Latch bolt and keep assembly

Claim 1

The combination of a latch keep and latch bolt for use in retaining a door in a closed position, the latch bolt being attached to a door adjacent an edge of the door, and compRising: a housing, a slider contained in the housing, means locating the slider within the housing for axial movement and including means limiting the rotational movement of the slider, an end portion having a pair of generally inclined surfaces disposed symmetrically about the axis of the slider, each of these surfaces defining a plurality of similar steps each of which includes a step surface which is substantially parallel to the faces of the door and means biassing the slider towards a normal position such that on assembly the end portion projects beyond the edge of the door; and the latch keep being attached to a door frame and comprising a striker portion for deflecting the slider inwardly upon closing the door, and means defining a cavity which receives at least part of said end portion when the door is closed, said cavity defining means including a plurality of steps at a side of the cavity adjacent the striker portion, the steps defining step faces which with the door closed are substantially parallel to the door faces for selective face-to-face engagement with the step surfaces of one of the inclined surfaces to retain the door in a closed position, the pair of inclined surfaces permitting the combination to be attached either to a door opening to the left or to a door opening to the right.