Abstract: An electric locker apparatus to be installed at a public space, such as entrance hall of a condominium, includes a plurality of locker boxes of at least one type, each having a door with an electric lock device, and a sensor for detecting whether the relevant locker box is occupied by an article or empty. An improved locker box designating device serves to automatically designate an empty locker box of a desired type such that any one of the locker boxes of a same type, after it has been once used, can be designated only after subsequent one-round use of all remaining locker boxes of the same type. The lock device of the designated locker box is actuated to unlock the door, for allowing an article to be accommodated in the locker box. All the locker boxes of a same type are thus put into use with as uniform a frequency as possible.

Abstract: An electric locker apparatus with a plurality of locker boxes each having an electric lock device including a latch member normally maintained by a stopper member in a lock position in engagement with the door of the box, and biased toward an unlock position wherein the door can be opened, and an actuator responsive to electric command signal, with an output member movable into an operative position for allowing the latch member to be released from the stopper member and moved into the unlock position. The apparatus further includes an emergency unlocking device for forcibly moving the output member of the actuator into the operative position without requiring input of the command signal. The unlocking device has an emergent key cylinder into which an emergent key can be inserted from outside. The angular motion of the key is converted into a linear motion of the output member of the actuator toward the operative position.