TURNING AXIS AND BEING OPERATIVELY CONNECTED TO SAID DOOR LATCH; TURNING MEANS HAVING AN OPERATING PORTION AT THE OUTSIDE OF THE DOOR AND BEING SPACED FROM SAID OPERATING PORTION CONNECTED TO SAID CONTROL DISC FOR TURNING THE LATTER BETWEEN A FIRST POSITION IN WHICH SAID LATCH CONNECTED THERETO IS IN A LOCKING POSITION AND A SECOND POSITION IN WHICH SAID LATCH IS IN AN UNLOKED POSITION; A PLUALITY OF COOPERATOR MEMBERS MOUNTED ON THE INSIDE OF SAID DOOR MOVABLE BETWEEN A LOCKING POSITION IN WHICH END PORTIONS OF SAID COOPERATOR MEMBERS ARE RESPECTIVELY LOCATED IN SAID OPENINGS OF SAID CONTROL DISC SO AS TO PREVENT TURNING OF THE LATTER, AND A RELEASING POSITION; BIASING MEANS OPERATIVELY CONNECTED TO SAID COOPERATOR MEMBERS AND BIASED TO YIELDABLY MAINTAIN THE LATTER IN SAID LOCKING POSITION; A FIRST PLURALITY OF MOVABLE OPERATING MEMBERS HAVING OPERATING PORTIONS OUTSIDE OF THE DOOR AND BEING RESPECTIVELY COORDINATED WITH SAID COOPERATOR MEMBERS FOR MOVING, WHEN RESPECTIVELY ACTUATED, THE CO-OPERATOR MEMBER RESPECTIVELY COORDINATED THEREWITH FROM SAID LOCKING TO SAID RELEASING POSITION; A PLURALITY OF LOCKING MEANS RESPECTIVELY COOPERATING WITH SAID CO-OPERATOR MEMBERS FOR HOLDING THE LATTER IN SAID RELEASING POSITION; A SECOND PLURALITY OF MOVABLE OPERATING MEMBERS HAVING OPERATING PORTIONS OUTSIDE SAID DOOR; AND RESTORING MEANS COOPERATING WITH AND ACTUATED BY ANY OF SAID SECOND PLURALITY OF OPERATING MEMBERS FOR DISENGAGING SAID LOCKING MEANS FROM SAID COOPERATOR MEMBERS SO THAT THE LATTER WILL RETURN TO SAID LOCKING POSITION, WHEREBY SAID CONTROL DISC MAY BE TURNED TO MOVE SAID LATCH TO SAID UNLOCKED POSITION ONLY WHEN ALL OF SAID FIRST PLURALTIY OF OPERATING MEMBERS AND NONE OF SAID SECOND PLURALITY OF OPERATING MEMBERS ARE ACTUATED.