Patent ID: 7604158

Claim:
A multi-user mail box unit including at least one deposit opening, the mail box unit comprising: an interior including a plurality of individually accessible interior storage compartments; at least one general access door adapted to open and close in relation to the interior, the general access door including an inboard vertical frame member and an outboard vertical frame member; at least one removable letter drop assembly supported within the general access door between a first crossbar and a second crossbar, the first crossbar and a second crossbar being in spaced relation to one another and extending between the inboard vertical frame member and the outboard vertical frame member, the letter drop assembly including a body portion having a length dimension oriented transverse to the inboard vertical frame member and the outboard vertical frame member, the body portion including a slot defining the deposit opening, the body portion having a first open groove extending in the length dimension along an upper edge of the body portion, the first open groove being disposed in opposing relation to the first crossbar, the body portion having a second open groove extending in the length dimension along a lower edge of the body portion, the second open groove being disposed in opposing relation to the second crossbar; a displaceable first elongate pin element extending through a first access opening in the inboard vertical frame member and axially through the first open groove, the first elongate pin element including a first distal tip projecting into a first receiving opening within the outboard vertical frame member, the first elongate pin element being axially moveable within the first open groove, the first open groove adapted to block radial displacement of the first elongate pin element when the first elongate pin element is within the first open groove; and a displaceable second elongate pin element extending through a second access opening in the inboard vertical frame member and axially through the second open groove, the second elongate pin element including a second distal tip normally projecting into a second receiving opening within the outboard vertical frame member, the second elongate pin element being axially moveable within the second open groove, the second open groove adapted to block radial displacement of the second elongate pin element when the second elongate pin element is within the second open groove.