Latch set

Claim 1

A LATCH SET COMPRISING, IN COMBINATION, A LATCH PLATE ADAPTED TO BE MOUNTED ON AN EDGE OF A DOOR AND HAVING OUTER AND INNER EDGES ADJACENT OUTER AND INNER FACES OF SAID DOOR, SAID PLATE HAVING A NOTCH THEREIN AND OPENING OUTWARDLY OF THE DOOR EDGE, A STOP SHOULDER IN THE PLATE WITHIN AND AT THE BOTTOM OF SAID NOTCH AND INCLINED TO FACE TOWARDS THE PLATE INNER EDGE, A SHORT KEEPER ADAPTED TO BE MOUNTED ON A DOOR JAMB OPPOSITE THE LATCH PLATE WHEN THE DOOR IS CLOSED, SAID KEEPER BEING NORMALLY BIASED OUTWARDLY OF THE JAMB AND HAVING AN OUTER EDGE FITTING IN SAID NOTCH AND INCLINED TO ENGAGE SAID INCLINED STOP SHOULDER AND BEARING AGAINST THE BOTTOM OF SAID NOTCH OF THE CLOSED DOOR TO KEEP THE LATTER CLOSED, SAID KEEPER HAVING AN INNER SURFACE NORMALLY INCLINED TO THE LATCH PLATE AND FACING THE OUTER EDGE OF SAID PLATE TO PRESENT AN INWARDLY-INCLINED SURFACE TOWARDS THE OUTER FACE OF THE DOOR WHEN THE LATTER IS CLOSED, A PIN SLIDABLY MOUNTED IN THE LATCH PLATE AND EXTENDING INWARDLY THREFROM RELATIVE TO THE DOOR, SAID PIN HAVING AN OUTER END NEAR THE STOP SHOULDER AND BEING ALIGNED WITH THE KEEPER IN ENGAGEMENT WITH SAID SHOULDER, AND KNOB MEANS AT THE OPPOSITE END OF THE PIN FOR MOVING SAID PIN OUTWARDLY TO DISENGAGE THE KEEPER FROM THE STOP SHOULDER.