Patent ID: 8910981
Filing Date: 2014-12-16
Classification: E05B,Y10T

Abstract:
1. A door latch mechanism comprising a pin having an elongate axis, and a releasable jaw mechanism comprising a pair of jaw elements which engage the pin therebetween to latch a door in a closed position to a door frame, wherein the jaw mechanism is mounted on the door or door frame and the pin is mounted on the other of the door or door frame with biasing means, the biasing means comprising a pair of springs, with a first spring of said pair of springs biasing the pin in a first direction and a second spring of said pair of springs biasing the pin in a second direction, with the second direction opposing the first direction, so as to allow the pin to move substantially linearly against the bias of either the first or the second spring in a direction which is both perpendicular to the elongate axis of the pin and substantially parallel to the plane of the door when in the closed position.