Patent ID: 6866309

Claim:
An auxiliary, sliding bolt, door latch assembly for attachment to the interior side of a personnel access door and door frame wherein said sliding bolt may be positioned to retain said door in a partially open position, said latch assembly comprising: a) a body member comprising: i) a rectangular block having depth, a front and rear face, a longitudinal bore having a central axis, and a channel having a radius equal to at least half the diameter of said bore and having a central axis perpendicular to and intersecting said bore located parallel to said front face and extending longitudinally from one end along the axis of said bore; ii) a means for securely mounting said body member to a structural wall located adjacent a hinged personnel access door opening; and iii) a machined cavity located within said rear face; b) a crank-shaped bolt member having at least one indenting notch thereon, slidably disposed within said longitudinal bore; c) a handle attached to one end of said bolt member; d) an indent biasing means for maintaining said bolt member in a plurality of positions relative to said body member; and e) a receiver member having a slotted portion for receiving a portion of said crank-shaped bolt member and fastening means for securing said receiver to a personnel access door adjacent said body member.