Patent ID: 7743930

Claim:
A system for storing articles in a movable disposition for selective presentation to a user, comprising: a plurality of shelf members each comprising a support surface for supporting the articles; first and second guide tracks for guiding movement of each of the shelf members along a predetermined path, wherein the guide tracks are adapted to receive respective first and second sets of guide pins connected to respective first and second sides of each of the shelf members, the guide pins spinning freely and running in the guide tracks during the movement of the shelf members; drive means for driving the plurality of shelf members along the predetermined path; and a plurality of connecting levers each connected to the drive means and each pivotally connected to one of the shelf members for maintaining the support surface in a horizontal position as the shelf member travels along the predetermined path; wherein the drive means is selectively actuated to advance the shelf members to present a selected article to the user at an access height along the predetermined path.