| 摘要 |
A disc-shaped object storage and retrieval mechanism uses storage grooves corresponding to the radius of a disc-shaped object, such as an audio or photo compact disc or video disc, and a curvilinear track with a curve determined by the diameter of the disc-shaped object, to move the disc-shaped object from a storage position to a transport position by a single roller. The mechanism has a disc-shaped object storage structure in the form of a magazine and a movable picker assembly having a picker arm with a curvilinear track that receives an edge of a disc-shaped object and supports the disc-shaped object along this edge. The movable picker assembly has a picker wheel that is movable into engagement with an edge of the disc-shaped object. Accordingly, when the picker wheel turns the disc-shaped object, it drives the disc-shaped object into or out of the disc-shaped object storage magazine. The moveable picker assembly is vertically driven to position the picker arm adjacent to a disc-shaped object location in the disc-shaped object storage magazine where a disc-shaped object is to be retrieved or stored.
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