Door latch mechanism

Claim 1

IN A LATCH MECHANISM FOR A SWINGING DOOR, A SUPPORT PLATE, PIVOTAL LATCH DEVICE MEANS MOUNTED ON SAID SUPPORT PLATE, DETENT MEANS PIVOTALLY MOUNTED ON SAID SUPPORT PLATE ENGAGEABLE WITH SAID LATCH DEVICE MEANS FOR HOLDING THE SAME IN DOOR LATCHING POSITION, OUTER MANUALLY OPERABLE MEANS INCLUDING A LEVER MOUNTED ON SAID SUPPORT PLATE, AN ELONGATED TRANSMITTING MEMBER, A FIRST PIN AND SLOT MEANS PIVOTALLY MOUNTING SAID TRANSMITTING MEMBER ON SAID SUPPORT PLATE FOR SWINGING MOVEMENT ABOUT A FIXED PIVOT AXIS DEFINED BY THE PIN OF SAID PIN AND SLOT MEANS, A SECOND PIN AND SLOT MEANS PIVOTALLY COUPLING SAID TRANSMITTING MEMBER TO SAID LEVER FOR SWINGING MOVEMENT OF SAID TRANSMITTING MEMBER BY SAID LEVER, SAID FIRST AND SECOND PIN AND SLOT MEANS PERMITTING SHIFTABLE MOVEMENT OF SAID TRANSMITTING MEMBER RADIALLY OF SAID FIXED PIVOT AXIS FROM A FIRST POSITION TO A SECOND POSITION, SAID TRANSMITTING MEMBER WHEN IN SAID FIRST POSITION HAVING A PART THEREOF IN ABUTTING RELATION TO PART OF SAID DETENT MEANS THROUGH WHICH SAID TRANSMITTING MEMBER UPON BEING SWUNG ABOUT SAID FIXED AXIS BY SAID LEVER IS OPERATIVE TO TRANSMIT MOVEMENT OF SAID OUTER MANUALLY OPERABLE MEANS TO SAID DETENT MEANS TO DISENGAGE THE LATTER FROM SAID LATCH DEVICE MEANS, SAID TRANSMITTING MEMBER PART IN THE SECOND POSITION OF SAID TRANSMITTING MEMBER BY PASSING SAID DETENT MEANS PART UPON SAID TRANSMITTING MEMBER BEING SWUNG ABOUT SAID FIXED PIVOT AXIS BY SAID LEVER, SAID TRANSMITTING MEMBER IN SAID SECOND POSITION THEREBY BEING RENDERED INEFFECTIVE TO TRANSMIT MOVEMENT OF THE OUTER MANUALLY OPERABLE MEANS TO SAID DETENT MEANS.