Patent ID: 7747347

Claim:
A mobile medication apparatus, comprising: a mobile housing assembly; a plurality of tray members, supported in a vertical stack within the housing assembly, wherein the housing assembly substantially surrounds and is substantially separate from the tray members, all tray members mounted to be rotatable individually, separately from each other, about a single central support assembly which extends through all the tray members; a single lockable door in the housing assembly for revealing when opened a portion of all of the tray members at once; a locking assembly for locking and unlocking the tray members individually; a plurality of compartment members, individually openable, positionable on the individual tray members and rotatable therewith; a central drive assembly, including a motor, for engaging and rotating each tray member individually; and a control system, including a stored program, for providing authorized use of the medication apparatus, for identifying and accessing a selected compartment member, located on a particular tray member, into and from which medications are stored and retrieved, for unlocking the particular tray member containing the selected compartment member, for energizing the drive assembly for the particular tray member to move the tray member to a position in which the selected compartment member is presented to the door, for locking the tray member in said position and for subsequently unlocking the door, thereby making the selected compartment member available to a user, wherein the tray members and/or the compartment members thereon are arranged and configured such that the selected compartment member is the only compartment member available to the user that has medications therein when the door is opened, wherein the tray members other than the particular tray member are in a home position, without any compartments thereon containing medications being available.