Article vending machine having rotary storage compartments

A merchandising machine made up of a plurality of generally vertical panels extending from adjacent to the top of the cabinet to a location adjacent to the cabinet delivery opening and each of which panels supports upper and lower generally circular merchandise supply carriers having a plurality of radially extending article storage compartments and each of which carriers is adapted to be driven in the course of a cycle of operation of the machine to position a compartment to deliver its article to an escrow assembly adapted to be actuated to deliver an article from a display surface positioned behind a window in the cabinet to the delivery mechanism at the delivery opening. Each carrier is provided with an ejector adapted to be moved into the compartment positioned adjacent to the escrow assembly positively to move an article from the compartment to the display surface. A lock is provided for locking the delivery door of the delivery mechanism closed during a cycle of operation of the machine.